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The official magazine of LABC
Building Regulations Part C
Many subjects are embraced by this part. These include the weather and water tightness of buildings, subsoil drainage, site preparation, and measures to deal with contaminated land, Radon, Methane, and all other site related hazardous and dangerous substances.

Download Approved Document C - Site preparation and resistance to contaminates and moisture (2004 Edition) (PDF 1949 Kb)

Additional information on Part C including archived versions and ways to order hardcopy is available from this section of the planning portal.