Directory

This file contains the digital vector boundaries for built up areas in England and Wales as at 2024. The built up area boundaries are generalised and created using an automated approach based on a...

This file contains the digital vector boundaries for Wards, in the United Kingdom, as at December 2025.The boundaries available are: (BFC) Full resolution - clipped to the coastline (Mean High...

This file contains the National Statistics UPRN Lookup (NSUL) for Great Britain as at October 2025. The NSUL relates the Unique Property Reference Number (UPRN) for each GB address from...

This is a lookup file between electoral wards/divisions and local authority districts in the United Kingdom as at 7th May 2026. (File Size - 1.2 MB)Field Names - WD26CD, WD26NM, WD26NMW, LAD26CD,...

This file contains the digital vector boundaries for Combined Authorities, in England, as at May 2025.The boundaries available are: (BFE) Full resolution - extent of the realm (usually this is the...

This file contains the digital vector boundaries for County Electoral Division, in England, as at May 2024.The boundaries available are: (BFE) Full resolution - extent of the realm (usually this...

This file contains the digital vector boundaries for Local Authority Districts, in the United Kingdom, as at May 2025.The boundaries available are: (BUC) Ultra generalised (500m) - clipped to the...

This file contains the digital vector boundaries for Cancer Alliances, in England, as at April 2024.The boundaries available are: (BFE) Full resolution - extent of the realm (usually this is the...

This file contains the digital vector boundaries for National Assembly for Wales Electoral Regions in Wales, as at December 2021. The boundaries available are:   (BGC) Generalised (20m) - clipped...

This file contains the digital vector boundaries for Cancer Alliances, in England, as at April 2024.The boundaries available are: (BFC) Full resolution - clipped to the coastline (Mean High Water...

This file contains the digital vector boundaries for Counties and Unitary Authorities, in the United Kingdom, as at December 2025.The boundaries available are: (BUC) Ultra generalised (500m) -...

This file contains the National Statistics Postcode Lookup (NSPL) for the United Kingdom as at February 2025 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. To download the zip...

In 2022 DAERA contracted Tetra Tech to provide a report on a high level assessment of historic land uses in NI that may have resulted in mercury contamination.  EU Regulation 2017/852  requires...

This document is the Standard Area Measurements (2023) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of measurement; data tolerance,...

This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

This User Guide contains information about the ONSPD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

This User Guide contains information about the NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...