Data Sources & Attribution

Every report shows, per layer, whether it was generated from live data or a sample. Sources used by HomeBuyer Area Report UK:

Layer	Publisher	Licence
Postcode geocoding, council, region	postcodes.io (ONS Postcode Directory)	OGL v3 / OS OpenData
Street-level crime (last 3 published months)	data.police.uk (Home Office / police forces)	OGL v3
Flood risk zones 2 & 3, flood storage areas	planning.data.gov.uk (Environment Agency)	OGL v3
Coal mining development high-risk & coalfield consultation areas	Mining Remediation Authority (Coal Authority) open data	OGL v3
Planning applications	planning.data.gov.uk (local planning authorities)	OGL v3
Listed buildings (National Heritage List)	planning.data.gov.uk (Historic England)	OGL v3
Conservation areas, tree preservation zones, Article 4 directions	planning.data.gov.uk (LPAs)	OGL v3
Nationally significant infrastructure projects	planning.data.gov.uk (Planning Inspectorate)	OGL v3
Brownfield land register, heritage at risk	planning.data.gov.uk	OGL v3
Green belt, common land & village greens, air quality management areas	planning.data.gov.uk (MHCLG / DEFRA / LPAs)	OGL v3
Energy Performance Certificates (England & Wales)	get-energy-performance-data.communities.gov.uk (MHCLG)	OGL v3
Sold prices (Price Paid Data) and UK House Price Index	HM Land Registry open data	OGL v3
Schools (Get Information About Schools)	Department for Education via planning.data.gov.uk + daily CSV snapshot	OGL v3

Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right; contains Royal Mail data © Royal Mail copyright and database right; contains National Statistics data © Crown copyright and database right (via postcodes.io / ONS Postcode Directory).

Known coverage limits

England has every layer. Wales: crime, EPC, sold prices, HPI and coal — but planning.data.gov.uk designation layers are England-only. Scotland / Northern Ireland: separate registers (Police Scotland, Registers of Scotland, LPS) — most layers return nothing, and the report says so.

Crime locations are anonymised by the publisher to a nearby street point (roughly ±100 m) and dated to the month only. Greater Manchester Police has multi-year publishing gaps.

Planning layers depend on each council publishing to the national platform. An empty layer means "not published or nothing recorded", never a guarantee. Planning applications in particular are published by a minority of councils today.

Coal: Development High Risk Areas and coalfield consultation areas are point-in-polygon at the postcode centroid, not the exact title boundary — a CON29M mining report remains the lender-grade document.

EPC: England & Wales domestic register; certificates are per address as lodged (up to 10 years old). Without an API token the layer shows clearly labelled SAMPLE data.

Sold prices are HM Land Registry Price Paid Data — registered sales only (not asking prices), typically 2–8 weeks behind completion. The UK House Price Index is council-level and lags about two months.

Schools: DfE Get Information About Schools. No Ofsted grades are shown because DfE removed single-word grades after the 2024 reform — follow each school's Ofsted link. Catchment areas are set by each admissions authority and are not a radius; distance here is straight-line.

A failed upstream call is reported as UNKNOWN for that section — never as "no risk".