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Weapons Information Exchange System

To fulfil EC Directive 91/47/EEC, to let EU countries know firearms, ammunition and component parts of weapons are being imported/exported to/from their country and to let the UK HMRC know that...

Organisation for the Prohibition of Chemical Weapons inspectors database

Details of Organisation for the Prohibition of Chemical Weapons inspectors

Predicted Caesium-137 deposition from atmospheric nuclear weapons tests

Prediction of Caesium-137 (Cs-137) deposition from atmospheric nuclear weapons tests. The methodology uses a ratio of Cs-137 deposition and precipitation measured at Milford Haven by the Atomic...

Radiation epidemiological databases and data (Centre for Radiation, Chemical and Environmental Hazards-CRCE)

Epidemiological databases (and data) used for analyses of radiation workers and nuclear weapons test participants.

Firearms database

Contains details of all those who have applied for and have been granted section 5 authority to possess prohibited weapons.

Knife Possession Sentencing Statistics

This series of publications contain key statistics describing trends in cautioning and sentencing, probation supervision and the prison population for offences involving the possession of a knife...

Knife Crime Sentencing

The publication describes trends in cautioning and sentencing, probation supervision and prison population for possession of a knife or offensive weapon in England and Wales. It provides early...

National Statistics UPRN Lookup (January 2022) 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...

National Statistics UPRN Lookup (October 2021) User Guide ODT

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

ONS UPRN Directory (October 2021) User Guide (ODT)

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

Local Authority District to Combined Authority (May 2025) Lookup in EN

A lookup file between local authority districts (LAD) and combined authorities (CAUTH) in England as at 1st May 2025. (File size - 16KB)Field Names - LAD25CD, LAD25NM, CAUTH25CD, CAUTH25NMField...

Combined Authorities (May 2025) Names and Codes in EN

This file contains names and codes for Combined Authorities (CAUTH) in England as at 1st May 2025. The names of the combined authorities in this product reflect those that are in common use, both...

Code History Database (June 2025) for the UK

This zip file contains the Code History Database for the United Kingdom as at 1st June 2025. (File size: 52.5 MB)To download the zip file click the Download button.Updates in England to: Civil...

Local Authority District to Country (April 2025) Lookup in the UK

This is a lookup file between local authority districts and countries in the UK as at 1st April 2025. (File Size - 64 KB)Field Names - LAD25CD, LAD25NM, LAD25NMW, CTRY25CD, CTRY25NM, CTRY25NMWField...

MSOA (2021) to Ward (2024) to LAD (2024) Best Fit Lookup in EW (V2)

This file is a best fit lookup between 2021 middle layer super output areas, electoral wards/divisions and local authority districts in England and Wales as at 2nd May 2024.  (File Size - 1.56...

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

This file contains the digital vector boundaries for National Parks, in Great Britain, as at December 2022. The boundaries available are: (BFE) Full resolution - extent of the realm (usually this...

TWBC Open Data - Brownfield Register

The 2017 Regulations introduced the requirement for all local planning authorities in England to prepare, maintain and publish registers of previously developed land within their area that they...

Ward to LAD to County to County Electoral Division (May 2025) Lookup for EN

A lookup of wards to local authority districts to county to county electoral divisions in England as at 1st May 2025. (File Size - 461 KB).Field Names – WD25CD, WD25NM, LAD25CD, LAD25NM, CTY25CD,...

Coding and Naming Policy for UK Statistical Geographies (July 2025)

The document explains the coding and naming policy for UK statistical geographies.Updated July 2025.

Rural-Urban Classification (2021) Frequently Asked Questions V2

The FAQ answers several key methodological, definitional and technical questions about the 2021 RUC, and is intended to provide supplementary contextual information to support users.Note: Last...