Open / Free Data

The UK's national geoscience agency, publishing free geological risk datasets covering radon, mining hazard, subsidence, and ground stability — critical for property environmental due diligence.

UK academic portal offering free access to consumer, retail and neighbourhood datasets for research and planning.

A free UK property data platform providing instant AVM valuations, sold prices, EPC ratings, and flood risk for any UK address — designed for consumers, investors, and property professionals.

UK corporate ownership data from Companies House to trace beneficial owners of property companies and SPVs.

The national planning data platform for England, aggregating planning constraints and applications from Local Planning Authorities with a free API and bulk download.

The UK government's authoritative source for flood risk data in England, providing real-time flood warnings via a free API and long-term flood risk maps for every property.

Investigative data on anonymous overseas ownership of UK property, tracking beneficial ownership transparency in real estate.

The UK's official land and property ownership register for England and Wales, publishing free open data including Price Paid Data, the UK HPI, and corporate ownership records.

The official register of England's protected historic buildings and sites, covering 380,000+ listed buildings, scheduled monuments, and conservation areas — essential for property due diligence.

A developer-first UK property data API covering 29M properties with UPRN precision, offering the only full listing-event chain API alongside EPC, risk scores, price history, and demographics.

The official UK government database of Energy Performance Certificates covering 22M+ properties, with ratings, efficiency scores, floor areas, and improvement recommendations.

ONS Housing Statistics provide UK-wide data on housebuilding, housing stock, affordability, and homelessness from the Office for National Statistics.

The UK's national statistics institute, publishing Census data, deprivation indices, housing statistics, and the UK House Price Index — all freely available under the Open Government Licence.

Great Britain's national mapping agency and custodian of the UPRN, providing the definitive address and geospatial datasets that underpin the entire UK property data ecosystem.

England's official online service for local authority planning applications and decisions.

Scotland's official land and property register, providing title sheets, ownership records, and property selling prices for all registered land in Scotland.

Official UK mortgage market statistics from UK Finance covering lending, arrears, possessions and product data across all lenders.

UK government agency providing council tax banding and business rates valuations data for England and Wales.