ENERGY STATEMENT · BICKLEIGH DOWN ECO-VILLAGE, LAND OFF TOWERFIELD DRIVE, PLYMOUTH ENERGY STATEMENT 1 REVISION HISTORY Revision Issue Date Description Issued By Checked By A 15/02/2017

Bickleigh Down, Eco Village, Land off Towerfield Drive, Plymouth

On behalf of ZeroC

Revision C

Date: 16th March 2017

Energy Statement

BICKLEIGH DOWN ECO-VILLAGE, LAND OFF TOWERFIELD DRIVE, PLYMOUTH ENERGY STATEMENT

1

REVISION HISTORY

Revision Issue Date Description Issued By Checked By

A 15/02/2017 Original Document NS SJC

B 13/03/2017 Revision B NS JP

C 16/03/2017 Revision C NS SJC

This report has been produced by Energist UK Ltd for the private use of the client and solely

in relation to the named project. It should neither be reproduced in part nor in whole nor

distributed to third parties, without the express written permission of both Energist UK LTD

and the Client.

Calculations contained within this report have been produced based on information supplied

by the Client and the design team. Any alterations to the technical specification on which this

report is based will invalidate its findings.

Energist College Farm Tetbury Road Cirencester GL7 6PY Tel: 08458 386 387 [email protected] www.energistuk.co.uk


2

CONTENTS

1. EXECUTIVE SUMMARY ................................................................................................................... 3

2. INTRODUCTION ............................................................................................................................... 8

3. BASELINE ENERGY DEMAND ....................................................................................................... 10

4. FABRIC-FIRST APPROACH - REDUCED ENERGY DEMAND ......................................................... 12

5. LOW-CARBON AND RENEWABLE ENERGY ..................................................................................... 15

6. ACHIEVING ZERO CARBON ON THE ECO-VILLAGE SHOW HOME .................................................. 17

7. CONCLUSIONS .................................................................................................................................. 18

8. APPENDICES ................................................................................................................................... 21

APPENDIX 1: LIST OF ABBREVIATIONS ................................................................................................ 21

APPENDIX 2: PLANNING POLICY AND DESIGN GUIDANCE ................................................................. 22

APPENDIX 3: SAP DATA. ..................................................................................................................... 24

APPENDIX 4: PV ALLOCATION. ............................................................................................................ 26

APPENDIX 5: ZERO CARBON REPORT – SHOW HOME ....................................................................... 28


3

1. EXECUTIVE SUMMARY

1.1 Purpose of the Statement

This Energy Statement has been produced by Energist UK on behalf of ZeroC (‘the

Applicant’).

It will set out the measures designed by the Applicant to achieve CO2 reductions at

the development site: Bickleigh Down Eco-Village, on Land off Towerfield Drive,

Plymouth (‘the Development’) and will demonstrate compliance with:

i) National Planning Policy Framework.

ii) Approved Document Part L of the Building Regulations 2013.

iii) The energy standard for the development scheme written in the planning agreement

(as amended) between the Applicant and Plymouth City Council for planning

applications 14/00223/FUL and 12/01504/FUL and as follows:

Clause 4.1(a) of the “agreement” shall be amended to read as follows “Before

commencement of development the Applicant shall provide evidence to the Council to demonstrate that all the dwelling houses will achieve a minimum of a 100% reduction in the dwelling emissions rate/target emissions rate(DER/TER) when compared to the Building Regulations, and all of the houses will be Zero Carbon, for the regulated emissions. This reduction will be achieved in accordance with the proposals in the Zero C sustainability statement and the Zero C data sheets dated the…………….

Clause 4.1(b) of the “agreement” shall be amended to read as follows “The first show home will achieve a minimum of a 100% reduction in the DER/TER when compared to the Building Regulations, and will be Zero Carbon for the regulated and unregulated emissions. This reduction will be achieved in accordance with the proposals in the ZeroC sustainability statement, and the ZeroC data sheet dated the………Upon completion of the first dwelling house the Applicant shall carry out a post construction assessment to verify this by a qualified assessor. The Applicant will send a copy of the assessment to the Council within 14 days of the Applicant receiving it. Upon receipt, the Council shall confirm in writing whether or not the first dwelling house meets the DER/TER for regulated and unregulated supply (such confirmation by the Council shall not be unreasonably withheld or delayed) For the avoidance of doubt the Applicant shall not be required to carry out any further assessments other than set out in Clause….…. in relation to the standards of construction of the dwelling houses.

A new clause numbered 4.1c shall be incorporated within the “agreement” and will

read as follows “Before commencement of the development the Applicant shall provide evidence to the Council to demonstrate that all the dwelling houses shall be designed so that they are capable of being future proofed, to upgrade to achieve a minimum of a 100% reduction in the DER/TER when compared to the Building Regulations, to be Zero Carbon for the unregulated, as well as the regulated emissions, through the use of additional solar photovoltaic panels or equivalent.


4

A new clause numbered 4.1(d) shall be incorporated within the “agreement” and will read as follows “the Applicant shall provide marketing information to all buyers of the dwelling houses that they are capable of achieving a minimum of a 100% reduction in the DER/TER when compared to the Building Regulations to be Zero Carbon for the unregulated, as well as regulated emissions and can be upgraded to this standard from day one, for an additional cost should the Purchaser opt for this. Prior to commencement of development the Applicant shall provide evidence to the Council of the marketing information.

The Energy Statement reviews and updates the pre-approved design specification for

the Development and confirms that the energy standard required by Plymouth City

Council can be achieved on-site and across all Phases of the Scheme.

