Power to dispense with or relax requirements
11.—(1) Subject to paragraph (3), the power under section 8(1) of the Act to dispense with or relax any requirement contained in these Regulations shall be exercisable by the local authority.
(2) Any notification by the local authority to an applicant that they have refused his application to dispense with or relax any requirement of these Regulations shall inform the applicant of the effect of section 39(1) and (3) of the Act (appeal against refusal etc to relax building regulations).
(3) Sub-sections (1) to (5) of section 8 of the Act (relaxation of building regulations) do not apply to—
(a) regulation 17C; or
(b) in the case of existing buildings with a total useful floor area over 1,000m2, the energy efficiency requirements of these Regulations.