4.—(1) In this article “church building” (“adeilad eglwys”) means a building whose primary use is as a place of worship, and for the purposes of this definition—
(a)any object or structure fixed to that building; and
(b)any object or structure within the curtilage of a church building which, although not fixed to that building, forms part of the land,
is treated as part of the church building.
(2) Listed buildings ecclesiastical exemption is retained for the following buildings to the extent set out in paragraph (3)—
(a)church buildings of the Church in Wales vested in the Representative Body of the Church in Wales(1) or any other representative body incorporated under section 13(2) of the Welsh Church Act 1914(2);
(b)church buildings within the faculty jurisdiction of the Church of England;
(c)church buildings held in trust by the diocesan trustees of a diocese of the Roman Catholic Church;
(d)church buildings owned by or held in trust for or for the purposes of the Methodist Church or any connexional or local organisation of the Methodist Church;
(e)church buildings held in trust for a Church in membership with the Baptist Union of Great Britain or the Baptist Union of Wales by either—
(i)the Baptist Union Corporation Limited (whether alone or jointly with another person or persons); or
(ii)the Welsh Baptist Union Corporation Limited (whether alone or jointly with another person or persons).
(3) Listed building ecclesiastical exemption is restricted in respect of church buildings falling within sub-paragraphs (a) and (c) to (e) of paragraph (2) to works carried out—
(a)by or on behalf of a church or body, or a constituent part of a church or body, referred to in those sub-paragraphs; or
(b)by or on behalf of the governing body or the trustees of that institution where the church buildings in question are on any premises forming part of a university, college, school, hospital or public or charitable institution.
See the Church of Wales Representative Body Charter of Incorporation Order in Council 1919 (S.I. 1919/564).