Consequential improvements to energy performance28

1

Paragraph (3) applies to an existing building with a total useful floor area over 1000m² where the proposed building work consists of or includes—

a

the initial provision of any fixed building services; or

b

an increase to the installed capacity of any fixed building services.

2

Paragraph (3) applies to an existing building where the proposed building work consists of or includes—

a

an extension; or

b

the extension of the building’s heating system or the provision of a fixed heating appliance, to heat a previously unheated space.

3

Subject to paragraph (4), where this paragraph applies, such work, if any, shall be carried out as is necessary to ensure that the building complies with the requirements of Part L of Schedule 1.

4

Nothing in paragraph (3) requires work to be carried out if it is not technically, functionally and economically feasible.