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Building Regulations Part H: Drainage and waste disposal

Welcome to the technical guidance page for Part H of the building regulations.

This section deals with foul and surface water drainage, and also refuse storage for dwellings. The approved document can be downloaded below, with additional guidance at the foot of the page.

Approved Document H: Drainage and waste disposal

Additional Guidance:

BCA Guidance:

BCA Technical Guidance Note 11: Interim Guidance on the transfer of sewers to water companies under The Flood and Water Management Act

BCA Technical Guidance Note 15: Guidance on sizing of Package Sewage Treatment Plants

LABC Guidance:

Advice on SuDS: Sustainable urban drainage systems