Planning Lookup API

Get planning data for any UK address

Full planning history, applications, decisions, conditions, S106/CIL obligations. Normalised data from all 400+ UK councils.

2.4M+
Applications indexed
400+
Councils covered
<200ms
Avg response time
Planning Lookup API — Try it live
"status": "success", "address": { "formatted": "10 Downing Street, London, SW1A 2AA", "council": "Westminster City Council" }, "applications": [{ "reference": "23/08472/FULL", "description": "Replacement of windows", "status": "Approved", "decision_date": "2024-02-15" }], "total_applications": 47, "listed_building": true

What is Planning Lookup API?

Planning Lookup API provides instant access to planning application data for any address in the UK. We aggregate data from all local planning authorities and normalise it into a consistent, easy-to-use format.

Whether you're verifying a borrower's planning claims, conducting due diligence, or building planning-aware applications, our API gives you the data you need in seconds.

Use Cases

Development Finance Underwriting

Verify borrower planning claims in minutes. Confirm application status, conditions, and history before committing to a loan.

Property Due Diligence

Get full planning history for acquisition targets. Understand what's been approved, refused, or is pending.

Valuation Support

Planning status significantly impacts property value. Get accurate data to support your valuations.

PropTech Applications

Build planning-aware features into your property platform. Search, filter, and display planning data.

API Endpoints

GET /v1/lookup

Look up planning applications for an address or postcode.

Parameter Type Description
address required string Full address or postcode to search
radius_m integer Search radius in metres (default: 50)
status string Filter by status: approved, refused, pending
since date Only return applications after this date
GET /v1/application/{reference}

Get full details for a specific planning application by reference number.

Parameter Type Description
reference required string Planning application reference (e.g. 23/08472/FULL)
include_documents boolean Include links to application documents