Is This House on Subsidence-Risk Ground?

Check the ground around a postcode using BGS ground-hazard bands and the Mining Remediation Authority coalfield screen. The result is regional context, not a diagnosis of subsidence in a house. Keep the postcode result, then choose an address if you want the wider report.

No signup. Postcode-area screen of British Geological Survey and Mining Remediation Authority open data, published under the Open Government Licence v3.0.

This check runs on screen, no signup. The full property report is £9.99 Lite / £24.99 Complete. One report, one price, no subscription.

Cancel for a full refund at any time before your report is emailed. Terms

  • One-off

    No subscription

    Pay once for each report you buy.

  • Named

    Sources & coverage

    Every report names its sources and the checks it could not run.

  • GB

    England, Wales & Scotland

    Coverage varies by nation and source, and is stated.

  • £9.99

    Reports from

    Lite £9.99, Complete £24.99.

From this free check to the full report

The free tool answers one question. The report covers the whole address.

  1. No signup

    Use the free tool

    Run the tool above. The answer shows on this page, with nothing to sign up for.

  2. Before you pay

    Pick the house and the report

    Choose the exact address, then Lite (£9.99) or Complete (£24.99). One-off, no subscription.

  3. Emailed within 24 hours

    Get the full report

    The report for that address is emailed to you, with every source named and any check it could not run stated.

How to check for subsidence before buying

Use the result to prepare a short list of questions: has movement been reported, what repairs were done, and are there reports, monitoring records or guarantees to read? Take visible cracking or a disclosed history to your surveyor. An online band cannot settle those questions.

Natural ground hazards and mining are different checks

The six BGS themes are shrink–swell, landslides, compressible ground, collapsible deposits, running sand and soluble rocks. Our coalfield screen is a separate source. See the BGS explanation of the open hex grid and its scale. Contains British Geological Survey data under the Open Government Licence; attribution is also shown with the result.

Before you buy on clay

For the area comparison, browse ground stability by outcode or the Great Britain shrink-swell clay map. Our published method explains the source limits. Keep the subsidence buyer guide alongside your survey notes.

Frequently asked questions

Does a significant ground band mean this house has subsidence?
No. It describes susceptibility in a regional grid cell. It does not record movement in this building or account for its foundations, drains and maintenance.
What does this subsidence map show?
The BGS GeoSure 5 km hex grid summarises six natural ground hazards across Great Britain. Each hexagon covers about 65 square kilometres. Low, moderate and significant are susceptibility classes, not probabilities of an insurance claim.
Does the paid report replace a structural survey or coal mining search?
No. Complete (£24.99) brings available source records together for the selected address. A surveyor assesses the building; your conveyancer determines the official searches required. A coalfield flag is not a CON29M or a Coal Mining Risk Assessment.

Check the whole address

Search an address in England, Wales and Scotland, see the available area data, then choose an emailed report for the property.

Type the full address with its postcode to go straight to your report options. Try .

Cancel for a full refund at any time before your report is emailed. Terms

What the report coversThe pre-offer check

Still have a question? We typically respond within 24 hours.

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