M.1 Development is not permitted by Class M—
(a)if the cumulative gross floor space of any buildings erected, extended or altered would exceed—
(i)25% of the gross floor space of the original school, college, university or hospital buildings; or
[F1(ii)in the case of a school, 250 square metres and in all other cases, 100 square metres,]
whichever is the lesser;
(b)[F2in the case of a college, university or hospital building,] if any part of the development would be within 5 metres of a boundary of the curtilage of the premises;
[F3(ba)in the case of a school, where any land adjacent to the site is used for a purpose within Part C of the Schedule to the Use Classes Order (residential purposes), if any part of the proposed development is within 5 metres of the boundary of the curtilage of that residential land;]
(c)if, as a result of the development, any land used as a playing field at any time in the 5 years before the development commenced and remaining in this use could no longer be so used;
(d)if the height of any new building erected would exceed 5 metres;
(e)if the height of the building as extended or altered would exceed—
(i)if within 10 metres of a boundary of the curtilage of the premises, 5 metres; or
(ii)in all other cases, the height of the building being extended or altered;
(f)if the development would be within the curtilage of a listed building; or
(g)unless—
(i)in the case of school, college or university buildings, the predominant use of the existing buildings on the premises is for the provision of education;
(ii)in the case of hospital buildings, the predominant use of the existing buildings on the premises is for the provision of any medical or health services.
Textual Amendments
F1Sch. 2 Pt. 7 Class M para. M.1(a)(ii) substituted (6.4.2017) by The Town and Country Planning (General Permitted Development) (England) (Amendment) Order 2017 (S.I. 2017/391), arts. 1, 6(a) (with art. 8)
F2Words in Sch. 2 Pt. 7 Class M para. M.1(b) inserted (6.4.2017) by The Town and Country Planning (General Permitted Development) (England) (Amendment) Order 2017 (S.I. 2017/391), arts. 1, 6(b) (with art. 8)
F3Sch. 2 Pt. 7 Class M para. M.1(ba) inserted (6.4.2017) by The Town and Country Planning (General Permitted Development) (England) (Amendment) Order 2017 (S.I. 2017/391), arts. 1, 6(c) (with art. 8)