OS Open UPRN
Ordnance Survey
Current national addressable-property reference layer
Live and scheduledThe stable reference used to organise property evidence without treating an advert as a building.
Original publisherCoverage ledger
The recorded source inventory and latest observation release, with each dataset’s count and coverage period stated separately.
Latest observation release
30 September 2026Official inventory recorded 18 August 2026. The observed rental layer follows its own versioned release clock. Counts overlap and are never added together as a total number of properties.
Ordnance Survey
Current national addressable-property reference layer
Live and scheduledThe stable reference used to organise property evidence without treating an advert as a building.
Original publisherOffice for National Statistics
2,702,241 current plus 905,964 historical rows
QuarterlyAuthoritative links between postcodes, local authorities and statistical geographies.
Original publisherHM Land Registry
1 January 1995 to 30 June 2026
MonthlyCompleted residential property sales with price, date, tenure and property type.
Original publisherOffice for National Statistics
1 January 2015 to 1 June 2026
MonthlyAchieved private rents by area, bedroom count and property type.
Original publisherHM Land Registry and ONS
1 April 1968 to 1 May 2026
MonthlyPrice indices, average prices, sales volume and property-type history.
Original publisherMinistry of Housing, Communities and Local Government
1 April 2026 to 31 March 2027
AnnualCurrent Band D totals and statutory Band A to H equivalents by billing authority.
Original publisherPolice.uk
1 July 2023 to 1 June 2026
MonthlyGeocoded street-level crime categories and available outcome context.
Original publisherMinistry of Housing, Communities and Local Government
Current published planning datasets
Continuously updatedNational planning constraints, designations and reference datasets assembled from publishers.
Original publisherMinistry of Housing, Communities and Local Government
2 January 2009 to 11 August 2026
Continuously updatedOfficial certificate history and physical-property attributes for domestic and non-domestic buildings.
Original publisherObserved rental layer
Unlike an administrative dataset, this layer grows through repeated observations. Counts describe records, advert versions and dated states, not unique homes.
Aggregate representations, not unique homes
Of 3,847 in the national frame
Of 552,696 retained
Price and availability observations over time