# Addresses and Names Portfolio

## Addresses and names products

This portfolio provides authoritative and accurate address data for Great Britain and lists of named features and places as identifiers for real-world locations. Access a comprehensive register of all property addresses (including their UPRNs, locations, function and key characteristics), geographic place names and a gazetteer designed for Emergency Services. 

Addresses and names products support everything from property, logistics and planning to public service delivery and geocoding.

The following downloadable products are available within the Addresses and Names Portfolio:

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h3>AddressBase</h3></td><td>Access to a current view of all Royal Mail Postcode Address File (PAF) addresses with additional location-based data featuring residential or commercial classifications.</td><td><em>N.B. This product will become <strong>End of Life on 29 November 2027</strong> and will be withdrawn.</em></td><td data-object-fit="cover" data-alt="Example image showing AddressBase product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FYzlZQa6hF4ACsmB4TrB4%2Faddressbase.xeaf23c9e.webp?alt=media&#x26;token=f796d27f-e2bc-4927-b06d-50177b61acc8">addressbase.xeaf23c9e.webp</a></td><td><a href="addresses-and-names-portfolio/addressbase">addressbase</a></td></tr><tr><td><h3>AddressBase Core</h3></td><td>Access to over 33 million addresses sourced from Local Authority data and supplied with a Unique Property Reference Number (UPRN) and property-level coordinates.</td><td></td><td data-object-fit="cover" data-alt="Example image showing AddressBase Core product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FzHxBEHBSZemNhjsr5lcD%2FABCore_Cover.webp?alt=media&#x26;token=ba571c25-439c-4db4-80f1-5dbee5952a8f">ABCore_Cover.webp</a></td><td><a href="addresses-and-names-portfolio/addressbase-core">addressbase-core</a></td></tr><tr><td><h3>AddressBase Plus</h3></td><td>Access to over 37 million postal and non-postal addresses sourced from Local Authorities, Ordnance Survey and Royal Mail for England, Wales and Scotland.</td><td><em>N.B. This product will become <strong>End of Life on 29 November 2027</strong> and will be withdrawn.</em></td><td data-object-fit="cover" data-alt="Example image showing AddressBase Plus product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FoiES71ay5eXnRD554s7K%2FAddressBase-Plus-1.png?alt=media&#x26;token=5d16f459-1644-49f4-bc7c-103c251bdf17">AddressBase-Plus-1.png</a></td><td><a href="addresses-and-names-portfolio/addressbase-plus">addressbase-plus</a></td></tr><tr><td><h3>AddressBase Plus Islands</h3></td><td>An addressing gazetteer offering full lifecycle information of a property for Northern Ireland, Isle of Man and the Channel Islands.</td><td><em>N.B. This product will become <strong>End of Life on 29 November 2027</strong> and will be withdrawn.</em></td><td data-object-fit="cover" data-alt="Example image showing AddressBase Plus Islands product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FvtegALy4RxhDAw2ldiTt%2FAddressBase-Islands-1.png?alt=media&#x26;token=7723f624-46e2-45ef-a597-7da2d5e69ff1">AddressBase-Islands-1.png</a></td><td><a href="addresses-and-names-portfolio/addressbase-plus-islands">addressbase-plus-islands</a></td></tr><tr><td><h3>AddressBase Premium</h3></td><td>Provides the most detailed view available of an address and its lifecycle from creation through to retirement in England, Wales and Scotland.</td><td></td><td data-object-fit="cover" data-alt="Example image showing AddressBase Premium product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FQuEuFTFkpm4JrqoKy2e9%2FAddressBase-Premium-3.png?alt=media&#x26;token=00b82abb-8149-475c-b190-e6515f273b0f">AddressBase-Premium-3.png</a></td><td><a href="addresses-and-names-portfolio/addressbase-premium">addressbase-premium</a></td></tr><tr><td><h3>AddressBase Premium Islands</h3></td><td>Provides the most detailed view of an address and its lifecycle for Northern Ireland, Channel Islands and the Isle of Man. </td><td></td><td data-object-fit="cover" data-alt="Example image showing AddressBase Premium Islands product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FuFoWllcPxFA8kfGtG8cg%2FAddressBase-Premium-3.png?alt=media&#x26;token=2e50a57c-01ed-4672-8781-83d4d44278f7">AddressBase-Premium-3.png</a></td><td><a href="addresses-and-names-portfolio/addressbase-premium-islands">addressbase-premium-islands</a></td></tr><tr><td><h3>Code-Point</h3></td><td>A postcode locator that locates over 1.7 million postcode units in Great Britain and Northern Ireland – providing information about delivery points, positional quality, type and district codes amongst other data points.