B.2 Development is not permitted by Class B(a) if—E+W
(a)the height of any building would be increased;
(b)the cubic content of the original building would be increased by more than [F125%];
(c)any part of any new building would be more than 30 metres from the original building;
(d)it would consist of the extension or provision of any agricultural building on an established agricultural unit (as defined in paragraph X of Part 3 (changes of use) of this Schedule) where development under Class Q or S of Part 3 (changes of use) of this Schedule has been carried out within a period of 10 years ending with the date on which development under Class B(a) begins;
(e)the development would involve the extension, alteration or provision of a dwelling;
(f)any part of the development would be carried out within 5 metres of any boundary of the unit; or
(g)the ground area of any building extended by virtue of Class B(a) would exceed [F21,250 square metres] .
Textual Amendments
F1Word in Sch. 2 Pt. 6 Class B para. B.2(b) substituted (21.5.2024) by The Town and Country Planning (General Permitted Development etc.) (England) (Amendment) Order 2024 (S.I. 2024/579), arts. 1(b), 8(3)(a) (with art. 10)
F2Words in Sch. 2 Pt. 6 Class B para. B.2(g) substituted (21.5.2024) by The Town and Country Planning (General Permitted Development etc.) (England) (Amendment) Order 2024 (S.I. 2024/579), arts. 1(b), 8(3)(b) (with art. 10)