http://www.legislation.gov.uk/ukpga/1984/55/section/46ABuilding Act 1984 An Act to consolidate certain enactments concerning building and buildings and related matters.1984-10-31texttext/xmlenStatute Law Database2026-07-06Expert Participation2026-07-01 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. 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 I46A1A building control authority may carry out a restricted activity in relation to any work only through a registered building inspector, acting on the authority’s behalf, whose registration has effect in relation to work of that description.2Before each exercise of a restricted function in relation to any work, a building control authority must obtain and consider the advice of a registered building inspector whose registration has effect in relation to work of that description.3The registered building inspector who carries out the restricted activity, or advises on the exercise of the restricted function, may (but need not) be employed by the authority.4In this section—“restricted activity” means an activity that is prescribed for the purposes of this section;“restricted function” means a function of a building control authority under—this Part,Part 3, orregulations made under this Part or Part 3,that is prescribed for the purposes of this section.Pt. 1 (ss. 1-46) restricted by Channel Tunnel Act 1987 (c. 53, SIF 102), ss. 31(1), 45, Sch. 7 Pt. VI para. 2Pt. 1 (ss. 1-46) modified (1.4.1991) by National Health Service and Community Care Act 1990 (c. 19, SIF 113:2), s. 60(2), Sch. 8 para. 18(1)Pt. 1 (ss. 1-46) modified (17.7.1992) by S.I. 1992/1732, art. 4(1)Pt. 1 (ss. 1-46) excluded (18. 12. 1996) by 1996 c. 61, s. 38, Sch. 10 para.7PPt. I (ss. 1-46) excluded (26.3.2001) by S.I. 2001/1149, art. 4(5) (subject to art. 1(3))S. 46A and cross-heading inserted (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. 44(2), 170(4)(b)(c); S.I. 2023/362, reg. 3(1)(t); S.I. 2023/914, reg. 2(b)(ix); S.I. 2024/104, reg. 2(c) (with reg. 3); S.I. 2024/207, reg. 2(d)(iv) (with regs. 3, 4, 8-12)Pt. 1 (ss. 1-46) excluded (22.7.2008) by Crossrail Act 2008 (c. 18), Sch. 14 para. 8Pt. 1 (ss. 1-46) excluded (23.2.2017) by High Speed Rail (London - West Midlands) Act 2017 (c. 7), s. 70(1), Sch. 22 para. 1Pt. 1 excluded (11.2.2021) by High Speed Rail (West Midlands - Crewe) Act 2021 (c. 2), s. 64(1), Sch. 22 para. 1(1)(a) (with Sch. 22 para. 1(2)(3))Pt. 1 (ss. 1-46) excluded (24.9.2014) by The Thames Water Utilities Limited (Thames Tideway Tunnel) Order 2014 (S.I. 2014/2384), art. 1, Sch. 19 Pt. 1 para. 3Pt. 1 excluded (4.10.2024) by The National Grid (Bramford to Twinstead Reinforcement) Order 2024 (S.I. 2024/958), art. 1, Sch. 15 para. 4 (with art. 40, Sch. 14)