Ventilation: Approved Document F, Volume 1 — Dwellings

O N L I N E V E R S I O N F1(1) Requirement F1(1): Means of ventilation This section deals with the requirements of Part F1(1) of Schedule 1 to the Building Regulations 2010. Requirement Requirement Limits on application Means of ventilation Requirement F1 does not apply to a building or space within a building: F1. (1) T here shall be adequate means of ventilation provided for people in the building. a. into which people do not normally go; b. which is used solely for storage; or c. which is a garage used solely in connection with a single dwelling. Intention In the Secretary of State’s view, requirement F1(1) is met if the dwelling has a means of ventilation that achieves all of the following. a. Extracts water vapour and indoor air pollutants from areas where they are produced in significant quantities (e.g. kitchens, utility rooms and bathrooms) before they spread through the building, following the guidance on extract ventilation in paragraphs 1.17 to 1.22. b. Supplies a minimum level of outdoor air for occupants’ health, following the guidance for whole dwelling ventilation in paragraphs 1.23 to 1.25. c. Rapidly dilutes indoor air pollutants, and disperses water vapour when necessary in habitable rooms, following the guidance for purge ventilation in paragraphs 1.26 to 1.31. d. Minimises the entry of external air pollutants, following the guidance in Section 2. e. Achieves all of the following, as far as is reasonably practicable. i. Produces low levels of noise, following the guidance in paragraphs 1.5 to 1.7. ii. Offers easy access for maintenance, following the guidance in paragraph 1.8. iii. Provides protection from cold draughts. In the Secretary of State’s view, requirement F1(1) is met for work on an existing dwelling by following the guidance in Section 3. 5 Building Regulations 2010 Approved Document F Volume 1, 2021 edition O N L I N E V E R S I O N