Coal Mining Search by Postcode — Do You Need a CON29M?

Check the postcode against the Mining Remediation Authority development-risk screen. A flag helps you prepare questions about a former coalfield. It does not reveal every mine entry, prove a house is safe, or decide which legal searches your lender requires.

No signup. Postcode-area screen of Mining Remediation Authority (formerly the Coal Authority) open data, published under the Open Government Licence.

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

Three documents that should not be confused

CheckPurpose
This free postcode screenRead a development-risk layer before discussing the property.
CON29MA property-specific conveyancing search ordered separately.
Coal Mining Risk AssessmentAn assessment for development where required.

The Mining Remediation Authority publishes guidance and data. Its development guidance explains why a CON29M is not a substitute for a Coal Mining Risk Assessment.

Questions before you commit

  • What does the official property search say, and which further enquiries does your conveyancer recommend?
  • Are there recorded repairs, investigations or documents the surveyor should see?
  • What checks will proposed extensions or other building work require?

Browse coalfield outcodes and run the separate natural ground-stability check. Complete (£24.99) combines the available coalfield screen with other official-source records; it does not supply a CON29M. Choose the address for your report.

Frequently asked questions

No. It shows a coalfield development-risk screen. A CON29M is a separate conveyancing search. Ask your conveyancer which searches the property and lender require.
No. A Coal Mining Risk Assessment addresses risks for development. The Mining Remediation Authority says a CON29M does not substitute for that assessment.
No. It describes the mapped layer at the postcode point, not a complete history of the land or building. Source failure is unknown, not an outside-area finding.

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