7.—(1) An area agency may not pay a total amount of grant in respect of a works application under HEES or HEES Plus which exceeds the lower of—
(a)the amount properly charged for the works carried out; or
(b)the maximum amount of grant under HEES or HEES Plus as determined from time to time by the Assembly in accordance with—
(i)the cost and/or availability of works and materials of the types required by or in connection with the purposes set out in Regulation 6; and
(ii)the current policy and priorities of the Assembly in relation to energy conservation.
(2) The Assembly may determine different maximum amounts under paragraph (1)—
(a)for grants in respect of dwellings in multiple occupation;
(b)by reference to any category or combination of categories of works contained within the HEES Scheme or the HEES Plus Scheme as determined by the Assembly; and
(c)by reference as to whether the application is a works application or a partial grant application.
(3) Subject to paragraphs (1) and (2) of this Regulation, an area agency may, with the consent of the Assembly, specify—
(a)a maximum amount of grant which may be paid; and
(b)a grant-calculation basis, expressed in terms of amounts per unit of measurement,
for any category or combination of categories of works contained within the HEES Scheme or the HEES Plus Scheme.
(4) In the case of a partial grant application, the maximum grant which may be paid to an applicant is 25% of the maximum grant determined by the Assembly in respect of HEES.