Statutory guidance

Site preparation and resistance to contaminates and moisture: Approved Document C

Building regulation in England for the condition of the ground upon which a building is to be built.

Documents

Approved Document C: site preparation and resistance to contaminates and moisture

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Frequently asked questions

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (eg a screen reader) and need a version of this document in a more accessible format, please email alternativeformats@communities.gsi.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Detail

The current edition covers the clearance or treatment of unsuitable material, resistance to contaminants and sub-soil drainage. Information on the resistance to moisture of floors, walls and roofs is included, with examples of damp proofing and ventilation provisions.

Archived versions of Approved Document C are available at the National Archives

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