# The Building etc. (Amendment) (No. 2) (Wales) Regulations 2025, Regulation 3: Amendments to regulation 2

Extent: E+W

In regulation 2(1) (interpretation) of the 2010 Regulations—
(a) in the appropriate places insert—
““application for building control approval with full plans” means an application for building control approval under regulations 12(2)(b) and 14;”;
““building control approval” has the meaning given by paragraph 1B of Schedule 1 to the Act;”;
““building control authority” has the meaning given in section 121A of the Act;”;
““business” means a trade, business or other undertaking (whether for profit or not);”;
““client” means any person for whom a project is carried out;”;
““completion certificate application” has the meaning given in regulation 39(1) of the Building (Higher-Risk Buildings Procedures) (Wales) Regulations 2025;”;
““construction phase” means the period beginning when any building work on a project starts and ending when that project is completed;”;
““contractor” means any person (including a client, but not a domestic client) who, in the course of a business, carries out, manages or controls any building work;”;
““design work” means the design of any building work;”;
““designer” means any person (including a client, contractor or other person referred to in Part 2B of these Regulations) who in the course of a business—
(a)carries out any design work, or
(b)arranges for, or instructs, any person under their control to do so;”;
““domestic client” means a client for whom a project is being carried out which is not in the course or furtherance of a business of that client;”;
““higher-risk building” has the meaning given in regulation 3 of the Building Safety (Description of Higher-Risk Building) (Design and Construction Phase) (Wales) Regulations 2023;”;
““higher-risk building work” means any work relating to higher-risk building or a proposed higher-risk building, including—
(a)any work relating to a building that is not a higher-risk building that causes it to become such a building, and
(b)any work relating to a higher-risk building that causes it to cease to be such a building.”;
““principal contractor” means—
(a)the contractor appointed under regulation 11U (principal designer and principal contractor) to perform the duties of a principal contractor under these Regulations, or
(b)a person assigned under regulation 11T(1) (domestic clients), including where a domestic client assigns themselves to perform the duties of a principal contractor under these Regulations;”;
““principal designer” means—
(a)the designer appointed under regulation 11U (principal designer and principal contractor) to perform the duties of a principal designer under these Regulations, or
(b)a person assigned under regulation 11T(1) (domestic clients), including where a domestic client assigns themselves to perform the duties of a principal contractor under these Regulations;”;
““project” means a project which includes or is intended to include any building work and includes all planning work, design work, management or other work involved in a project until the end of the construction phase;”;
““recipient”, in relation to a compliance notice or a stop notice, means the person to whom the notice will be or has been given;”;
““sole contractor” means a person fulfilling the duties of the principal contractor by virtue of regulation 11U(6);”;
““sole or lead designer” means a person fulfilling the duties of the principal designer by virtue of regulation 11U(7);”;
““working day” means any day which is not Saturday, Sunday, Christmas Day, Good Friday or a day which is a bank holiday in England and Wales under section 1 of the Banking and Financial Dealings Act 1971;”;
(b) omit the definition of “full plans”.

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Source: https://www.legislation.gov.uk/wsi/2025/1320/regulation/3 (the official version)
Page: https://openlegislation.uk/building-etc-amendment-no-2-wales-regulations-2025/regulation-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.