Property Address
GEThttps://property-api.k8s.outra.co.uk/api/v2/property/address
API keyJSON
Get ADDRESS field group data for a property by UPRN. Returns only address and geospatial fields, making it highly optimised for lightweight, high-frequency requests where fast location resolution is required.
Purpose
- Accurate address resolution — a canonical, UPRN-backed address structure for consistent representation across systems.
- High-performance lookups — returns only address and coordinate fields, ideal for UI rendering, autocomplete confirmation and rapid data hydration.
- Geospatial enablement — built-in coordinates integrate directly with mapping, routing and spatial analysis tools.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
uprn | integer | Required | Property UPRN. Positive integer, maximum 12 digits. Minimum 1, maximum 999999999999. |
curl 'https://property-api.k8s.outra.co.uk/api/v2/property/address?uprn=100023336956' \
-H 'accept: application/json' \
-H 'Authorization: Api-Key {api_key}'Status codes
| Code | Description |
|---|---|
200 | Address retrieved successfully |
401 | Authentication failed or API key invalid |
422 | Request validation failed |
429 | Rate limit exceeded |
Error responses return a detail message:
{ "detail": "Unauthorized - Invalid authentication credentials" }Field reference
Core locationADDRESS
postcode
Property postcode.
latitude / longitude
WGS84 coordinates.
x_coordinate / y_coordinate
British National Grid easting / northing.
uprn / udprn
Unique Property and Delivery Point reference numbers.
Building & localityADDRESS
unit_number, sub_building_name, building_name, building_number
Building hierarchy.
dependent_thoroughfare, thoroughfare
Street context.
double_dependent_locality, dependent_locality, post_town
Locality and post town.
address
Full single-line address string.
Typical use cases
Map rendering & geocoding
Position properties precisely using UPRN-backed coordinates.
Address normalisation
Resolve addresses to a single authoritative structure across systems.
Fast UPRN → address hydration
Hydrate address details instantly once a UPRN is known.