Conservation of fuel and power: Approved Document L, Volume 2 — Buildings other than dwellings

O N L I N E V E R S I O N Extensions to and work on existing buildings 0.10 Guidance for existing buildings is given in this approved document for the following. a. Limiting heat gains and losses: Section 4. b. Building services: Sections 5 and 6. c. New elements in existing buildings, including replacing a thermal element and constructing an extension: Section 10. d. Existing elements in existing buildings, including renovating or retaining a thermal element, material change of use and change to energy status: Section 11. e. consequential improvements: Section 12. Exemptions 0.11 The following classes of buildings or parts of buildings other than dwellings are exempt from the energy efficiency requirements. a. Places of worship – buildings or parts of a building that are used primarily or solely for formal public worship, plus adjoining spaces the function of which is directly linked to that use (e.g. a vestry in a church). NOTE: Parts of the building that are designed to be used separately, such as offices, catering facilities, day centres, meeting halls and accommodation, are not exempt from the energy efficiency requirements. b. Temporary buildings with a total planned time of use of two years or less. c. Buildings with low energy demand which are industrial sites, workshops or non-residential agricultural buildings. NOTE: Low energy demand only relates to the energy used by fixed heating or cooling systems, not to energy required for or created by process needs. This includes buildings or parts of buildings where the space is not generally heated or cooled other than by process heat or buildings or parts of buildings that only require heating or cooling for short periods each year, such as during critical periods in the production cycle (e.g. plant germination, egg hatching) or during very severe weather conditions. NOTE: Portable or modular buildings with a planned service life of longer than two years, whether on one or more sites, are not exempt. See paragraphs 2.11 to 2.19. d. New and existing stand-alone buildings other than dwellings, with a total useful floor area of less than 50m2. e. Carports, covered yards, covered ways and some conservatories and porches (see paragraphs 0.18 to 0.19). Exemptions for listed buildings, buildings in conservation areas and scheduled monuments 0.12 Work to the following types of buildings does not need to comply fully with the energy efficiency requirements where to do so would unacceptably alter the building’s character or appearance. 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. Those included in the schedule of monuments maintained under section 1 of the Ancient Monuments and Archaeological Areas Act 1979. 3 Building Regulations 2010 Approved Document L Volume 2, 2021 edition O N L I N E V E R S I O N