This Approved Document provides guidance on how to comply with Part F to Schedule 1 to the Building Regulations covers ventilation and applies to buildings other than dwellings only, and takes effect on 15 June 2022. It does not apply to work subject to a building notice, full plans application or initial notice submitted before that date, provided the work is started on site before 15 June 2023.

ADF2: Buildings other than dwellings (2021 edition) contains the following sections:

• Ventilation provision
• Minimising the ingress of external pollutants
• Work on existing dwellings
• Commissioning and providing information
• Key terms
• Performance-based ventilation
• CO2 monitoring

The guidance in this Approved Document only relates to England and applies to buildings other than dwellings only. For guidance relating to dwellings, use Approved Document F, Volume 1: Dwellings.