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

SCHEDULE 2 Permitted development rights

PART 1 Development within the curtilage of a dwellinghouse

Class G – chimneys, flues etc on a dwellinghouse

Permitted development

G.  The installation, alteration or replacement of a chimney, flue or soil and vent pipe on a dwellinghouse.

Development not permitted

G.1  Development is not permitted by Class G if—

(a) permission to use the dwellinghouse as a dwellinghouse has been granted only by virtue of Class M, N, P or Q of Part 3 of this Schedule (changes of use);

(b) the height of the chimney, flue or soil and vent pipe would exceed the highest part of the roof by 1 metre or more; or

(c) in the case of a dwellinghouse on article 2(3) land, the chimney, flue or soil and vent pipe would be installed on a wall or roof slope which—

(i) fronts a highway, and

(ii) forms either the principal elevation or a side elevation of the dwellinghouse.