</td><td></td><td data-object-fit="cover" data-alt="Example image showing Code-Point product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FZkpZwEKiV0b3QAcv2rR0%2FCode-Point-4.png?alt=media&#x26;token=b982d13f-ecd8-4ad4-920b-36e6164f103b">Code-Point-4.png</a></td><td><a href="areas-and-zones-portfolio/code-point">code-point</a></td></tr><tr><td><h3>Code-Point Open</h3></td><td>An open dataset of all 1.7 million postcode units in Great Britain.</td><td></td><td data-object-fit="cover" data-alt="Example image showing Code-Point Open product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2Fdeirn0CBM2uasdfC4MLr%2FCodepoint-Open-5.png?alt=media&#x26;token=6611da8c-a25f-49f0-af9c-92994131b577">Codepoint-Open-5.png</a></td><td><a href="areas-and-zones-portfolio/code-point-open">code-point-open</a></td></tr><tr><td><h3>Code-Point with Polygons</h3></td><td>A dataset providing the notional extent of every postcode in Great Britain for visualisation and analysis at a national scale.</td><td></td><td data-object-fit="cover" data-alt="Example image showing Code-Point with Polygons product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FzIDQ0Ab7SzhHhaRehUiT%2FCode-Point-Polygons-4.png?alt=media&#x26;token=0c698d9d-c76e-40bf-8dd8-cd82a3d966ad">Code-Point-Polygons-4.png</a></td><td><a href="areas-and-zones-portfolio/code-point-with-polygons">code-point-with-polygons</a></td></tr><tr><td><h3>OS Emergency Services Gazetteer (OS ESG)</h3></td><td>Provides a national, consistent, and maintained view of the locations of names, places and objects in Great Britain to support the Emergency Services.</td><td></td><td data-object-fit="cover" data-alt="Example image showing OS ESG product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FY2Zn9pW6JvSW8scjBpay%2FESGCoverImage.avif?alt=media&#x26;token=f1038c5d-6d46-47c7-b0d0-225b2f05211e">ESGCoverImage.avif</a></td><td><a href="addresses-and-names-portfolio/os-emergency-services-gazetteer">os-emergency-services-gazetteer</a></td></tr><tr><td><h3>OS Open Names</h3></td><td>A comprehensive open dataset of place names, road numbers and postcodes for Great Britain.</td><td></td><td data-object-fit="cover" data-alt="Example image showing OS Open Names product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FN4MmqmCBT1cnmt15WR5N%2FOS_OpenNames_Cover.webp?alt=media&#x26;token=ecbb5a14-9fdd-42c9-8b3b-ba1d66504b3b">OS_OpenNames_Cover.webp</a></td><td><a href="addresses-and-names-portfolio/os-open-names">os-open-names</a></td></tr><tr><td><h3>OS Open UPRN</h3></td><td>An open dataset enabling linking, sharing and visualisation of data related to Unique Property Reference Numbers (UPRNs).</td><td></td><td data-object-fit="cover" data-alt="Example image showing OS Open UPRN product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FUE7Vn7zIxQljRvmIi0Ne%2Fopen_uprn_residential.png?alt=media&#x26;token=58a7d2b7-c0b0-402d-8548-b3e2bf0a0e41">open_uprn_residential.png</a></td><td><a href="addresses-and-names-portfolio/os-open-uprn">os-open-uprn</a></td></tr><tr><td><h3>Points of Interest</h3></td><td>Provides a comprehensive location-based directory of all public and privately owned businesses, educational institutions and leisure services in Great Britain.</td><td></td><td data-object-fit="cover" data-alt="Example image showing Points of Interest product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FIV8GMgJeHzwbmvPjdnUn%2FPoints-of-Interest-1.png?alt=media&#x26;token=27cbb11b-fb65-43fe-92a5-50a039561277">Points-of-Interest-1.png</a></td><td><a href="addresses-and-names-portfolio/points-of-interest">points-of-interest</a></td></tr></tbody></table>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.