Conservation of fuel and power: Approved Document L, Volume 1 — Dwellings

O N L I N E V E R S I O N R24-27C Regulation continued CO emission rate calculations 2 27. (1) This regulation applies where a building is erected and regulation 26 applies. (2) N ot later than the day before the work starts, the person carrying out the work shall give the local authority a notice which specifies— (a) t he target CO emission rate for the building, calculated and expressed in accordance with the 2 methodology approved pursuant to regulation 24, (b) t he CO emission rate for the building as designed, calculated and expressed in accordance with the 2 methodology approved pursuant to regulation 24, and (c) a list of specifications to which the building is to be constructed. (3) N ot later than five days after the work has been completed, the person carrying out the work shall give the local authority— (a) a notice which specifies— (i) the target CO emission rate for the building, calculated and expressed in accordance with the 2 methodology approved pursuant to regulation 24, (ii) the CO emission rate for the building as constructed, calculated and expressed in accordance with 2 the methodology approved pursuant to regulation 24, and (iii) whether the building has been constructed in accordance with the list of specifications referred to in paragraph (2)(c), and if not a list of any changes to those specifications; or (b) a certificate of the sort referred to in paragraph (4) accompanied by the information referred to in sub- paragraph (a). (4) A local authority are authorised to accept, as evidence that the requirements of regulation 26 have been satisfied, a certificate to that effect by an energy assessor who is accredited to produce energy performance certificates for that category of building. (5) I n this regulation, “specifications” means specifications used for the calculation of the CO emission rate. 2 Fabric energy efficiency rate calculations 27A. (1) T his regulation applies where a dwelling is erected and regulation 26A applies. (2) N ot later than the day before the work starts, the person carrying out the work shall give the local authority a notice which specifies— (a) t he target fabric energy efficiency rate for the dwelling, calculated and expressed in accordance with the methodology approved pursuant to regulation 24; (b) t he fabric energy efficiency rate for the dwelling as designed, calculated and expressed in accordance with the methodology approved pursuant to regulation 24; and (c) a list of specifications to which the dwelling is to be constructed. (3) N ot later than five days after the work has been completed, the person carrying out the work shall give the local authority— (a) a notice which specifies— (i) the target fabric energy efficiency rate for the dwelling, calculated and expressed in accordance with the methodology approved pursuant to regulation 24; (ii) the fabric energy efficiency rate for the dwelling as constructed, calculated and expressed in accordance with the methodology approved pursuant to regulation 24; and (iii) whether the dwelling has been constructed in accordance with the list of specifications referred to in paragraph (2)(c), and if not a list of any changes to those specifications; or (b) a certificate of the sort referred to in paragraph (4) accompanied by the information referred to in sub- paragraph (a). (4) A local authority is authorised to accept, as evidence that the requirements of regulation 26A have been satisfied, a certificate to that effect by an energy assessor who is accredited to produce energy performance certificates for that category of building. (5) I n this regulation, “specifications” means specifications used for the calculation of the fabric energy efficiency rate. Building Regulations 2010 Approved Document L Volume 1, 2021 edition 7 O N L I N E V E R S I O N