Property Data API

Access comprehensive UK property intelligence through our powerful RESTful API. We proudly maintain one of the UK's longest-standing property data assets, aggregating listing and market data since 1995 — three decades of historical intelligence to power your property applications.

Property Viewer Showcase

200+

API Endpoints

30M+

Properties Covered

99.9%

Uptime SLA

<200ms

Average Response

API Endpoints

Comprehensive RESTful API for accessing UK property data and intelligence

Property Data

Comprehensive property intelligence including physical characteristics, valuations, energy ratings, and ownership history. Includes access to unique data points only available to Home.


                            GET /api/properties/{uprn}

Coverage: 30M+ properties • Updates: Daily

AVM

The UK's most powerful price prediction model, trained on unique data points. Powered by a proprietary regression model based on the latest research.


                            GET /api/avm/{uprn}

Coverage: England, Wales and Scotland

Property Risks

Environmental and hazard risk assessment for any UK property. Covers 15 risk categories including flood risk, radon, invasive plants, noise pollution, coal mining, landfill proximity and air quality.


                            GET /api/risks/{risk_type}/?uprn={uprn}

Coverage: England & Wales • Categories: 15

Listings

Access current and historical property listings including asking prices, listing dates, agent details, status changes and full listing descriptions with imagery.


                            GET /api/listings/{uprn}

Coverage: 30M+ listings • History: Since 1995

Data Dictionary

Comprehensive reference for all available data fields and their definitions

Data	Field Name	Type	Description	Example
Property Data Fields Core property data fields
UPRN	uprn	integer	Unique Property Reference Number	123456789012
USRN	usrn	integer	Unique Street Reference Number	87654321
UDPRN	udprn	integer	Unique Delivery Point Reference Number	12345678
OS topographic ID	toid	string	Topographic Identifier	osgb1000001234567
Latitude	latitude	decimal	Latitude coordinate	51.1465
Longitude	longitude	decimal	Longitude coordinate	0.8735
Full Address	full_address	string	Full address string	WILLOW COTTAGE, MAPLE LANE, GREENFIELD, ASHFORD, TN23 5XY
No of Bedrooms	bedrooms	integer	Number of bedrooms	4
No of Bathrooms	bathrooms	integer	Number of bathrooms	3
Floor Area	epc_floor_area	integer	Floor area from EPC in sqm	142
Current Energy Efficiency	current_energy_efficiency	integer	Current energy efficiency score	72
Last Sold Price	last_sold_price	integer	Last sold price in GBP	445000
Predicted Price	predicted_price	integer	AI-predicted current price	450000
Property Type	property_type	string	Type of property	Detached
Construction Material	construction_material	string	Construction material	Brick Or Block Or Stone
Confidence Score	confidence_score_pct	integer	Data confidence score percentage	93
Data Sources	data_sources	array	List of data sources used for this property	Land registry, EPC, Satellite imaging AI, Listing data
Enterprise Fields Additional property data fields available on Enterprise tier only
Has Garden	has_garden	boolean	Whether property has a garden	true
Garden Type	garden_type	string	Type of garden	Rear garden
Has Parking	has_parking	boolean	Whether property has parking	true
Is Listed	is_listed	boolean	Whether property is a listed building	false
Has Rights of Way	has_rights_of_way	boolean	Whether property has rights of way	false
Floor Plans	floor_plans	array	Array of floor plan image URLs	[...image URLs...]
Listings Fields Property listing history and details
Listing ID	id	string	Unique listing UUID	262a3826-4c7c-4eee-995d-e8e5f5570fbf
Display Address	display_address	string	Address shown on listing	Maple Lane, Greenfield, Ashford
Added Date	added_date	date	Date listing was added	2024-10-15
Latest Status	latest_status	string	Current listing status	For sale
Latest Price	latest_price	integer	Current asking price	455000
Estate Agent	agent_name	string	Estate agent name	Harmony Estate Agents
Property Risks Fields Environmental risk assessment data — 15 risk categories per property
Risk Type	risk_type	string	Risk category identifier (radon, flood_rivers_sea, coal_mining, road_noise, rail_noise, landfill, air_quality_today, flood_surface_water, invasive_plant_*)	radon
Severity Label	label	string	Severity level: Urgent, Extreme, Very High, High, Medium-High, Medium, Moderate, Low-Medium, Low, Very Low, Detected, Not detected	Very high
Score	score	number\|null	Numeric risk score (unit varies by type)	6
Score Unit	score_unit	string\|null	Unit of measurement: class, DAQI, records	class
Intersects Property	intersects	boolean	Whether the risk zone directly intersects the property location	true
Distance (metres)	distance_m	number\|null	Distance to nearest hazard in metres	21692
Search Radius	search_radius_m	number\|null	Search radius used for detection (e.g. 8050m = 5 miles for invasive plants)	8050
Record Count	count	integer	Number of records/instances found within search radius	328
Radius Description	radius_description	string	Human-readable description of the search area	Within 5 miles
Properties	properties	object	Additional metadata varying by risk type (species name, station data, licence details, etc.)	{"description": "..."}

