http://www.legislation.gov.uk/ukpga/1984/55/section/101Building 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 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 IV1011For the purposes of any section of this Act that confers powers on any relevant authority to construct, lay or maintain sewers, drains or pipes, section 158 of the Water Industry Act 1991 (street works) shall apply, with the necessary modifications, as it applies for the purpose of conferring power on a water undertaker or sewerage undertaker to lay a relevant pipe, within the meaning of that section.2That section shall also so apply so far as necessary for the purposes of any power to lay or maintain a sewer or drain which is conferred by this Act on a person other than a relevant authority.3In this section “relevant authority” means a local authority or the regulator.Words in s. 101(1) substituted by Water Act 1989 (c. 15, SIF 130), ss. 58(7), 101(1), 141(6), 160(1)(2)(4), 163, 189(4)–(10), 190, 193(1), Sch. 25 para. 70(3)(a), Sch. 26 paras. 3(1)(2), 17, 40(4), 57(6), 58words in s. 101(1) substituted (1.12.1991) by Water Consolidation (Consequential Provisions) Act 1991 (c. 60, SIF 130), ss. 2(1), 4(2), Sch. 1 para. 39(5)(a).Words in s. 101(1) substituted (1.12.1991) by Water Consolidation (Consequential Provisions) Act 1991 (c. 60, SIF 130), ss. 2(1), 4(2), Sch. 1 para. 39(5)(a).Words in s. 101(1) substituted (1.12.1991) by Water Consolidation (Consequential Provisions) Act 1991 (c. 60, SIF 130), ss. 2(1), 4(2), Sch. 1 para. 39(5)(a).S. 101(2) substituted by Water Act 1989 (c. 15, SIF 130), ss. 58(7), 101(1), 141(6), 160(1)(2)(4), 163, 189(4)–(10), 190, 193(1), Sch. 25 para. 70(3)(b), Sch. 26 paras. 3(1)(2), 17, 40(4), 57(6), 58Words in s. 101(2) substituted (1.12.1991) by Water Consolidation (Consequential Provisions) Act 1991 (c. 60, SIF 130), ss. 2(1), 4(2), Sch. 1 para. 39(5)(b).Words in s. 101(1) 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. 64(2); S.I. 2023/993, reg. 2(n)(xxv) (with reg. 4); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)S. 101(3) inserted (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. 64(4); S.I. 2023/993, reg. 2(n)(xxv) (with reg. 4); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)Words in s. 101(2) 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. 64(3); S.I. 2023/993, reg. 2(n)(xxv) (with reg. 4); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)