# Building Safety (Wales) Act 2026, Section 112: Meaning of “relevant building”

Extent: E+W
Status: prospective

(1) In this Part, “relevant building” means a category 1 building or a category 2 building, but does not include—
(a) anything that is included in a reference to such a building by virtue of section 7 (ancillary areas);
(b) any building—
(i) in relation to which a right under Part 1 of the Landlord and Tenant Act 1987 (c. 31) (tenants’ right of first refusal) or Part 3 of that Act (compulsory acquisition by tenants of landlord’s interest) has been exercised;
(ii) in relation to which the right to collective enfranchisement under Chapter 1 of Part 1 of the Leasehold Reform, Housing and Urban Development Act 1993 (c. 28) has been exercised;
(iii) that is on commonhold land (within the meaning given by section 1 of the Commonhold and Leasehold Reform Act 2002 (c. 15)).
(2) The Welsh Ministers may by regulations provide that a category 1 building or a category 2 building is not a relevant building if the freehold estate in the building is leaseholder owned (within the meaning given by the regulations).

---
Source: https://www.legislation.gov.uk/asc/2026/5/section/112 (the official version)
Page: https://openlegislation.uk/building-safety-wales-act-2026/section-112
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.