tag:www.gov.uk,2005:/search/guidance-and-regulation Guidance and regulation 2026-02-23T14:23:37+00:00 HM Government tag:www.gov.uk,2005:/government/publications/pre-application-advice-for-developing-on-the-coalfield 2026-02-23T14:23:37+00:00 Planning advice service for developing on the coalfield A service to ensure you consider any associated risks of historical coal mining for proposals within the Development High Risk Area. tag:www.gov.uk,2005:/guidance/home-extensions-and-improvements-in-former-coal-mining-areas 2025-11-10T10:10:00+00:00 Home extensions and improvements in former coal mining areas Find out what you need to do before building home extensions or making improvements to your property in areas affected by past coal mining activity. tag:www.gov.uk,2005:/guidance/planning-applications-coal-mining-risk-assessments 2025-02-27T15:53:11+00:00 Planning applications and Coal Mining Risk Assessments If your site is in the Development High Risk Area, for most forms of development you must submit a Coal Mining Risk Assessment to your local planning authority. tag:www.gov.uk,2005:/government/publications/coal-authority-technical-guidance-note-tgn022021 2021-07-01T00:00:00+01:00 Mining Remediation Authority Technical Guidance Note TGN02/2021 Guidance for engineering designer’s making submissions for structural, geotechnical or foundation solutions tag:www.gov.uk,2005:/government/publications/coal-authority-technical-guidance-note-tgn012019 2019-06-17T00:00:00+01:00 Mining Remediation Authority Technical Guidance Note TGN01/2019 Findings from a large subsidence event on a residential estate.