Every data point in GeoData comes from authoritative UK government sources. Here is a complete breakdown of what we collect, where it comes from, and how often it updates.
Comprehensive population data from Census 2021 covering age, ethnicity, health, qualifications, household composition and more. Accessed via the NOMIS API (NM_2021_1).
LSOA
Decennial
~35,000 areas
Scotland's census data covering population demographics, households and health at Data Zone level.
Data Zone
Decennial
~6,976 areas
Business Register and Employment Survey data providing employment and economic activity breakdowns at LSOA level.
LSOA
Annual (Census 2021 data)
~35,000 areas
Economic activity data from Scotland's Census 2022 (table UV601). Covers employment, self-employment, unemployment and economic inactivity at Data Zone level.
Data Zone
Decennial
~6,976 areas
Complete record of residential property sale prices in England and Wales, including property type, tenure, and whether new-build. Supports multi-year imports.
Postcode
Monthly
Millions of transactions
Street-level crime and anti-social behaviour data from all police forces in England and Wales. Includes crime category breakdowns and outcome data. Police.uk also covers Northern Ireland but NI data is not currently included.
LSOA
Monthly (2-month lag)
~35,000 areas
Enterprise counts and local unit counts by industry sector at MSOA level. Provides insight into the business landscape and commercial activity of an area.
MSOA
Annual
~7,264 areas
Enterprise counts by employment size band (micro, small, medium, large) at Intermediate Zone level for Scotland. Sourced from the same NOMIS dataset (NM_142_1) as the England & Wales business counts.
Intermediate Zone
Annual
~1,279 areas
The official measure of relative deprivation in England (IoD25). Uses 2021 LSOA codes with 100% coverage. Covers seven domains: income, employment, education, health, crime, housing and living environment, plus supplementary indices (IDACI, IDAOPI).
LSOA
Periodic
~33,755 areas
The official measure of relative deprivation for small areas in Wales across eight domains including income, employment, health and education.
LSOA
Periodic
~1,909 areas
Scotland's official tool for identifying areas of multiple deprivation. Ranks Data Zones across seven domains including income, employment, health and education.
Data Zone
Periodic
~6,976 areas
Register of schools, colleges and children's centres. We compute the nearest 10 schools for every postcode using a spatial grid index with OSGB36 coordinate transformation and Haversine distance calculations.
Postcode (nearest 10 schools per postcode)
Continuous
~1.68M postcodes
Postcode-level broadband coverage data (speed availability tiers, speed distribution bands, USO compliance) combined with Local Authority-level mobile coverage data (4G/5G indoor/outdoor availability). Data snapshot: July 2025.
Postcode (broadband) + Local Authority (mobile)
Annual
~1.74M postcodes
Domestic Energy Performance Certificates recording each property's current and potential energy efficiency rating (A–G), floor area, estimated energy use and CO₂ emissions, plus property type, tenure and built form.
Property
Quarterly
~24M certificates
Domestic Energy Performance Certificates for Scotland, recording the same measures as England & Wales: current and potential energy efficiency rating (A–G), floor area, energy use, CO₂ emissions, and property type, tenure and built form.
Property
Quarterly
~1.5M certificates
Risk of Flooding from Rivers and Sea — a national screening assessment of river and coastal flood risk, with individual properties classified into bands (very low, low, medium, high).
Property
Annual
~1.4M postcodes
SEPA Flood Hazard Maps showing the present-day extent of river and coastal flooding by likelihood band (low, medium, high). Band thresholds differ from England's, so cross-border comparison is indicative.
Flood-risk map
Annual
~0.2M postcodes
Flood Risk Assessment Wales (FRAW) — maps of river and sea flood risk classified by band (low, medium, high) that take account of existing flood defences, unlike Scotland's undefended hazard maps.
Flood-risk map
Annual
~0.1M postcodes
Modelled prevalence of 21 long-term conditions (including diabetes, high blood pressure, asthma, COPD, depression and dementia) from GP practice disease registers.
LSOA
Annual
~33,700 LSOAs
Modelled prevalence of 19 conditions from Welsh GP practice disease registers, spread to neighbourhoods with a distance model from practice locations and list sizes. Compared with the Wales rate.
LSOA
Annual
~1,900 LSOAs
Modelled prevalence of 20 conditions from Scottish GP practice disease prevalence data, spread to Data Zones with a distance model from practice locations and list sizes. Compared with the Scotland rate.
Data Zone
Annual
~7,000 Data Zones
Observed climate on a 1 km grid — maximum and minimum temperature, rainfall, sunshine, air-frost days and rain days — for the latest year and each season, alongside the 1991–2020 average.
1 km grid
Annual
~245,000 grid cells
Open geography data from the ONS used to map postcodes to statistical geographies including LSOAs, MSOAs, Local Authorities, regions, and coordinates.
Postcode
Quarterly
~2.7M postcodes
Open mapping data from Ordnance Survey used to draw the boundary of every postcode in Great Britain, at unit, sector, district and area level.
Postcode (unit, sector, district, area)
Quarterly
~1.75M postcode polygons
Official boundaries for the small statistical areas (LSOAs and MSOAs) that much of the England and Wales data is published on.
LSOA / MSOA
Each census
~43,000 areas
Official boundaries for Scotland's Data Zones, the small areas that the Scottish census and deprivation data are published on.
Data Zone
Each census
~7,000 Data Zones
Enter any GB postcode and see all 12 categories of enriched data in seconds.