http://www.legislation.gov.uk/uksi/2021/1391/regulation/13The Building Regulations etc. (Amendment) (England) Regulations 2021enBUILDING AND BUILDINGS, ENGLANDStatute Law Database2026-03-23Expert Participation2024-04-06 These Regulations amend the Building Regulations 2010 (S.I. 2010/2214) and the Building (Approved Inspectors etc.) Regulations 2010 (S.I. 2010/2215) as they apply in relation to England. The amendments made by these Regulations provide for a new metric for the measurement of energy efficiency in the form of the target primary energy rate and introduce new regulation for on-site electricity generation and in relation to overheating (in particular by virtue of the introduction of paragraph L2 into part L of Schedule 1 to S.I. 2010/2214, and a new Part O). Amendments are made to S.I. 2010/2215 in consequence of these changes. PART 2 13 In Schedule 3A (third party certification schemes and exemptions from requirement to give building notice or deposit full plans), in column 2 (person inspecting work) of the table omit “, or Stroma Certification Limited”. Reg. 13 in force at 15.6.2022, see reg. 1(1)