Approved Document F

About Approved Document F

Approved Document F gives guidance on ventilation in buildings, with separate guidance for dwellings and for buildings other than dwellings. It covers how fresh air is provided, how moisture and pollutants are removed, and how ventilation systems are controlled and maintained.

What it covers

• Whole-dwelling, extract and purge ventilation
• Ventilation systems, from natural ventilation to mechanical systems
• Minimising the ingress of external pollutants
• Controls, commissioning and access for maintenance
• Ventilation of buildings other than dwellings
• Work on existing buildings