1.2 Impact of the Adopted Energy Strategy

This report concludes that the following combination of measures, summarised below

in Table 1, will be incorporated by the Application and will successfully demonstrate

how the energy standard will be delivered at Bickleigh Down Eco-Village.

Table 1: Measures incorporated to deliver the energy standard.

Fabric first:

Demand-reduction

measures

High standards of sustainable and energy-efficient

building fabric and insulation to all heat loss floors,

walls and roofs including timber-framed walls.

High-efficiency triple-glazed windows throughout.

Quality of build will be confirmed by achieving good

air-tightness results throughout.

Efficient-building services including high-efficiency gas

boilers and ventilation systems (Mechanical

Ventilation and Heat Recovery)

Low-energy lighting throughout the building.

Renewable and

low-carbon energy

technologies

A total of 329 kWp of Solar PV across the site, based

on either a southerly, south-westerly or south-easterly

orientation at a 20-degree tilt. This is equivalent to a

site-wide area of approximately 2,139–2,632 sqm of

Solar PV.

The impact of these design measures in terms of how the Applicant is predicted to

deliver the energy standard is illustrated in Figure 1 overleaf.


5

Figure 1: How the Development meets the energy standard.

The calculated reduction in regulated CO2 emissions and the percentage reduction

over ADL 2013 for all dwellings at Bickleigh Down Eco-Village is set out in Table 2.

Table 2: Regulated CO2 emissions and percentage reduction over ADL 2013.

Regulated CO2 emissions

Kg/CO2 per

annum

% reduction

Target Emission Rate: Compliant with ADL

2013

180,343

-

Fabric first: Demand-reduction measures

145,505

19.32%

Low-carbon and renewable energy

-4,645

83.26%

Total savings

184,989

102.58%

It is concluded in this Energy Statement that the design approach now adopted by

the Applicant achieves an enhanced standard when compared to the pre-approved

approach set out in the ZeroC Sustainability Statement.

180,343

145,505

-4,645

-25,000

25,000

75,000

125,000

175,000

225,000

Target Emission Rate Fabric-First Approach Low-Carbon & RenewableEnergy

Kg

CO

2 p

er a

nn

um


6

1.3 Impact of the Pre-Approved Energy Strategy

The original ZeroC specification incorporated a Nilan Air Source Heat Pump and

Mechanical Ventilation and Heat Recovery System with Solar PV.

For the purposes of comparison, the ZeroC design measures have been modelled as

a reference for how the Applicant would have achieved the energy standard and via

the pre-approved approach.

The calculated reduction in regulated CO2 emissions using the ZeroC specification is

illustrated in Figure 2 below and in Table 3 overleaf.

On review, it can be demonstrated that similar carbon reduction levels can be

achieved through the use of gas-fired heating systems, in lieu of the Nilan system.

On this basis, the Applicant wishes to proceed with a gas-fired heating system. This

energy assessment now demonstrates how this approach is in full compliance with

the requirements of the section 106 agreement.

Figure 2: How the Development would have met the energy standard with the ZeroC

specification.

20,795 20,737

0

5,000

10,000

15,000

20,000

25,000


Kg

CO

2 p

er a

nn

um


7

Table 3: Regulated CO2 emissions and percentage reduction over ADL 2013.


Kg/CO2 per

annum

% reduction


2013

20,795

-


20,737

0.28%


-1,154

105.26%

Total savings

21,949

105.55%


8

2. INTRODUCTION

2.1 Site Description

This Energy Statement has been prepared in support of the Bickleigh Eco-Village on

Land Off Towerfield Drive, Plymouth. This falls under the jurisdiction of Plymouth City

Council.

This Energy Statement relates to the following, approved development proposals: 12/01504/FUL: Full planning permission for a maximum 91 residential Code 6 dwellings with an overall gross internal floor area of 12,520 m2 (Class C3); a 672 m2 assembly area with covered arcade (Class B1) to be used for flexible Class A3/A4/B1/D1 use on completion of development ((Blocks A & B); 117 m2 of flexible Class A3/A4/B1/D1 use (Block C); 368 m2 of Class B1/live-work accommodation fronting Tavistock Road together with associated carparking, community green open space and landscaping, village square and new vehicular access off Woolwell Crescent and Towerfield Drive.

14/00223/FUL: Erection of 11 houses on the western part of the larger site granted planning permission including up to 91 dwellings and the erection of employment live-work units, parking and access under references 12/01504/FUL and 14/00135/FUL. The proposal replaces 7 approved houses but will not increase the total of the larger site.

Map 1: Site layout for Bickleigh Down, Plymouth.

Source: ZedFactory 15/06/2016


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2.2 Purpose of the Energy Statement

This Statement sets out how the Applicant intends to meet:

i) National Planning Policy Framework.

ii) Approved Document Part L of the Building Regulations 2013.

iii) The energy standard for the development scheme written in the planning

agreement (as amended) between the Applicant and Plymouth City Council for

planning applications 14/00223/FUL and 12/01504/FUL.

For an overview of the planning policy requirements specific to this development,

refer to Appendix 2.

The way in which the Applicant meets the energy standard at Bickleigh Down Eco-

Village, Plymouth, will be set out in this Statement as follows:

Baseline energy demand: The Development’s Target Emission Rate (TER) will

be calculated to establish the minimum on-site standard for compliance with ADL

2013.

