Approved Document F
Ventilation
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
Approved Document F: Volume 1 applies to dwellings
Ministry of Housing, Communities and Local Government
Figures
From Approved Document F: Volume 1 applies to dwellings
Manual to the Building Regulations
Diagram i — The relationship between regulations and guidance in the approved documents
Diagram 1.1 — Minimum kitchen extract ventilation rate in cases where a cooker hood extracts to the outside(1)
Diagram 1.2 — Minimum ventilation rate for kitchen extract where a cooker hood does not extract to the outside(1)
Diagram 1.3 — Two habitable rooms treated as one room for ventilation purposes
Diagram 3.1 Chart for categorising impact on ventilation when carrying out works in existing dwellings
Amendments and circulars
- Circular letter - Notice of revision to Approved Documents F2, L1, L2, O and S 2021 editions
Current · 2022 · Letter
Other editions
Ministry of Housing, Communities and Local Government · 2022