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 R6, R22 Regulations 6 and 22: Material change of use and change to energy status This section deals with the requirements of regulations 6 and 22 of the Building Regulations 2010. Regulation Requirements relating to material change of use 6. (1) W here there is a material change of use of the whole of a building, such work, if any, shall be carried out as is necessary to ensure that the building complies with the applicable requirements of the following paragraphs of Schedule 1— (a) i n all cases, B1 (means of warning and escape) B2 (internal fire spread—linings) B3 (internal fire spread—structure) B4(2) (external fire spread—roofs) B5 (access and facilities for the fire service) C2(c) (interstitial and surface condensation) F1 (ventilation) G1 (cold water supply) G3(1) to (3) (hot water supply and systems) G4 (sanitary conveniences and washing facilities) G5 (bathrooms) G6 (kitchens and food preparation areas) H1 (foul water drainage) H6 (solid waste storage) J1 to J4 (combustion appliances) L1 (conservation of fuel and power) P1 (electrical safety); S2 (infrastructure for the charging of electric vehicles); (b) in the case of a material change of use described in regulation 5(c), (d), (e) or (f), A1 to A3 (structure); (c) in the case of a building exceeding fifteen metres in height, B4(1) (external fire spread—walls); (d) i n the case of a material change of use described in regulation 5(a), (b), (c), (d), (g), (h), (i) or, where the material change provides new residential accommodation, (f), C1(2) (resistance to contaminants); (e) in the case of a material change of use described in regulation 5(a), C2 (resistance to moisture); (f) i n the case of a material change of use described in regulation 5(a), (b), (c), (g), (h) or (i), E1 to E3 (resistance to the passage of sound); (g) i n the case of a material change of use described in regulation 5(e), where the public building consists of or contains a school, E4 (acoustic conditions in schools); (h) i n the case of a material change of use described in regulation 5(a) or (b), G2 (water efficiency) and G3(4) (hot water supply and systems: hot water supply to fixed baths); (i) i n the case of a material change of use described in regulation 5(c), (d), (e) or (j), M1 (access to and use of buildings other than dwellings); (j) in the case of a material change of use described in regulation 5(a), (b) or (g), Q1 (security). 75 Building Regulations 2010 Approved Document L Volume 2, 2021 edition O N L I N E V E R S I O N