Fabric first – reduced energy demand: The Development’s Dwelling Emission

Rate (DER) will be calculated to explain how the Applicant’s design specification

will lead to a reduced energy demand and an improved fabric energy efficiency.

The better the design of the building fabric in terms of, for example, insulation, air

tightness and orientation to maximise solar gain, the less energy required to heat

the dwelling and so the better the fabric energy efficiency.

Low-carbon and renewable energy: Low-carbon and renewable energy

technologies are described for the development with the resulting savings in

regulated CO2 emissions.

2.3 Methods

Energist UK has used SAP 2012 methodology to calculate energy demand for 93 of

the 100 new dwellings within the Bickleigh Down Eco-Village. Until plans for Block C

are available for assessing, data from seven Block D apartments has been

extrapolated to provide a more accurate set of results.

This data provides the Applicant with the regulated CO2 emission rates and energy

demand for all dwellings included in the development proposals.


10

3. BASELINE ENERGY DEMAND

3.1 Introduction

In order to measure the effectiveness of demand-reduction measures, it is first

necessary to calculate the baseline energy demand and this has been done using

SAP 2012 methodology. This can also be referred to as the Target Emission Rate

(TER.)

The resulting ADL 2013 TER for Bickleigh Down Eco-Village, Plymouth, has been

calculated using Part L model designs which have been applied to the Applicant’s

Development details. The TER, or baseline energy demand, represents the

maximum regulated CO2 emissions that are permitted for the Development in order to

comply with ADL 2013.

3.2 The Development Baseline

The resulting TER, representing the total maximum CO2 emissions permitted for the

Development, has been calculated as 180,343 Kg/CO2 per annum. To ensure

compliance with ADL 2013, regulated CO2 emissions should not exceed this figure.

The baseline design specification is referred to in Table 4.


11

Table 4. Baseline design specification.

Element Baseline Design Specification

Ground Floor U-Value (W/m2.K) 0.13

External Wall U-Value (W/m2.K) 0.18

Party Wall U-Value (W/m2.K) 0 (fully filled and sealed)

Roof – insulated at ceiling U-Value (W/m2.K) 0.13

Roof – insulated at slope U-Value (W/m2.K) 0.13

Roof – flat, U-Value (W/m2.K)

0.13

Glazing U-Value, including frame (W/m2.K)

1.4

Door U-Value (W/m2.K)

1.2

Design Air Permeability

5

Space Heating

Mains Gas

Heating Controls

Heating System Controls

Domestic Hot Water

Mains Gas

Ventilation

Natural ventilation with intermittent extract fans

Low Energy Lighting

100%

Thermal Bridging

Appendix R values


12

4. FABRIC-FIRST APPROACH - REDUCED ENERGY DEMAND

4.1 Introduction

Many Local Planning Authorities are now recognising the benefits of a fabric-first

approach, where the lifetime energy consumption of a building takes precedence over

the use of bolt-on renewable energy technologies.

It is clear that the fabric-first approach can create buildings with a very comfortable living

and working environment. The internal temperature is consistent and fuel bills are kept

to a minimum. One key advantage of a fabric-first approach is that it does not require

changes to the behavioural patterns of the occupants and, as such, a building designed

using a fabric-first approach will often perform more effectively once completed than a

building that incorporates a low-carbon or renewable-energy technology that requires

behavioural change (e.g. solar thermal). This becomes an increasingly important

consideration as energy costs rise and the issue of fuel poverty becomes commonplace.

Energist UK has considered a fabric-first approach as the priority solution for this

Development.

4.2 The Development - Reduced Energy Demand

The Applicant will integrate the following sustainable design measures to reduce

energy demand:

High standards of sustainable and energy-efficient building fabric and

insulation to all heat loss floors, walls and roofs including timber-framed walls.


Quality of build will be confirmed by achieving good air-tightness results

throughout.

Efficient-building services including high-efficiency heating and ventilation

systems (Mechanical Ventilation and Heat Recovery)


The Applicant’s design specification and intended demand-reduction measures for

the Development have been modelled using the same SAP 2012 methodology as

before. This allows us to assess the effectiveness of demand-reduction measures as

a percentage reduction in CO2 emissions over the Baseline.

The regulated CO2 emissions all new dwellings within the Bickleigh Down Eco-

Village, Plymouth, is 145,505 Kg/CO2 per annum, which is a reduction of 19.32% or

34,838 Kg/CO2 per annum over the Baseline. Refer to Appendix 3 for the SAP Data

and Table 5 for the fabric-first design specification.


13

Table 5. The fabric-first design specification at Bickleigh Down Eco-Village, Plymouth.

Element Fabric-First

Design Specification

Ground Floor U-Value (W/m2.K) 0.15

(Suspended concrete floor, carpeted)

External Wall U-Value (W/m2.K) 0.14

(Timber-framed wall with single

plasterboard)

Party Wall U-Value (W/m2.K) 0 (fully filled and sealed)

Roof, Insulated at Pitch, U-Value (W/m2.K) 0.15

Glazing U-Value – including Frame (W/m2.K)

1.4 (triple-glazed)

Rooflights U-Value – including Frame (W/m2.K)

1.4 (triple-glazed)

Door U-Value (W/m2.K)

1.2

Design Air Permeability

3.0

Space Heating

Mains Gas Boilers: Vaillant ecoTEC plus 624 H System A

(89.4% efficiency)

Heating Controls

Time and temperature zone controls

Domestic Hot Water

Mains Gas Heating System

Ventilation

System 4: Mechanical Ventilation and Heat Recovery (Vent Axia Ltd)

Low Energy Lighting

100%

Thermal Bridging

ACDs


14

4.3 Conclusion

By incorporating high standards of sustainable design and demand reduction

measures at Bickleigh Down Eco-Village, the Applicant reduces regulated CO2

emissions by 19.32% over the Baseline for ADL 2013. This is illustrated in Table 6

and in Figure 3 below.

