Modifications etc. (not altering text)
C1Pt. I (ss. 1-46) excluded (22.7.2008) by Crossrail Act 2008 (c. 18), Sch. 14 para. 8
C2Pt. I (ss. 1-46) restricted by Channel Tunnel Act 1987 (c. 53, SIF 102), ss. 31(1), 45, Sch. 7 Pt. VI para. 2
C3Pt. I (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)
C4Pt. I (ss. 1-46) modified (17.7.1992) by S.I. 1992/1732, art. 4(1)
C5Pt. I (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))
For the purposes of building regulations and of a direction given or instrument made with reference to building regulations, buildings may be classified by reference to size, description, design, purpose, location or any other characteristic whatsoever.