NLPG Features

Aside from its accuracy and frequency of available updates, the NLPG contains a host of features to make it stand out from the crowd. Because local authorities have address requirements well beyond postal deliveries, they store large amounts of data alongside the postal address.

In addition to the collation of non-addressable objects such as unused land, car parks and telecommunication masts, they maintain property classifications, geographic coordinates, alternative addresses and much more, all of which is available to the user of the NLPG.

Examples of the NLPG features include:

A consistent format underpinned by BS7666 (2006)
Unique and persistent identifiers for land and property - the UPRN (Unique Property Reference Number)
Change only updates each working day
Mailing and geographic addresses
Sub-divisions of addressable objects, for example flats and units within residential and commercial / industrial premises, buildings on educational and hospital campuses
Non-postally addressed objects such as war memorials, radio masts, advertising hoardings, car parks, public buildings such as halls, recreation facilities, industrial units, open spaces such as parks and allotments, places of worship, public conveniences, utility sites, mines and quarries.
Multiple address references for each property including:

• Official address

•  Alternative addresses
•  Historic addresses
•  Proposed addresses
•  Proposed developments

Classifications for each address including commercial, residential, land, military or objects of interest
Dual language records for Wales (Welsh and English)
Geographical references to enable entities to be linked to topographic and digital mapping, and to aerial imagery
Delivery of change intelligence to the address base across England and Wales
Provides ‘Street BLPU’ records – where road traffic accidents, anti-social disturbances might occur
Facilitates partnership working with local councils and the emergency services who are already widely using NLPG data
Feedback facility to the NLPG hub on address variations and additions to be considered for inclusion in the NLPG.

The Nine Cs of the NLPG

Currency – it comes directly from local government, the legal and authoritative source of new addresses

Completeness – local government has a duty to provide services to 100% of its citizens, and therefore has to have confidence in a rigorous process which guarantees that its activities have comprehensive underpinning data

Comprehensive – provides non-postally addressable objects and multiple address references

Connectivity – the use of the UPRN as the key identifier for a property enables systems to share information about the same entities without the need to match multiple datasets and hold multiway cross references

Consistency – the only address dataset compliant with BS7666 Part 2 and underpinned by data entry conventions mandated for use under Local Government’s Mapping Services Agreement (MSA) with each local authority in England and Wales

Change only updates – the NLPG offers updates at the user’s convenience, from daily, weekly, monthly or even yearly

Custodians – over 750 local authority staff are continually updating their local records and have a sense of ‘ownership’ of the data

Candidates - NLPG users in the emergency services and national parks have a system by which they can inform the local custodians of any changes in the NLPG, which adds another layer of accuracy

Central hub – managed by Intelligent Addressing, providing expertise and robustness in the management and verification of the data

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