Meaning of qualifying improvement works

4.—(1) For the purposes of paragraph 3(2) of Schedule 4ZA and paragraph 3(3) of Schedule 5A to the Act “qualifying improvement works”, in relation to a hereditament, means any works completed before 1st April 2028 which—

(a)increase the area of the hereditament which comprises a building,

(b)otherwise improve the physical state of the hereditament,

(c)add rateable plant and machinery to the hereditament, or

(d)are associated with the works described in sub-paragraphs (a) to (c) and which reduce the rateable value of the hereditament.

(2) Works falling within paragraph (1)(d) are to be treated as the same set of qualifying improvement works as those with which they are associated.

(3) In this regulation—

(a)references to “hereditament” include references to any relevant predecessor hereditament;

(b)“rateable plant and machinery” means any plant and machinery assumed to be part of the hereditament in accordance with the Valuation for Rating (Plant and Machinery) (England) Regulations 2000(1).