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National Statistics Postcode Lookup (August 2025) User Guide

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...

National Statistics UPRN Lookup (November 2025) (Epoch 122) User Guide

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...

National Statistics Postcode Lookup (November 2025) User Guide

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...

National Statistics UPRN Lookup (December 2025) (Epoch 123) User Guide

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...

ONS UPRN Directory (December 2025) (Epoch 123) User Guide

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...

National Statistics Postcode Lookup (February 2026) User Guide

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...

ONS Postcode Directory (February 2026) User Guide

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...

Mercury Q&A Document Annex C

A set of Q&As to accompany the Mercury Potential Report and associated feature layer and dataset. The aim of this is to attempt to answer some of the most common or likely queries or concerns...

Register of Geographic Codes (June 2026) for the UK

The Register of Geographic Codes (RGC) is a key product that contains the definitive list of UK statistical geographies. ONS maintains the definitive set of statistical geographies, coordinates the...

National Parks (December 2022) Boundaries GB BGC (V3)

This file contains the digital vector boundaries for National Parks, in Great Britain, as at December 2022.The boundaries available are: (BGC) Generalised (20m) - clipped to the coastline (Mean...

Output Areas (December 2021) EW Population Weighted Centroids (V4)

This file contains the digital population weighted centroids for Output Areas in England and Wales as at 31 December 2021. The centroids were created using full resolution, extent of the realm...

NHSPD Online Latest Centroids

This file contains digital vector centroids for the NHS Postcode Directory (NHSPD) as at May 2026. The NHSPD relates both current and terminated postcodes in the United Kingdom to a range of...

LSOA (2011) to SICBL to Integrated Care Boards to LAD (July 2022) Lookup in EN

This is a lookup file between 2011 Lower layer Super Output Areas, Sub Integrated Care Board Locations, Integrated Care Boards and Local Authority Districts in England as at 1st July 2022. ...

Sub Integrated Care Board Locations (April 2026) Boundaries EN BFE

This file contains the digital vector boundaries for Sub-ICB Locations, in England, as at April 2026.The boundaries available are: (BFE) Full resolution - extent of the realm (usually this is the...

Fire and Rescue Authorities (December 2024) Boundaries EW BUC

This file contains the digital vector boundaries for Fire and Rescue Authorities, in England and Wales, as at December 2024.The boundaries available are: (BUC) Ultra generalised (500m) - clipped to...

Local Authority Districts (December 2025) Boundaries UK BGC

This file contains the digital vector boundaries for Local Authority Districts, in the United Kingdom, as at December 2025.The boundaries available are: (BGC) Generalised (20m) - clipped to the...

Local Authority Districts (December 2025) Boundaries UK BSC

This file contains the digital vector boundaries for Local Authority Districts, in the United Kingdom, as at December 2025.The boundaries available are: (BSC) Super Generalised (200m) - clipped to...

Counties and Unitary Authorities (December 2025) Boundaries UK BFE

This file contains the digital vector boundaries for Counties and Unitary Authorities, in the United Kingdom, as at December 2025.The boundaries available are: (BFE) Full resolution - extent of the...

Counties and Unitary Authorities (December 2025) Boundaries UK BGC

This file contains the digital vector boundaries for Counties and Unitary Authorities, in the United Kingdom, as at December 2025.The boundaries available are: (BGC) Generalised (20m) - clipped to...

Ward to LAD to County to County Electoral Division (May 2018) Lookup for EN

A lookup of wards to local authority districts to county to county electoral divisions in England as at 3rd May 2018. (File Size - 2 MB).Field Names – WD18CD, WD18NM, LAD18CD, LAD18NM, CTY18CD,...