Ventilation: Approved Document F, Volume 2 — Buildings other than dwellings

O N L I N E V E R S I O N Historic and traditional buildings 0.5 Work to the following types of buildings may not need to comply fully with the ventilation standards in this approved document. a. Those listed in accordance with section 1 of the Planning (Listed Buildings and Conservation Areas) Act 1990. b. Those in a conservation area designated in accordance with section 69 of the Planning (Listed Buildings and Conservation Areas) Act 1990. c. Other historic buildings with a vapour-permeable construction that both absorbs moisture and readily allows moisture to evaporate. These include those built with wattle and daub, cob or stone and constructions using lime render or mortar. 0.6 Work to a building in paragraph 0.5 should comply with the ventilation standards in this approved document where reasonably practicable. The work should not result in either of the following outcomes. a. Unacceptably affect the significance of the listed building, conservation area or scheduled monument. b. Increase the risk of long-term deterioration of the building fabric or fittings. 0.7 New extensions to historic and traditional buildings should comply with all ventilation standards in this approved document unless there is a need to match the external appearance or character of the extension to that of the host building. 0.8 The local authority’s conservation officer should be consulted when undertaking work to a building in paragraphs 0.5a or 0.5b. Emergency repairs 0.9 For emergency repairs, if it is not possible to notify the building control body in advance, the building control body should be notified as soon as possible. If the installer is registered with a competent person scheme, see Chapter 5 in Volume 1 and Chapter C in Volume 2 of the Manual to the Building Regulations. Minor works 0.10 Minor works must comply with the relevant requirements of the Building Regulations, but the building control body does not need to be notified. For mechanical ventilation and air-conditioning systems, minor works include any of the following. a. Replacing parts. b. Adding an output or control device if testing and adjusting the system would not affect its energy efficiency or would not be possible. c. Providing a self-contained mechanical ventilation or air-conditioning appliance when all the following apply. i. Any electrical work is exempt from a requirement to give advance notice to a building control body. ii. Testing and adjusting the system would not affect its energy efficiency or would not be possible. iii. The appliance is not installed in a room that contains an open-flued combustion appliance. 2 Approved Document F Volume 2, 2021 edition Building Regulations 2010 O N L I N E V E R S I O N