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Paragraph B.1 Development not permitted

Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:

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 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.