Last edited 29 Mar 2019

Approved Document H

The first set of national building standards was introduced in 1965. Now known as the building regulations, they set out:

The 'approved documents' provide guidance for how the building regulations can be satisfied in common building situations. There is no obligation to adopt the solutions presented in the approved documents, the building regulations can be satisfied in other ways.

Approved Document H: drainage and waste disposal, was last published in 2015.

It provides guidance on providing adequate drainage, and also deals with pollution prevention, sewage infrastructure and maintenance. Technical design guidance covers sanitary pipework, foul drainage, rainwater drainage and disposal, wastewater treatment, and discharges and cesspools.

The content of the Approved Document includes:

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