Table 6: The Regulated CO2-emissions baseline and fabric-first, demand-reduction

measures.


Kg/CO2 per

annum

% reduction


2013

180,343

-


145,505

19.32%

Figure 3: Baseline and fabric-first regulated CO2-emissions summary.

180,343

145,505

0

20,000

40,000

60,000

80,000

100,000

120,000

140,000

160,000

180,000

200,000

Target Emission Rate Fabric-First Approach

Kg

CO

2p

er a

nu

m


15

5. LOW-CARBON AND RENEWABLE ENERGY

5.1 Introduction

The Applicant adopts a fabric-first approach as the priority solution for this Development

and steps have been taken to reduce energy demand through high-quality sustainable

design. The planned integration of efficient building fabric and building services has

been modelled and is predicted to lead to a considerable enhancement over Part L of

the Building Regulations 2013.

The Applicant’s preferred approach is to then incorporate renewable energy to ensure a

sustainable, energy supply to the site. Solar PV has been selected at Bickleigh Down

Eco-Village and will successfully implement the full requirement for a 100% reduction in

regulated CO2 emissions over AD L 2013.

5.2 Solar PV

The ability to generate energy (electricity) through harnessing

natural solar energy. This includes the use of solar

photovoltaic (PV) panels. PV panels, similarly to turbines, can

be considered both on and offsite.

Solar Photovoltaics convert solar radiation into electricity

which can be used on site or exported to the national grid.

Installation

considerations

Operate most efficiently on a south-facing sloping roof

(between 30 and 45-degree pitch.)

Shading must be minimal (one shaded panel can impact

the output of the rest of the array.)

Panels must not be laid horizontally on a flat roof as they

will not self-clean. Panels will therefore need to be

installed at an angle and with appropriate space between

them, to avoid over-shading.

Large arrays may require upgrades to substations if

exporting electricity to the grid.

Local planning requirements may restrict installation of

panels on certain elevations.

Installation must take into account pitch and fall of the roof,

along with any additional plant on the roof to ensure there

is sufficient room.

The average domestic solar PV system is 4kWp and costs

£5,000 - £8,000 (including VAT at 5 per cent) - (taken from

the Energy Saving Trust, TBC by supplier.)


16

Advantages

Relatively straightforward installation, connection to

landlord’s supply and metering.

Linear improvement in performance as more panels are

installed.

Maintenance free.

Installation costs are continually reducing.

Can benefit from the Feed in Tariff to improve financial

payback.

Disadvantages

Not appropriate for high-rise developments, due to lack of

roof space in relation to total floor area, though this is not

an issue at Bickleigh Down.

Development

feasibility

The suitability of Solar PV has been considered for this

Development and is concluded as a technically-viable

option.

There are areas of roof space suitable for the positioning

of unshaded Solar PV arrays.

The Development is not on land which is protected or

listed, so it is considered that Solar panels would not

have a negative impact on the local historical

environment or the aesthetics of the area.

The occupants may be entitled to claim the Feed-In-

Tariff for any energy which is generated.

The commercial viability of Solar PV has been

considered by the Applicant and is concluded a

beneficial, economical investment.

A total of 329 kWp of Solar PV is to be installed on

unshaded and well-orientated roofs across the site,

based on either a southerly, south-westerly or south-

easterly orientation at a 20-degree tilt. This is equivalent

to a site-wide area of approximately 2,139–2,632 sqm of

Solar PV. For a plot-by-plot PV allocation, refer to the PV

allocation in Appendix 4.


17

6. ACHIEVING ZERO CARBON ON THE ECO-VILLAGE SHOW HOME

6.1 Introduction

Plymouth City Council require the Applicant to confirm their Energy Strategy

demonstrating compliance with:

“The first show home will achieve a minimum of a 100% reduction in the DER/TER

when compared to the Building Regulations, and will be Zero Carbon for the

regulated and unregulated emissions.

6.2 Measures for Compliance

The Applicant will achieve further reductions over the baseline for the Eco-Village Show

Home by increasing the Solar PV specification. By incorporating 9.75 kWp of Solar PV,

in a southerly orientation and at a 20-degree pitch, the Show Home will achieve a 100%

reduction in both regulated and unregulated CO2 emissions over AD L 2013 and will

successfully implement the full LPA requirement.

Refer to Appendix 5 for a report confirming a 100% reduction in DER/TER in both

regulated and unregulated energy for the Show Home.

If there is a market requirement from home buyers requesting an equivalent-standard

property to the Eco-Village Show Home, then there is the potential to increase the Solar

PV specification and further reduce on-site CO2 emissions. The viability of progressing

onto a standard of 100% reduction in both regulated and unregulated CO2 emissions

over AD L 2013 has been assessed for each plot at Bickleigh Down Eco-Village and a

Solar PV specification calculated accordingly and as part of the energy assessment.

Refer to Appendix 4 for reference to the PV allocation by plot, uplifting the on-site

energy standard from a 100% reduction in regulated CO2 emissions to a 100%

reduction in both regulated and unregulated CO2 emissions over AD L 2013.


