The Town and Country Planning (General Permitted Development) (England) Order 2015

Class O – offices to dwellinghouses

Permitted development

O.  Development consisting of a change of use of a building and any land within its curtilage from a use falling within Class B1(a) (offices) of the Schedule to the Use Classes Order, to a use falling within Class C3 (dwellinghouses) of that Schedule.

Development not permitted

O.1  Development is not permitted by Class O if—

(a) the building is on article 2(5) land;

(b) the building was not used for a use falling within Class B1(a) (offices) of the Schedule to the Use Classes Order—

(i) on 29th May 2013, or

(ii) in the case of a building which was in use before that date but was not in use on that date, when it was last in use;

(c) the use of the building falling within Class C3 (dwellinghouses) of that Schedule was begun after 30th May 2016;

(d) the site is, or forms part of, a safety hazard area;

(e) the site is, or forms part of, a military explosives storage area;

(f) the building is a listed building or is within the curtilage of a listed building; or

(g) the site is, or contains, a scheduled monument.

Conditions

O.2  Development under Class O is permitted subject to the condition that before beginning the development, the developer must apply to the local planning authority for a determination as to whether the prior approval of the authority will be required as to—

(a) transport and highways impacts of the development;

(b) contamination risks on the site; and

(c) flooding risks on the site,

and the provisions of paragraph W (prior approval) apply in relation to that application.