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UK Property Intelligence

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UK Property Intelligence

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.

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from $50.00 / 1,000 results

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Charles

Charles

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20 days ago

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HM Land Registry

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:

  1. Fetches all domestic EPC certificates from the Energy Performance of Buildings Register
  2. Fetches all price paid transactions from the HM Land Registry Price Paid Data API
  3. Matches records by normalised address
  4. Returns three record types:
    • matched — property has both EPC data and a sale transaction
    • epc_only — EPC certificate with no matching sale in the date range
    • hmlr_only — sale transaction with no EPC certificate on record

Key derived fields

FieldDescription
price_per_sqmSale price divided by EPC floor area
stranded_asset_risktrue if EPC band D or below (2028 BTL EPC-C regulation)
upgrade_cost_min_gbpMinimum estimated cost from EPC improvement recommendations
upgrade_cost_max_gbpMaximum estimated cost from EPC improvement recommendations
annual_energy_cost_gbpEstimated annual heating + hot water + lighting cost
improvementsList of recommended works with indicative cost and typical annual saving
potential_epc_bandBand achievable if all recommendations are implemented

Inputs

FieldRequiredDescription
epcApiKeyYesBearer token from get-energy-performance-data.communities.gov.uk
postcodeOne of theseSingle UK postcode
postcodesOne of theseList of UK postcodes
dateFromNoFilter sales on or after this date (YYYY-MM-DD)
dateToNoFilter sales on or before this date (YYYY-MM-DD)
propertyTypeNodetached, semi-detached, terraced, flat-maisonette, other
tenureNofreehold, leasehold
strandedOnlyNoReturn only EPC D/E/F/G properties (default: false)
includeUnmatchedNoInclude records that matched only one source (default: true)
maxPropertiesNoMaximum 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

Both are official UK government open data sources published under the Open Government Licence.