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7. CONCLUSIONS

The Applicant demonstrates commitment to delivering the energy standard at

Bickleigh Down Eco-Village, Plymouth, as follows:

The Development will generate a total reduction in regulated CO2 emissions of

102.58% over the TER ADL 2013 which meets the requirement:

Before commencement of development the Applicant shall provide evidence to

the Council to demonstrate that all the dwelling houses will achieve a minimum of

a 100% reduction in the dwelling emissions rate/target emissions rate (DER/TER)

when compared to the Building Regulations.

This energy standard is delivered through high standards of sustainable design,

through passive and active design measures. Renewable energy is also

incorporated to provide a sustainable, energy supply across the Scheme.

The Applicant provides confirmation that they will achieve an energy standard in

the Eco-Village Show Home that is equivalent to a 100% reduction in both

regulated and unregulated CO2 emissions over the TER ADL 2013. Furthermore,

it can be concluded that there is further potential to uplift the current Solar PV

specification in new dwellings across the Scheme and if potential home-buyers

were to request this option.

A combination of demand-reduction measures, energy-efficiency measures and

renewable energy will deliver the Applicant’s target for on-site reduction in regulated

CO2 emissions.

Design measures, summarised overleaf in Table 7, are incorporated in the

Development.


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Table 7. Measures incorporated to deliver the energy standard.

Fabric first:

Demand-reduction

measures

High standards of sustainable and energy-efficient

building fabric and insulation to all heat loss floors,

walls and roofs including timber-framed walls.


Quality of build will be confirmed by achieving good

air-tightness results throughout.

Efficient-building services including high-efficiency gas

boilers and ventilation systems (Mechanical

Ventilation and Heat Recovery)


Renewable and

low-carbon energy

technologies

A total of 329 kWp of Solar PV across the site, based

on either a southerly, south-westerly or south-easterly

orientation at a 20-degree tilt. This is equivalent to a

site-wide area of approximately 2,139–2,632 sqm of

Solar PV.

The way in which these design measures deliver the Applicant’s commitment to the

energy standard is illustrated in Figure 4 below and Table 8 overleaf.

Figure 4: How the Development delivers the energy standard.

180,343

145,505

-4,645

-25,000

25,000

75,000

125,000

175,000

225,000


Kg

CO

2p

er a

nn

um


20

Table 8: How the Development reduces regulated CO2 emissions.


Kg/CO2 per

annum

% reduction


2013

180,343

-


145,505

19.32%


-4,645

83.26%

Total savings

184,989

102.58%


21

8. APPENDICES

APPENDIX 1: LIST OF ABBREVIATIONS

ADL 2013 Approved Document Part L of Buildings Regulations 2013

ASHP Air Source Heat Pump

CHP Combined Heat & Power

DER Dwelling Emission Rate

DHN District Heat Network

DHW Domestic Hot Water

ESCO Energy Services Company

GSHP Ground Source Heat Pump

LPA Local Planning Authority

PV Photovoltaics

SAP Standard Assessment Procedure

TER Target Emission Rate


22

APPENDIX 2: PLANNING POLICY AND DESIGN GUIDANCE

The Climate Change Act (2008)

Passed in November 2008, the Climate Change Act mandated that the UK would reduce

emissions of six key greenhouse gases, including Carbon Dioxide, by 80% by 2050.

As a consequence, the reduction of carbon dioxide emissions is at the forefront of

National, Regional and Local Planning Policy, along with continuing step changes in

performance introduced by the Building Regulations Approved Document L (2013).

Approved Document L (2013)

This development is subject to the requirements of Approved Document L (2013). ADL

2013 represented an approximate reduction of 6% in the Target Emission Rate

(Kg/CO2/sqm per annum) over the requirements of Approved Document L (2010) for

residential development and an aggregate 9% reduction for non-residential development.

ADL (2013) also sees the introduction of a Fabric Energy Efficiency Target, a measure of

heating demand (kW hrs/sqm per annum) to ensure new-build dwellings with low-carbon

heating systems still meet satisfactory energy-efficiency standards.

National Policy

The National Planning Policy Framework encourages Local Planning Authorities to “Have

a positive strategy to promote energy from renewable and low-carbon sources” (NPPF

paragraph 97), whilst “Ensuring that the adverse impacts are addressed satisfactorily,

including cumulative landscape and visual impacts”. This suggests that although LPAs

should encourage renewable technology, the merits of such should be assessed on a site-

by-site basis.

The NPPF also requires that policy-making and planning obligations do not threaten the viability of a development, by maintaining competitive returns for developers and landowners alike. In this respect flexibility is encouraged by LPAs to ensure sustainability standards can be met without incurring unreasonable development costs.

The Housing Standards Review and implications on Local Planning Policy

On March 25th 2015 the Government confirmed its policy to limit energy-efficiency targets

that can be imposed on a development as a result of the Housing Standards Review. New

developments should not be conditioned to achieve a reduction in Carbon Emissions


23

exceeding a 19% improvement over the requirements of Approved Document L (2013) –

the equivalent energy performance of a Code for Sustainable Homes Level 4 dwelling.

In addition the Government confirmed that the Code for Sustainable Homes is no longer

an applicable standard for planning permissions granted on or after March 26th 2015. If a

Local Planning Authority has an existing policy requirement for the CSH it may still

condition the Ene 1 and Wat 1 requirements for CSH Level 4, but cannot require

assessment against the remaining categories and full CSH Certification.

Sites with planning permission granted prior to March 25th 2015 can still be assessed and

certified against the Code for Sustainable Homes, where there is a requirement to do so

(known as legacy sites).

