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Paragraph B.1 Development not permittedF1F2

Development is not permitted by Class B if—

(a)

any part of the dwellinghouse would, as a result of the works, exceed the height of the highest part of the existing roof;

(b)

any part of the dwellinghouse would, as a result of the works, extend beyond the plane of any existing roof slope which forms the principal elevation of the dwellinghouse;

(c)

any part of the dwellinghouse would, as a result of the works, extend beyond the plane of any existing roof slope which—

(i)

is comprised in a side elevation of the existing dwellinghouse; and

(ii)

is within 10.5 metres from a highway opposite the side elevation of the dwellinghouse;

(d)

the cubic content of the resulting roof space would exceed the cubic content of the original roof space by more than—

(i)

40 cubic metres in the case of a terrace house; or

(ii)

50 cubic metres in any other case;

(e)

other than in the case of a hip to gable enlargement, any part of the enlargement would be less than 20 centimetres from the eaves of the existing roof;

(f)

it would consist of or include—

(i)

the construction or provision of a veranda or raised platform ;

(ii)

the construction or provision of a balcony which—

(aa)

contains a platform of any description;

(bb)

projects from the part of the exterior of the dwellinghouse to which it is affixed by more than 30 centimetres; or

(cc)

if projected downwards in a vertical line to ground level, is within 10.5 metres of any boundary of the curtilage of the dwellinghouse opposite the relevant side elevation; or

(iii)

the construction or provision of a roof terrace, whether or not it would incorporate associated railings, fencing or other means of enclosure; or

(g)

the dwellinghouse is on article 1(5) land or within a World Heritage Site.

Annotations

Textual amendments

F1

Order revoked (E.) (15.4.2015) by The Town and Country Planning (General Permitted Development) (England) Order 2015 (S.I. 2015/596), art. 1(1), Sch. 4 para. 1 (with arts. 1(2), 8(2)(3))

F2

Sch. 2 Pt. 1 substituted (W.) (30.9.2013) by The Town and Country Planning (General Permitted Development) (Amendment) (Wales) Order 2013 (S.I. 2013/1776), arts. 1(1), 2(3), Sch.