For regulation 9 (calculation of the size of grant) of the principal Regulations substitute the following–
Calculation of the size of grant
(9)
(1) The amount of any grant in respect of works at a dwelling shall be determined in accordance with the following Table and paragraphs (2) and (3)–
Table
(2) Where the work is carried out by the applicant, the grant for the work specified in column (1) of the Table shall be the lesser of—
(a) the cost of the materials used, and
(b) the figure shown in column (2) of the Table.
(3) Where the work is carried out by an eligible contractor, the grant for the work specified in column (1) of the Table shall be the lesser of–
(a) the amount properly charged for the work, and
(b) the figure shown in column (3) of the Table.