A CSH requirement can also apply where a previously approved Outline Planning

Permission has been granted prior to March 25th 2015.


24

APPENDIX 3: SAP DATA.

Dwelling TypeNo. Of HT on

siteFloor Area

Target

Emissions

(TER)

Fabric-First

Approach

(DER)

Low-Carbon

& Renewable

Energy (DER)

Total Target

Emissions

Fabric-First

Approach

Low-Carbon

& Renewable

Energy

Plot 001 1 162 15.11 11.81 -0.64 2,447.82 1,913.22 103.68-

Plot 002 1 162 14.84 11.61 -0.84 2,404.08 1,880.82 136.08-

Plot 003 1 162 14.73 11.5 -0.26 2,386.26 1,863.00 42.12-

Plot 004 1 162 14.84 11.61 -0.15 2,404.08 1,880.82 24.30-

Plot 005 1 162 14.73 11.5 -0.26 2,386.26 1,863.00 42.12-

Plot 006 1 162 14.73 11.5 -0.26 2,386.26 1,863.00 42.12-

Plot 007 1 162 14.84 11.61 -0.15 2,404.08 1,880.82 24.30-

Plot 008 1 162 14.73 11.5 -0.26 2,386.26 1,863.00 42.12-

Plot 009 1 162 14.73 11.5 -0.26 2,386.26 1,863.00 42.12-

Plot 010 1 162 14.73 11.5 -0.26 2,386.26 1,863.00 42.12-

Plot 011 1 162 14.73 11.5 -0.26 2,386.26 1,863.00 42.12-

Plot 012 1 162 14.71 11.55 -0.21 2,383.02 1,871.10 34.02-

Plot 013 1 74.2 19.34 16.02 -0.59 1,435.03 1,188.68 43.78-

Plot 014 1 74.2 17.93 14.85 -0.25 1,330.41 1,101.87 18.55-

Plot 015 1 74.2 19.73 16.44 -0.18 1,463.97 1,219.85 13.36-

Plot 016 1 99.2 16.42 13.29 -0.26 1,628.86 1,318.37 25.79-

Plot 017 1 99.2 14.92 12.05 -0.38 1,480.06 1,195.36 37.70-

Plot 018 1 99.2 16.44 13.41 -0.14 1,630.85 1,330.27 13.89-

Plot 019 1 99.2 16.42 13.29 -0.26 1,628.86 1,318.37 25.79-

Plot 020 1 99.2 14.92 12.05 -0.38 1,480.06 1,195.36 37.70-

Plot 021 1 99.2 16.56 13.54 -0.02 1,642.75 1,343.17 1.98-

Plot 022 1 162 14.78 11.56 -0.2 2,394.36 1,872.72 32.40-

Plot 023 1 162 14.82 11.59 -0.17 2,400.84 1,877.58 27.54-

Plot 024 1 94.2 17.47 14.5 -0.24 1,645.67 1,365.90 22.61-

Plot 025 1 94.2 16 13.23 -0.38 1,507.20 1,246.27 35.80-

Plot 026 1 94.2 16.12 13.36 -0.25 1,518.50 1,258.51 23.55-

Plot 027 1 94.2 16.12 13.36 -0.25 1,518.50 1,258.51 23.55-

Plot 028 1 94.2 16 13.23 -0.38 1,507.20 1,246.27 35.80-

Plot 029 1 94.2 16.38 13.54 -0.07 1,543.00 1,275.47 6.59-

Plot 030 1 103.5 16.17 13.39 -0.03 1,673.60 1,385.87 3.11-

Plot 031 1 103.5 15.28 12.76 -0.66 1,581.48 1,320.66 68.31-

Plot 032 1 103.5 16.99 14.23 -0.22 1,758.47 1,472.81 22.77-

Plot 033 1 93.4 19.01 15.52 -0.49 1,775.53 1,449.57 45.77-

Plot 034 1 139.5 14.95 11.86 -0.39 2,085.53 1,654.47 54.41-

Plot 035 1 139.5 13.78 10.84 -0.65 1,922.31 1,512.18 90.68-

Plot 036 1 139.5 13.78 10.84 -0.65 1,922.31 1,512.18 90.68-

Plot 037 1 139.5 14.83 11.73 -0.52 2,068.79 1,636.34 72.54-

Plot 038 1 99.2 17.21 13.94 -0.06 1,707.23 1,382.85 5.95-

Plot 039 1 99.2 15.92 12.89 -0.03 1,579.26 1,278.69 2.98-

Plot 040 1 99.2 15.92 12.89 -0.03 1,579.26 1,278.69 2.98-

Plot 041 1 99.2 15.92 12.89 -0.03 1,579.26 1,278.69 2.98-

Plot 042 1 99.2 16.04 13.03 -0.97 1,591.17 1,292.58 96.22-

Plot 043 1 99.2 16.04 13.03 -0.97 1,591.17 1,292.58 96.22-

Plot 044 1 99.2 17.25 14.08 -1 1,711.20 1,396.74 99.20-

Plot 045 1 161.7 14.12 11.08 -0.15 2,283.20 1,791.64 24.26-