Quick Start Examples

Get started with our API using these practical code examples

Property Data Request

curl -X GET \
  'https://api.homedata.co.uk/api/properties/123456789012' \
  -H 'Authorization: ApiKey YOUR_API_KEY' \
  -H 'Content-Type: application/json'

import requests

url = "https://api.homedata.co.uk/api/properties/123456789012"
headers = {
    "Authorization": "ApiKey YOUR_API_KEY",
    "Content-Type": "application/json"
}

response = requests.get(url, headers=headers)
data = response.json()
print(data)

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => "https://api.homedata.co.uk/api/properties/123456789012",
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        "Authorization: ApiKey YOUR_API_KEY",
        "Content-Type: application/json"
    ],
]);

$response = curl_exec($curl);
$data = json_decode($response, true);
curl_close($curl);

print_r($data);

const response = await fetch(
  'https://api.homedata.co.uk/api/properties/123456789012',
  {
    method: 'GET',
    headers: {
      'Authorization': 'ApiKey YOUR_API_KEY',
      'Content-Type': 'application/json'
    }
  }
);

const data = await response.json();
console.log(data);

IDENTIFICATION DIVISION.
PROGRAM-ID. PROPERTY-API-CLIENT.

DATA DIVISION.
WORKING-STORAGE SECTION.
01  API-URL PIC X(100) VALUE
    "https://api.homedata.co.uk/api/properties/123456789012".
01  API-KEY PIC X(50) VALUE "YOUR_API_KEY".
01  RESPONSE-DATA PIC X(5000).

PROCEDURE DIVISION.
    DISPLAY "CALLING PROPERTY DATA API...".
    CALL "HTTP-GET" USING API-URL API-KEY RESPONSE-DATA.
    DISPLAY "UPRN: " RESPONSE-DATA(1:12).
    DISPLAY "PREDICTED PRICE: " RESPONSE-DATA(200:6).
    STOP RUN.

Response

{
  "uprn": 123456789012,
  "full_address": "10 EXAMPLE STREET, LONDON, SW1A 1AA",
  "property_type": "Terraced",
  "bedrooms": 3,
  "bathrooms": 2,
  "predicted_price": 450000,
  "epc_floor_area": 95,
  "current_energy_efficiency": 72,
  "confidence_score_pct": 91,
  ...
}

Property Risks Request

curl -X GET \
  'https://api.homedata.co.uk/api/risks/all/?uprn=100040112686' \
  -H 'Authorization: Api-Key YOUR_API_KEY' \
  -H 'Accept: application/json'

Risks Response

{
  "risk_type": "all",
  "uprn": 100040112686,
  "location": { "lat": 50.1180717, "lon": -5.5350132 },
  "results": [
    {
      "risk_type": "radon",
      "label": "Very high",
      "score": 6,
      "score_unit": "class",
      "intersects": true,
      "distance_m": 0,
      "search_radius_m": 1000,
      "count": 1,
      "radius_description": "Within 1km grid",
      "properties": {
        "description": "More than 30% of homes in this area exceed the Action Level"
      }
    },
    {
      "risk_type": "landfill",
      "label": "Detected",
      "score": null,
      "intersects": false,
      "distance_m": 21692,
      "count": 1,
      "radius_description": "21.7km",
      "properties": {
        "name": "P H Care",
        "town": "Helston",
        "status": "Closure",
        "licence_type": "A06",
        "description": "Nearest landfill: Landfill taking other wastes [Category A06] (21.7km away)"
      }
    },
    {
      "risk_type": "air_quality_today",
      "label": "Low",
      "score": 3,
      "score_unit": "DAQI",
      "intersects": true,
      "distance_m": 100,
      "count": 1,
      "radius_description": "Nearest station (100m)",
      "properties": {
        "station_name": "Penzance",
        "daqi": 3,
        "daqi_band": "Low",
        "description": "DAQI 3/10 (Low) - Station: Penzance (100m)"
      }
    },
    {
      "risk_type": "invasive_plant_rhododendron_ponticum",
      "label": "Medium",
      "score": 328,
      "score_unit": "records",
      "intersects": false,
      "distance_m": 884,
      "search_radius_m": 8050,
      "count": 328,
      "radius_description": "Within 5 miles (0.55 miles closest)",
      "properties": {
        "species_name": "Rhododendron ponticum",
        "description": "328 records within 5 miles, closest 0.55 miles away"
      }
    },
    {
      "risk_type": "flood_rivers_sea",
      "label": "Not detected",
      "score": null,
      "intersects": false,
      "count": 0,
      "radius_description": "At property",
      "properties": { "description": "Not detected" }
    },
    {
      "risk_type": "road_noise",
      "label": "Not detected",
      ...
    },
    {
      "risk_type": "coal_mining",
      "label": "Not detected",
      ...
    }
  ]
}

Authentication

All API requests require authentication using an API key passed in the Authorization header.


                            Authorization: Bearer YOUR_API_KEY

Get your API key by contacting us for access.

Rate Limits

Test Tier: 200 requests total (requires approval)

Standard Tier: 10,000 requests/month

Enterprise: Unlimited

Rate limits are calculated on a monthly rolling basis.

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Property Data API

API Endpoints

Property Data

AVM

Property Risks

Listings

Data Dictionary

Property Data Fields

Enterprise Fields

Listings Fields

Property Risks Fields

Quick Start Examples

Property Data Request

Response

Property Risks Request

Risks Response

Authentication

Rate Limits

Start building with property data today