http://www.legislation.gov.uk/ukpga/1984/55/section/53ABuilding Act 1984 An Act to consolidate certain enactments concerning building and buildings and related matters.1984-10-31texttext/xmlenStatute Law Database2026-03-06Expert Participation2026-01-27 Building Act 1984s. 131ABuilding Safety Act 2022s. 59s. 170(4)(c)Building Act 1984s. 95(5)Building Safety Act 2022s. 60(2)s. 170(4)(c)Building Act 1984s. 131BBuilding Safety Act 2022s. 60(3)s. 170(4)(c)Building Act 1984Sch. 1 para. 7A(4)Building Safety Act 2022Sch. 5 para. 83(5)s. 170(4)(b)(c)reg. 2(n)(xxxiii)reg. 2(d)(xi)Sch.reg. 348- 12Building Act 1984s. 44(11)Sustainable and Secure Buildings Act 2004s. 3(8)s. 11(3)Building Act 1984s. 53A(3)The Building Safety Levy (England) Regulations 2025reg. 54(6)(a)reg. 1(5)(6)reg. 1(2)Building Act 1984ActThe Building etc. (Amendment) (No. 2) (Wales) Regulations 2025Rheoliadau Adeiladu etc. (Diwygio) (Rhif 2) (Cymru) 2025reg. 21reg. 1(2)Building Act 1984s. 1(1A)(d)Infrastructure Act 2015s. 37(2)s. 57(5)(a)Building Act 1984Sch. 1 para. 7AInfrastructure Act 2015s. 37(4)s. 57(5)(a) Part II53A1This section applies where—aon any day (“the relevant day”) an initial notice is given in respect of any work, andbthe initial notice is accepted.2Where the work relates to one building and is not commenced within 3 years from the end of the relevant day—athe initial notice ceases to be in force, andbif a plans certificate relating to the work (or any part of it) has been accepted, the relevant provisions have effect as if the certificate had not been given (or accepted).3Where the work relates to more than one building, and the work in relation to one or more of the buildings (“the relevant work”) is not commenced within 3 years from the end of the relevant day—athe initial notice ceases to be in force so far as it relates to the relevant work, andbif a plans certificate relating to the relevant work (or any part of it) has been accepted, the relevant provisions have effect as if, as regards the relevant work, the certificate had not been given (or accepted).4For the purposes of subsection (3)(b) it does not matter whether the plans certificate also relates to work other than the relevant work.5In this section “the relevant provisions” has the meaning given by section 32.6Building regulations may make provision about when work, or work relating to a building, is to be regarded as commenced for the purposes of this section.Words in s. 47 cross-heading substituted (6.4.2024 except in relation to W., 6.4.2024 for W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 4 para. 3; S.I. 2024/104, reg. 2(b) (with reg. 3); S.I. 2024/207, reg. 2(d)(x) (with regs. 3, 4, 6, 8-12)S. 53A inserted (6.4.2023 for specified purposes except in relation to W., 5.9.2023 for W. for specified purposes, 1.10.2023 in so far as not already in force except in relation to W.) by Building Safety Act 2022 (c. 30), ss. 36(7), 170(4)(b)(c); S.I. 2023/362, reg. 3(1)(o); S.I. 2023/914, reg. 2(b)(iii); S.I. 2023/993, reg. 2(g) (with regs. 3, 5)Words in Pt. 2 heading substituted (1.10.2023 except in relation to W., 6.4.2024 for W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 39; S.I. 2023/993, reg. 2(n)(xii) (with reg. 4); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)