The Town and Country Planning (General Permitted Development) (England) Order 2015 No. 596

SCHEDULE 2 E+W Permitted development rights

PART 14 E+W Renewable energy

Class G – installation or alteration etc of air source heat pumps on domestic premises E+W

Permitted Development E+W

G.  The installation, alteration or replacement of a microgeneration air source heat pump—

(a) on a dwellinghouse or a block of flats; or

(b) within the curtilage of a dwellinghouse or a block of flats, including on a building within that curtilage.