25

Plot 046 1 93.4 18.47 15.16 -0.44 1,725.10 1,415.94 41.10-

Plot 047 1 162 14.71 11.48 -0.39 2,383.02 1,859.76 63.18-

Plot 048 1 162 14.82 11.59 -0.28 2,400.84 1,877.58 45.36-

Plot 049 1 162 14.82 11.59 -0.28 2,400.84 1,877.58 45.36-

Plot 050 1 162 14.82 11.59 -0.28 2,400.84 1,877.58 45.36-

Plot 051 1 162 14.82 11.59 -0.28 2,400.84 1,877.58 45.36-

Plot 052 1 162 14.82 11.59 -0.28 2,400.84 1,877.58 45.36-

Plot 053 1 162 14.82 11.59 -0.28 2,400.84 1,877.58 45.36-

Plot 054 1 162 14.82 11.59 -0.28 2,400.84 1,877.58 45.36-

Plot 055 1 162 14.94 11.7 -0.17 2,420.28 1,895.40 27.54-

Plot 056 1 140.7 15.95 12.89 -0.78 2,244.17 1,813.62 109.75-

Plot 057 1 140.7 15.82 12.77 -0.89 2,225.87 1,796.74 125.22-

Plot 058 1 140.7 15.82 12.77 -0.14 2,225.87 1,796.74 19.70-

Plot 059 1 140.7 15.82 12.77 -0.14 2,225.87 1,796.74 19.70-

Plot 060 1 140.7 15.82 12.77 -0.14 2,225.87 1,796.74 19.70-

Plot 061 1 162 14.93 11.66 -0.21 2,418.66 1,888.92 34.02-

Plot 062 1 162 14.93 11.66 -0.21 2,418.66 1,888.92 34.02-

Plot 063 1 162 14.93 11.66 -0.21 2,418.66 1,888.92 34.02-

Plot 064 1 162 14.84 11.63 -0.24 2,404.08 1,884.06 38.88-

Plot 065 1 93.4 19.01 15.52 -0.49 1,775.53 1,449.57 45.77-

Plot 066 1 161.7 14.06 11.09 -0.14 2,273.50 1,793.25 22.64-

Plot 067 1 139.5 14.89 11.75 -0.5 2,077.16 1,639.13 69.75-

Plot 068 1 139.5 13.96 10.99 -0.5 1,947.42 1,533.11 69.75-

Plot 069 1 139.5 13.96 10.99 -0.5 1,947.42 1,533.11 69.75-

Plot 070 1 139.5 15.01 11.88 -0.37 2,093.90 1,657.26 51.62-

Plot 072 1 103.5 15.28 12.68 -0.74 1,581.48 1,312.38 76.59-

Plot 072 1 103.5 15.01 12.53 -0.89 1,553.54 1,296.86 92.12-

Plot 073 1 103.5 15.55 12.94 -0.48 1,609.43 1,339.29 49.68-

Plot 074 1 94.2 16.03 13.25 -0.36 1,510.03 1,248.15 33.91-

Plot 075 1 94.2 15.77 13.07 -0.54 1,485.53 1,231.19 50.87-

Plot 076 1 94.2 15.91 13.19 -0.41 1,498.72 1,242.50 38.62-

Plot 077 1 94.2 16.08 13.32 -0.29 1,514.74 1,254.74 27.32-

Plot 078 1 74.8 17.78 14.72 -0.99 1,329.94 1,101.06 74.05-

Plot 079 1 74.2 20.45 17.4 -0.72 1,517.39 1,291.08 53.42-

Plot 080 1 74.2 19.41 16.18 -0.43 1,440.22 1,200.56 31.91-

Plot 081 1 74.2 17.78 14.72 -0.38 1,319.28 1,092.22 28.20-

Plot 082 1 74.2 17.93 14.85 -0.25 1,330.41 1,101.87 18.55-

Plot 083 1 74.2 17.93 14.85 -0.25 1,330.41 1,101.87 18.55-

Plot 084 1 74.2 17.78 14.72 -0.38 1,319.28 1,092.22 28.20-

Plot 085 1 74.2 19.41 16.18 -0.43 1,440.22 1,200.56 31.91-

Plot 093 2 58.4 20.73 17.32 -1.44 2,421.26 2,022.98 168.19-

Plot 094 2 56.1 20.41 17.85 -1.19 2,290.00 2,002.77 133.52-

Plot 095 2 58.4 19.74 16.02 -0.45 2,305.63 1,871.14 52.56-

Plot 096 2 58.4 17.84 15.09 -1.38 2,083.71 1,762.51 161.18-

Plot 097 2 47.1 20.68 18.97 -1.44 1,948.06 1,786.97 135.65-

Plot 098 2 58.4 17.81 15.02 -1.44 2,080.21 1,754.34 168.19-

Plot 099 2 78.6 18.09 15.73 -0.58 2,843.75 2,472.76 91.18-

Plot 100 1 78.6 18.07 15.74 -0.57 1,420.30 1,237.16 44.80-

- - -

Total Plots 100 Total Site Wide CO2 180,343 145,505 -4,645

Reductions 19.32% 102.58%

19.32% 83.26%


26

APPENDIX 4: PV ALLOCATION.

