Radon in Northamptonshire and Derbyshire
Radon potential is raised over the Jurassic ironstones of Northamptonshire and the Carboniferous limestones of Derbyshire, and Derbyshire Dales is a designated radon Affected Area. New buildings, extensions and conversions in higher radon areas may need basic or full radon protection under Approved Document C and BRE BR 211.
Related: Building Regulations drawings and plan review, Building Regulations applications








