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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... -
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... -
Westminster Parliamentary Constituencies (December 2025) Names and Codes in the UK
This file contains the names and codes for Future Westminster Parliamentary Constituencies, operative 31st December 2025, in the United Kingdom. Field Names - PCON25CD,... -
Local Authority District to Fire and Rescue Authority (April 2025) Lookup in EW
A lookup file between local authority districts (LAD) and fire and rescue authorities (FRA) in England and Wales as at 1st April 2025. (File Size - 64 KB) Field Names -... -
TCITYandBUASwipeMap
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Built-up Areas Web and Major Towns and Cities Map
There is no description for this dataset
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Online ONS Postcode Directory Tabular and Spatial Extract Tool
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ONSPD Map Online V2
There is no description for this dataset
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Built-up Area (2011) compared to Major Towns and Cities (2015) Swipe Map
How would you define the boundaries of a town or city in England and Wales in 2016? Maybe your definition would be based on its population size, geographic extent or where the... -
Health geography hierarchy boundaries, December 2023, England and Wales
Health geography hierarchy boundaries, December 2023, England and Wales. Boundaries used (BGC) for geographies in England and Wales are generalised (20m) and are clipped to the... -
Health geography hierarchy boundaries, December 2023, England and Wales
Health geography hierarchy boundaries, December 2023, England and Wales. Boundaries used (BGC) for geographies in England and Wales are generalised (20m) and are clipped to the... -
Ward to Registration District to LAD (December 2025) Lookup in EW
This file is a lookup between electoral ward/divisions, registration districts and local authority districts in England and Wales as at 31st December 2025. (File Size -... -
Corrections to 214 Northern Ireland Postcodes for Westminster Parliamentary...
We have identified in Northern Ireland that were allocated an incorrect Westminster Parliamentary Constituency code. The issue has now been resolved, and the correction will be... -
Local Authority District to County and Unitary Authority (April 2019) Lookup in EW
A lookup file of the local authority districts (local authority districts, unitary authorities, metropolitan districts, London boroughs) to the county and unitary authorities... -
Sustainability and Transformation Partnerships (February 2017) Boundaries EN BFE
This file contains the digital vector boundaries for Sustainability and Transformation Partnerships in England as at February 2017. The boundaries are full resolution - extent... -
NHS England (Regions) (April 2020) Boundaries EN BFC
This file contains the digital vector boundaries for NHS England Regions in England, as at April 2020. The BFC boundaries are full resolution - clipped to the coastline (Mean... -
Output Area (2021) to National Parks (2024) Best Fit Lookup in EW
A best fit lookup between Output Areas (OA) at March 2021 and National Parks (NPARK) in England and Wales as at December 2024. For more information and an overview of best-... -
GSS Geography Policy
This GSS Geography Policy sets out the principles of those standards. The document provides best practice guidance on the geographic reference data to use, and how to use it so... -
Postcode to OA (2021) to LSOA to MSOA to LAD (August 2024) Best Fit Lookup in the UK
A best-fit lookup between postcodes, 2021 Census Output Areas (OA), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and local authority districts... -
National Statistics UPRN Lookup (September 2024) (Epoch 112)
This file contains the National Statistics UPRN Lookup (NSUL) for Great Britain as at Sepotember 2024. The NSUL relates the Unique Property Reference Number (UPRN) for each GB...