Last edited 14 Apr 2021

Approved Document F

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 F: Ventilation, was last published in 2015.

It includes standards for ventilation and air quality for all buildings. It also covers requirements for the prevention of condensation. The types of ventilation covered includes, mechanical, passive stack, background and purge (rapid).

The content of the Approved Document includes:

It is supported by the Domestic Ventilation Compliance Guide, which provides detailed guidance about the installation, inspection, testing, commissioning and provision of information when installing fixed ventilation systems in new and existing dwellings.


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