Regulation 21 Application of energy efficiency requirements

the erection of any building of a kind falling within this paragraph;

the extension of any such building, other than an extension to which paragraph (4) applies; and

the carrying out of any work to or in connection with any such building or extension.

is a roofed construction having walls;

uses energy to condition the indoor climate; and

does not fall within one or more of the categories listed in paragraph (3).

buildings which are—

where compliance with the energy efficiency requirements would unacceptably alter their character or appearance;

buildings which are used primarily or solely as places of worship;

temporary buildings with a planned time of use of two years or less, industrial sites, workshops and non-residential agricultural buildings with low energy demand;

stand-alone buildings other than dwellings with a total useful floor area of less than 50m².

where any wall, door or window separating the conservatory or porch from that building has been removed and not replaced with a wall, door or window; F4F5...

into which the building's heating system has been extended F6F7to heat the conservatory or porch; or

in which a fixed heating appliance has been provided to heat the conservatory or porch.

“industrial sites”;

“low energy demand”;

“non-residential agricultural buildings”;

“places of worship”;

“stand-alone”;

“total useful floor area”;

“workshops”.