Concerto Ethelred tower blocks - low carbon refurbishment Challenges and successes Jon Lissimore...

Concerto

Ethelred tower blocks - low carbon refurbishment Challenges and successes

Jon Lissimore Environment Manager

Council policy - promote sustainable design and construction

Design for energy efficiency -reducing C02 & fuel poverty

Promote use of environmentally friendly materials -reducing pollution and environmental damage

Require sustainable accredited timber -avoids deforestation / loss of biodiversity, etc

Ethelred tower blocks• Ward, Brittany and

Elkington • Required major

improvements• Decent homes work

needed

Ethelred’s problems

• Spalling concrete• Ineffective heating and ventilation • Generic heating and hot water

charge for residents but high energy costs for Lambeth as landlord

• Socio-economic study May 2009:– 53% of respondents suffered

condensation– 38% could not keep their homes

comfortably warm due to draughty windows.

Funding

• Lambeth had prior experience of carbon reduction projects

• Positive track record on sustainability helped us secure additional funding– Government Office London £6.8m

Sustainable design and construction

Holles house refurbishment- proven 50% energy use reduction via a range of sustainability measures

Sustainable legal timber

Fairfax House – the first construction project in Britain to be independently certified by the Forest Stewardship Council for its use of sustainable timber.

Boatemah Walk

Before…

After!

Ethelred tower block refurbishment

• New double glazed windows• Insulated external cladding• 63KWp Solar PV• New Communal boilers• CHP plant (310KWe)• New wet radiators with room

thermostats and heating

programmers

Green roofsSedum roofs • Promoting Biodiversity• Reducing storm water run- off• Improving air quality• Insulation / cooling benefits

Challenges

• PV system output

• Cladding - delays

Challenges

Working with residents in occupation

Successes

• Significantly improved conditions for residents

• 80% CO2 reduction in landlords footprint

• Reduced energy costs for residents and Lambeth• Blocks renewed to give a minimum 30 years of further life

The new look towers

Thank you