What does the Homedata API cover?

The Homedata API covers 29 million UK properties across England, Wales, Scotland, and Northern Ireland. Endpoints include address lookup, property attributes, EPC ratings, environmental risks, planning applications, comparables, price trends, live listings, schools, broadband, and more.

What authentication method does the API use?

The API uses API key authentication. Pass your key in the Authorization header as: Authorization: Api-Key YOUR_KEY. Do not use Bearer.

How many endpoints does the Homedata API have?

The Homedata API has 38 endpoints covering address lookup, property intelligence, EPC, environmental risks, planning, comparables, valuations, price trends, live listings, schools, broadband, demographics, crime, solar assessment, listed buildings, calculators, and more.

API Documentation

Everything you need to integrate UK property data into your application. From first API call to production deployment.

Getting Started

Free account, API key, first call — under 5 minutes.

Authentication

API key management, headers, rate limits, security.

API Reference

All 38 endpoints with code examples and response schemas.

Playground Live

Run any endpoint with your own key, copy curl / Python / Node / PHP snippets.

Error Handling

Status codes, error format, rate limits, troubleshooting.

MCP Server

Use Homedata with Claude, Cursor, Windsurf — 16 tools, one config block.

Data Dictionary

60+ response fields documented with types and coverage.

Ready to start building?

Get your API key and make your first call in under 5 minutes.

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Integrate into your own product

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Homedata API Scientific, granular measurements

Every Homedata API endpoint returns UPRN-matched, OGL-licensed structured JSON covering 29M+ UK properties — address, attributes, EPC, risks, planning, comparables, price trends, and live listings from a single authenticated API key.

Structured as JSON · queryable by UPRN or postcode · ready to embed in any application

Exact measurements

Real values — distances, concentrations, counts — not rounded ratings

29M+ UK properties

Every address queryable by UPRN or postcode

REST API

JSON responses, OpenAPI docs, sandbox — first call in under 5 minutes

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Free tier: 100 API calls/month across all endpoints, no credit card required. Paid plans from £29/month for production use. Compare plans →

Sources

[1] HM Land Registry Open Data
[2] MHCLG EPC Register (Open Data)