Building Act 1984

Type Public General Act
Publication 1984-10-31
Last updated 2026-01-27
State In force
Department Statute Law Database
articles Not indexed
Reform history JSON API
681

Words in s. 120(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. 76(2); S.I. 2023/993, reg. 2(n)(xxix); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)

682

Words in s. 21(4) 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. 6 para. 9(b); S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

684

Word in s. 47(5)(b) 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. 4(3)(b); 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)

685

Words in s. 2(3) 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. 4(3); S.I. 2023/993, reg. 2(n)(i); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)

686

Words in s. 103(2) 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. 6 para. 25(3)(b); S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

687

Words in s. 97 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. 61; 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)

688

Act: functions transferred (1.4.2018) by Wales Act 2017 (c. 4), ss. 54(1)(2), 71(4) (with Sch. 7 paras. 1, 6); S.I. 2017/1179, reg. 3(l)

689

Words in s. 51B(1)(a) substituted (1.10.2023 except in relation to W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 43(a); S.I. 2023/993, reg. 2(n)(xvi)

690

Words in s. 19(4) 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. 6 para. 9(a); S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

692

Words in Sch. 4 para. 1(1) substituted (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(10), 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)

693

S. 1(1)(b)-(f) substituted for (1)(b)(c) (16.11.2004) by Sustainable and Secure Buildings Act 2004 (c. 22) , ss. 1(1) , 11(4)

695

Words in s. 36(2) substituted (1.10.2023 except in relation to W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 32(4)(b); S.I. 2023/993, reg. 2(n)(xi) (with regs. 3, 7)

696

Words in s. 51A(2)(a)(ii) 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. 8; 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)

701

Words in s. 113(b) 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. 73; S.I. 2023/993, reg. 2(n)(xxvii); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)

703

Words in s. 33(6) 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. 30(4); S.I. 2023/993, reg. 2(n)(xi) (with reg. 4); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)

704

Words in s. 52(1) substituted (6.4.2023 for specified purposes except in relation to W., 5.9.2023 for W. for specified purposes, 6.4.2024 in force in so far as not already in force except in relation to W., 6.4.2024 for W. in so far as not already in force) by Building Safety Act 2022 (c. 30), ss. 50(2)(c), 170(4)(b)(c); S.I. 2023/362, reg. 3(1)(v); S.I. 2023/914, reg. 2(b)(xii); S.I. 2024/104, reg. 2(f) (with reg. 3); S.I. 2024/207, reg. 2(d)(vi) (with regs. 3, 4, 8-12)

705

S. 36(5)(5A) substituted for s. 36(5) (1.10.2023 except in relation to W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 32(5); S.I. 2023/993, reg. 2(n)(xi) (with regs. 3, 7)

707

Word in s. 116(1) substituted (6.4.2024 except in relation to W.) by Building Safety Act 2022 (c. 30), ss. 45(2)(b)(ii), 170(4)(b)(c); S.I. 2024/104, reg. 2(d) (with reg. 3)

709

Words in s. 33(5) 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. 30(4); S.I. 2023/993, reg. 2(n)(xi) (with reg. 4); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)

710

Words in Sch. 2 para. 3(3) 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. 6 para. 9(t); S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

711

S. 76: functions transferred and modified (E.) (31.3.2017) by The Weymouth Port Health Authority Order 2017 (S.I. 2017/558), arts. 1(1), 9, Sch. 2 (with art. 9(3))

712

Sch. 4 para. 2(1)-(1D) substituted for Sch. 4 para. 2(1) (6.4.2023 for specified purposes except in relation to W., 5.9.2023 for W. for specified purposes, 6.4.2024 in force in so far as not already in force except in relation to W.) by Building Safety Act 2022 (c. 30), ss. 49(3)(a), 170(4)(b)(c); S.I. 2023/362, reg. 3(1)(v); S.I. 2023/914, reg. 2(b)(xii); S.I. 2024/104, reg. 2(e) (with reg. 3)

713

Words in s. 21(4) substituted (1.10.2023 except in relation to W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 23(4); S.I. 2023/993, reg. 2(n)(xi) (with reg. 3)

715

Words in s. 103(3) 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. 6 para. 9(s); S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

717

S. 43 omitted (1.10.2023 except in relation to W., 6.4.2024 for W.) by virtue of Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 6 para. 6; S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

720

S. 36(2)(a)(b) substituted (1.10.2023 except in relation to W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 32(4)(c); S.I. 2023/993, reg. 2(n)(xi) (with regs. 3, 7)

721
723

Words in s. 52(1)(c) 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. 10(2)(c); 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)

724

Sch. 1 paras. 1A-1I and cross-headings inserted (6.4.2023 for E. and for W. except for specified purposes, 5.9.2023 for W. in so far as not already in force) by Building Safety Act 2022 (c. 30), ss. 33, 170(4)(b)(c); S.I. 2023/362, reg. 3(1)(n); S.I. 2023/914, reg. 2(b)(i)

