SCHEDULE 2Permitted development rights
PART 7Non-domestic extensions, alterations etc
Class M – extensions etc for schools, colleges, universities F3, prisons and hospitals
Development not permittedM
Development is not permitted by Class M—
F4a
if the cumulative footprint of any erection, extension or alteration under Class M on or after 21st April 2021 would exceed the greater of—
i
25% of the cumulative footprint of the school, F10college, university, prison or hospital buildings as it was on 21st April 2021; or
ii
250 square metres;
b
F2ba
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 F6exceed—
F6i
if within 10 metres of a boundary of the curtilage of the premises, 5 metres; or
ii
in all other cases, 6 metres;
F7da
if the height of any rooftop structure would exceed 1.5 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, F8the lesser of the height of the building being extended or altered or 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 F9;
F9iii
in the case of prison buildings—
aa
the predominant use of the existing buildings on the premises is for the confinement of prisoners in closed conditions;
bb
the buildings are located on a site with a closed perimeter; and
cc
the development does not involve the erection, extension or alteration of any building beyond the perimeter as it stood on 21st April 2021
Word in Sch. 2 Pt. 7 Class M heading inserted (21.4.2021) by The Town and Country Planning (General Permitted Development etc.) (England) (Amendment) Order 2021 (S.I. 2021/428), arts. 1(1), 9(2) (with art. 15(3))