SCHEDULE 2

PART 1DEVELOPMENT WITHIN THE CURTILAGE OF A DWELLINGHOUSE

Class B

Permitted developmentB

The enlargement of a dwellinghouse consisting of an addition or alteration to its roof.

Development not permittedB.1

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 fronts any highway;

c

it would increase the cubic content of the dwellinghouse by more than 40 cubic metres, in the case of a terrace house, or 50 cubic metres in any other case;

d

the cubic content of the resulting building would exceed the cubic content of the original dwellinghouse—

i

in the case of a terrace house by more than 50 cubic metres or 10%, whichever is the greater,

ii

in any other case, by more than 70 cubic metres or 15%, whichever is the greater, or

iii

in any case, by more than 115 cubic metres; or

e

the dwellinghouse is on article 1(5) land.