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An over view of the National Street Gazetteer

15th March 2006

London HAUC Expo

Nick TurnerNational Street Gazetteer CustodianIntelligent Addressing Ltdnickt@thensg.org.uk

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Candidate BLPUs and other LPG, SG issues

Candidate BLPUs and

other LPG, SG issues

Daily update

Local Land and Property Gazetteer and Local Street Gazetteer to level 1

USRN and UPRN

USRN and UPRN

Daily

update

USRN with Level 1 Street Gazetteer data.

New or changed properties

New or changed properties and streets (Type 1)

New or changed streets (Type 2 or 3)

Daily update

Users and Statutory Users

National Land and Property Gazetteer

National Street Gazetteer

Gazetteer Function

LLPG and Local Street Gazetteer (level 1)

UPRN and USRN allocation

Highways Function

Associated Street Data and Local Street Gazetteer

(level 3)

Development Control / Street Naming and Numbering functions

Other internal property data sources e.g. Council Tax and Electoral Roll.

Local Street Gazetteer to level 1 or 3 and Associated

Street Data

Quarterly update

Other Local Authority Functions Eg CRM

Streets Validated against NLPG

Rejected Gazetteer or

Exceptions

Rejections & Exceptions to be resolved with LLPG functions

Exceptions to be resolved

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• NSG created as the framework for street works and associated notices

• Commonly regarded as definitive national street gazetteer, but historically may not include all streets – for example private roads

• Based on BS7666 but with inclusion of additional records types

• NSG web site run on behalf of IDEA since 1999 by the Ordnance Survey

History of the NSG

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• Data collected and supplied to NSG hub by Highway Authorities (172 in England and Wales)

• Access to data restricted to DfT approved list of Statutory Undertakers

• Intelligent Addressing took over from previous concessionaire in November 2005 under the terms of the Mapping Services Agreement (MSA)

• Obliged to use new URL and redesign site from scratch• Decision made to only allow data to be loaded and

downloaded via website

The NSG website (1)

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• Centralised validation plus help desk to assist in submission

• Under the MSA rules– One username per contributing authority authorised by ALO / LSG

Custodian– No access to non contributing (non highway) authorities– Access to download files for all contributing authorities Bulk

England and Wales files created• Tighter control of access for statutory undertakers

The NSG website (2)

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• Compliance checks (i.e. validation)• Streets• ASD• NLPG / NSG comparison• Co-ordinate accuracy

• Self certification• Report by e-mail• Follow up phone call

The NSG website (3)

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• November 2005 / February 2006 statistics• Previously approx 50 (max 71 September)• 109 November• 140 February• 172 (100%) in May?

• MSA Improvement Schedules• Authorities committed to Level 3 in October• Monthly submissions

Statistics / MSA

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• BS7666• Language• Logical status• Removal of alias• Removal of version number

• Traffic Management Act• Codes of practice

Future Developments

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Questions?