726

Words in s. 116(2) substituted (6.4.2024 except in relation to W.) by Building Safety Act 2022 (c. 30), ss. 45(2)(c)(ii), 170(4)(b)(c); S.I. 2024/104, reg. 2(d) (with reg. 3)

727

Words in s. 24(2) substituted (1.10.2023 except in relation to W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 26(4); S.I. 2023/993, reg. 2(n)(xi) (with reg. 3)

728

Words in s. 9(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. 12(3); S.I. 2023/993, reg. 2(n)(v); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)

729

S. 124 omitted (1.10.2023 except in relation to W.) by virtue of Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 79; S.I. 2023/993, reg. 2(n)(xxx) (with reg. 3)

731

Words in s. 36(2)(c) substituted (1.10.2023 except in relation to W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 32(4)(d); S.I. 2023/993, reg. 2(n)(xi) (with regs. 3, 7)

733

S. 110(2) 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. 70(3); S.I. 2023/993, reg. 2(n)(xxvi) (with reg. 4); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)

734

S. 47(4)(b)(ia) 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., 6.4.2024 for W. in so far as not already in force) by Building Safety Act 2022 (c. 30), ss. 46(4)(b), 170(4)(b)(c); S.I. 2023/362, reg. 3(1)(u); S.I. 2023/914, reg. 2(b)(x); S.I. 2023/993, reg. 2(l) (with reg. 8); S.I. 2024/207, reg. 2(d)(v) (with regs. 3-5, 8-12)

735

Words in s. 12(8) 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. 15(7); S.I. 2023/993, reg. 2(n)(viii); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)

736

S. 17 omitted (1.10.2023 except in relation to W.) by virtue of Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 20; S.I. 2023/993, reg. 2(n)(ix) (with regs. 3, 6)

738

Word in s. 47(4)(b) omitted (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., 6.4.2024 for W. in so far as not already in force) by virtue of Building Safety Act 2022 (c. 30), ss. 46(4)(a), 170(4)(b)(c); S.I. 2023/362, reg. 3(1)(u); S.I. 2023/914, reg. 2(b)(x); S.I. 2023/993, reg. 2(l) (with reg. 8); S.I. 2024/207, reg. 2(d)(v) (with regs. 3-5, 8-12)

739

Words in s. 36(3) 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. 6 para. 9(g); S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

741

Words in s. 51A(4) substituted (1.10.2023 except in relation to W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 42(2)(b); S.I. 2023/993, reg. 2(n)(xv)

742
743

Words in s. 11(7) substituted (1.10.2023 except in relation to W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 14(8); S.I. 2023/993, reg. 2(n)(vii) (with reg. 3)

745

S. 116(3)-(6) inserted (6.4.2024 except in relation to W.) by Building Safety Act 2022 (c. 30), ss. 45(2)(d), 170(4)(b)(c); S.I. 2024/104, reg. 2(d) (with reg. 3)

746

Words in s. 42(1) 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. 2; 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)

747

Words in s. 91A heading 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. 55(5); S.I. 2023/993, reg. 2(n)(xxiii) (with reg. 4); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)

748

Words in s. 10(6) 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. 6 para. 2; S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

751

Words in s. 25 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. 27(2); S.I. 2023/993, reg. 2(n)(xi) (with reg. 4); S.I. 2024/207, reg. 2(d)(xi), Sch. (with regs. 3, 4, 8-12)

753

Words in s. 102(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. 6 para. 24; S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

754

Words in s. 56(1) inserted (6.4.2023 for specified purposes except in relation to W., 6.4.2024 in force in so far as not already in force except in relation to W., 6.4.2024 for W.) by Building Safety Act 2022 (c. 30), ss. 53(3)(a)(ii), 170(4)(b)(c); S.I. 2023/362, reg. 3(1)(v); S.I. 2024/104, reg. 2(i) (with reg. 3); S.I. 2024/207, reg. 2(d)(ix) (with regs. 3, 4, 8-12)

755

S. 81(1)(b) applied (with modifications) (13.7.2004) by London Local Authorities Act 2004 (c. i), ss. 1(1), 10(1)

756

Words in s. 105 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. 6 para. 27; S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

757

Words in s. 20(1)(a) substituted (1.10.2023 except in relation to W.) by Building Safety Act 2022 (c. 30), s. 170(4)(b)(c), Sch. 5 para. 22(3)(c); S.I. 2023/993, reg. 2(n)(x) (with reg. 3)

758

Words in s. 7(2)(b) 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. 6 para. 10; S.I. 2023/993, reg. 2(o)(i) (with reg. 6); S.I. 2024/207, reg. 2(d)(xii) (with regs. 3, 4, 8-12)

759

Words in s. 104 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. 66(2)(b); 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)

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