UK Property Intelligence
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from $50.00 / 1,000 results
UK Property Intelligence
Combines EPC energy performance data with HMLR price paid history. Returns matched records with price_per_sqm, stranded asset risk (2028 EPC-C BTL regulation), upgrade costs, and energy performance per property.
Pricing
from $50.00 / 1,000 results
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Developer
Charles
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20 days ago
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Combines two free UK government datasets — EPC energy certificates and HMLR price paid transactions — into a single enriched property record per address.
No Rightmove. No Zoopla. No scraping. Both data sources are official open government data.
What it does
For each postcode supplied:
- Fetches all domestic EPC certificates from the Energy Performance of Buildings Register
- Fetches all price paid transactions from the HM Land Registry Price Paid Data API
- Matches records by normalised address
- Returns three record types:
matched— property has both EPC data and a sale transactionepc_only— EPC certificate with no matching sale in the date rangehmlr_only— sale transaction with no EPC certificate on record
Key derived fields
| Field | Description |
|---|---|
price_per_sqm | Sale price divided by EPC floor area |
stranded_asset_risk | true if EPC band D or below (2028 BTL EPC-C regulation) |
upgrade_cost_min_gbp | Minimum estimated cost from EPC improvement recommendations |
upgrade_cost_max_gbp | Maximum estimated cost from EPC improvement recommendations |
annual_energy_cost_gbp | Estimated annual heating + hot water + lighting cost |
improvements | List of recommended works with indicative cost and typical annual saving |
potential_epc_band | Band achievable if all recommendations are implemented |
Inputs
| Field | Required | Description |
|---|---|---|
epcApiKey | Yes | Bearer token from get-energy-performance-data.communities.gov.uk |
postcode | One of these | Single UK postcode |
postcodes | One of these | List of UK postcodes |
dateFrom | No | Filter sales on or after this date (YYYY-MM-DD) |
dateTo | No | Filter sales on or before this date (YYYY-MM-DD) |
propertyType | No | detached, semi-detached, terraced, flat-maisonette, other |
tenure | No | freehold, leasehold |
strandedOnly | No | Return only EPC D/E/F/G properties (default: false) |
includeUnmatched | No | Include records that matched only one source (default: true) |
maxProperties | No | Maximum records to return (default: 100) |
Get your free EPC API key: Register at get-energy-performance-data.communities.gov.uk
Sample output (matched record)
{"record_type": "matched","match_method": "address","match_confidence": "high","address": "63 Daisy Bank Road","postcode": "M14 5QL","uprn": "100012345678","current_epc_band": "D","potential_epc_band": "B","stranded_asset_risk": true,"floor_area_sqm": 158,"property_type": "Semi-detached house","construction_era": "1930-1949","annual_energy_cost_gbp": 1127,"upgrade_cost_min_gbp": 6400,"upgrade_cost_max_gbp": 11050,"sale_price_gbp": 285000,"price_per_sqm": 1803.8,"transaction_date": "2023-06-15","tenure": "Freehold","is_new_build": false,"improvements": [{"improvement_type": "Loft insulation","indicative_cost": "GBP 300 - GBP 400","typical_annual_saving_gbp": 180}]}
Use cases
Buy-to-let landlords — identify which properties in your portfolio or a target area fail the 2028 EPC-C minimum. See upgrade costs and whether the rental yield justifies the investment.
Estate agents and valuers — enrich area reports with energy performance distribution, price per sqm by band, and stranded asset risk counts.
Retrofit assessors — find the worst-performing properties in an area to target upgrade services.
Property investors — combine sale price history with energy performance to identify undervalued stranded assets with renovation potential.
Data sources
- EPC Register API — free, requires registration
- HMLR Price Paid Data API — free, no key required
Both are official UK government open data sources published under the Open Government Licence.