Dwelling TypeNo. Of HT on

siteFloor Area

PV by plot to

achieve 100%

reduction in

regulated CO2 emissions

PV by plot to

achieve 100%

reduction in

regulated &

unregulated

CO2 emissions

PV uplift

required

Plot 001 1 162 4.5 9.25 4.75

Plot 002 1 162 4.5 9.25 4.75

Plot 003 1 162 4.25 9.00 4.75

Plot 004 1 162 4.25 9.25 5.00

Plot 005 1 162 4.25 9.00 4.75

Plot 006 1 162 4.25 9.00 4.75

Plot 007 1 162 4.25 9.00 4.75

Plot 008 1 162 4.25 9.00 4.75

Plot 009 1 162 4.25 9.00 4.75

Plot 010 1 162 4.25 9.00 4.75

Plot 011 1 162 4.25 9.00 4.75

Plot 012 1 162 4.25 9.00 4.75

Plot 013 1 74.2 2.75 6.00 3.25

Plot 014 1 74.2 2.50 6.00 3.50

Plot 015 1 74.2 2.75 6.00 3.25

Plot 016 1 99.2 3.00 6.75 3.75

Plot 017 1 99.2 2.75 6.50 3.75

Plot 018 1 99.2 3.00 6.75 3.75

Plot 019 1 99.2 3.00 6.75 3.75

Plot 020 1 99.2 2.75 6.50 3.75

Plot 021 1 99.2 3.00 7.00 4.00

Plot 022 1 162 4.25 9.00 4.75

Plot 023 1 162 4.25 9.25 5.00

Plot 024 1 94.2 3.25 7.50 4.25

Plot 025 1 94.2 3.00 7.00 4.00

Plot 026 1 94.2 3.00 7.00 4.00

Plot 027 1 94.2 3.00 7.00 4.00

Plot 028 1 94.2 3.00 7.00 4.00

Plot 029 1 94.2 3.00 7.00 4.00

Plot 030 1 103.5 3.25 7.50 4.25

Plot 031 1 103.5 3.25 7.50 4.25

Plot 032 1 103.5 3.50 7.50 4.00

Plot 033 1 93.4 3.50 7.50 4.00

Plot 034 1 139.5 4.00 9.00 5.00

Plot 035 1 139.5 3.75 9.50 5.75

Plot 036 1 139.5 3.75 9.50 5.75

Plot 037 1 139.5 4.00 8.75 4.75

Plot 038 1 99.2 3.25 7.25 4.00

Plot 039 1 99.2 3.00 7.00 4.00

Plot 040 1 99.2 3.00 7.00 4.00

Plot 041 1 99.2 3.00 7.00 4.00

Plot 042 1 99.2 3.25 7.00 3.75

Plot 043 1 99.2 3.25 7.00 3.75

Plot 044 1 99.2 3.50 7.25 3.75

Plot 045 1 161.7 4.25 9.25 5.00


27

Plot 046 1 93.4 3.25 7.00 3.75

Plot 047 1 162 4.50 9.50 5.00

Plot 048 1 162 4.50 9.50 5.00

Plot 049 1 162 4.50 9.50 5.00

Plot 050 1 162 4.50 9.50 5.00

Plot 051 1 162 4.50 9.50 5.00

Plot 052 1 162 4.50 9.50 5.00

Plot 053 1 162 4.50 9.50 5.00

Plot 054 1 162 4.50 9.50 5.00

Plot 055 1 162 4.50 9.50 5.00

Plot 056 1 140.7 4.50 9.50 5.00

Plot 057 1 140.7 4.50 9.50 5.00

Plot 058 1 140.7 4.25 9.50 5.25

Plot 059 1 140.7 4.25 9.25 5.00

Plot 060 1 140.7 4.25 9.25 5.00

Plot 061 1 162 4.50 9.50 5.00

Plot 062 1 162 4.50 9.50 5.00

Plot 063 1 162 4.50 9.50 5.00

Plot 064 1 162 4.50 9.50 5.00

Plot 065 1 93.4 3.50 7.50 4.00

Plot 066 1 161.7 4.25 9.25 5.00

Plot 067 1 139.5 4.00 9.00 5.00

Plot 068 1 139.5 3.75 8.50 4.75

Plot 069 1 139.5 3.75 8.50 4.75

Plot 070 1 139.5 4.00 8.75 4.75

Plot 072 1 103.5 3.25 7.50 4.25

Plot 072 1 103.5 3.25 7.25 4.00

Plot 073 1 103.5 3.25 7.25 4.00

Plot 074 1 94.2 3.00 7.00 4.00

Plot 075 1 94.2 3.00 7.00 4.00

Plot 076 1 94.2 3.00 7.00 4.00

Plot 077 1 94.2 3.00 7.00 4.00

Plot 078 1 74.8 2.75 6.25 3.50

Plot 079 1 74.2 3.00 6.00 3.00

Plot 080 1 74.2 2.75 6.00 3.25

Plot 081 1 74.2 2.50 6.00 3.50

Plot 082 1 74.2 2.50 6.00 3.50

Plot 083 1 74.2 2.50 6.00 3.50

Plot 084 1 74.2 2.50 6.00 3.50

Plot 085 1 74.2 2.75 6.00 3.25

Plot 093 2 58.4 2.50 5.00 2.50

Plot 094 2 56.1 2.50 5.00 2.50

Plot 095 2 58.4 2.25 5.00 2.75

Plot 096 2 58.4 2.25 5.00 2.75

Plot 097 2 47.1 2.25 5.00 2.75

Plot 098 2 58.4 2.25 5.00 2.75

Plot 099 2 78.6 3.00 6.75 3.75

Plot 100 1 78.6 3.00 6.75 3.75


28

APPENDIX 5: ZERO CARBON REPORT – SHOW HOME

Documents

ENERGY STATEMENT · BICKLEIGH DOWN ECO-VILLAGE, LAND OFF TOWERFIELD DRIVE, PLYMOUTH ENERGY STATEMENT 1 REVISION HISTORY Revision Issue Date Description Issued By Checked By A 15/02/2017