Islands Address

The OS National Geographic Database (NGD) Islands Address Collection is a complete, analytical and authoritative addressing dataset for Northern Ireland, the Channel Islands and the Isle of Man. It is designed to provide a detailed view of an address and its lifecycle.

Collection applications

The OS NGD Islands Address Collection allows you to:

  • Keep your address data current with up to daily updates.

  • Utilise the richness of additional attribution about each address and analyse addresses by their classification, postal status and build status to create a detailed picture of a given area.

  • Carry out spatial analysis and aggregation using the accurate rooftop coordinates provided for each address.

  • Easily identify and download addresses by pre-build, built and historic lifecycle stages.

  • Use the Unique Property Reference Number (UPRN) to easily link different data sets right down to a single address.

Key elements

  • Up to daily updates to data.

  • New simplified data model means there’s no need to be an addressing expert to use the data.

  • Plug and play – the data is simple and quick to implement as you don't need to pre-process it before you use it.

  • Rich attribution ensures the data is straightforward to navigate and query.

  • Persistent unique identifiers with lifecycle information.

  • The ability to select addresses from a specific lifecycle state (for example, Built Address and Pre-Build Address).

  • Full UK address coverage available via accessing the OS NGD GB Address and Islands Address Collections together.

  • New cross-references make it easy for you to link data in this collection with data from other OS NGD collections.


Northern Ireland, the Channel Islands, and the Isle of Man.

Default coordinate reference system

European Terrestrial Reference System 89 (EPSG: ETRS89).

Temporal filtering

The earliest date on which you can request a one-off snapshot of a date in the past for data in this collection is noted at the top of the individual feature type pages.

Supply formats

GeoPackage or CSV (comma-separated values).

Supply mechanism

Accessed through the OSβ€―Data Hub via OS Select+Build. It can't be accessed through OS NGD API – Features or OS NGD API – Tiles.

Using our data

  • Included in the Public Sector Geospatial Agreement (PSGA) – therefore, it's free at point of use for Public Sector organisations.

  • Available to OS Partners for commercial resell in your solutions.

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