Planning application
31 Percy Street London W1T 2DD
Works: Extension
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Erection of replacement ground floor rear extension to provide additional office floorspace, formation of roof terrace at first floor level, minor external alterations to rear elevation and a new condenser unit at roof terrace level. (APPLICATION TRANSFERRED TO OSDC FOR DETERMINATION)
As published by the council, reference 2026/1635/P
Application record
- Reference
- 2026/1635/P
- Type
- Full Planning Permission
- Status
- Registered
- Received
- 23 Apr 2026
- Validated
- 29 Apr 2026
- Ward
- Bloomsbury
- Postcode
- W1T 2DD
Site history
Applications at this address on the Camden register
This site has had 4 applications since 2011: 2 approved, 1 refused.
-
2013/7572/P Granted
31 Percy Street London W1T 2DD
Erection of part one, part two storey lower ground floor rear extension to form 2 bedroom maisonette (Class C3) following demolition of existing single storey lower ground floor rear extension and associated excavation.
-
2013/4963/P Granted
31 Percy Street London W1T 2DD
Rear extension at ground and 1st floor (Class B1a office use).
-
2011/5047/P Refused
31 Percy Street London W1T 2DD
Cantilevered extension at rear first floor level of the existing office.
Timeline
Dates from the published record
-
23 Apr 2026
Received by Camden
-
29 Apr 2026
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 24 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Camden took a median of 43 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
29 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided full applications in a median of 61 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
31 Percy Street London W1T2DD
Cantilevered extension at rear first floor level of the existing office.
Refused Full applications Extension -
31 Percy Street London W1T 2DD
Erection of part one, part two storey lower ground floor rear extension to form 2 bedroom maisonette (Class C3) following demolition of existing single storey lower ground floor rear extension and associated excavation.
Granted Full applications Extension DemolitionSmall domestic -
Offices And Premises At Basement 31 Percy Street London W1T 2DD
Display of non-illuminated hanging sign.
Granted -
31 Percy Street London W1T 2DD
Cantilevered extension at rear first floor level of the existing office.
Refused Full applications Extension -
31 Percy Street London W1T 2DD
Rear extension at ground and 1st floor (Class B1a office use).
Granted Full applications Extension -
30 Percy Street London W1T 2DB
Amendment to planning permission ref 2019/4241/P dated 28/08/2020, as amended by ref 2021/1374/P dated 13/08/2021 (for External alterations including replacement rear extension at ground floor and basement level with roof terrace above, change of use of existing flat at second and third floor level to office space and use of basement level as social enterprise space), namely to replace a small glazed area within the basement roof of the approved rear extension by a solid floor.
Granted Full applications Extension Windows or glazing
Other full applications
In Camden
-
2026/0990/P Refused
1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ
Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.
-
2026/3044/P Granted
London Irish Centre 50-52 Camden Square London NW1 9XB
Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.
-
2026/4338/P Awaiting decision
32 Willoughby Road London NW3 1RU
Details to discharge condition 6 (tree protection methods) of planning permission 2025/4186/P granted 13/11/2025 for 'Demolition of existing two storey outrigger and replacement with part two-storey, part single storey rear extension, loft conversion with dormer and roof light to main roof at rear, new windows to flanking wall, replacement of existing windows and installation of a gate and fence to side'.
-
2026/4141/P Awaiting decision
24 Endell Street London WC2H 9HQ
Relocation of three air conditioning condenser units to first floor roof, construction of an acoustic enclosure and other associated works.
-
2026/3907/P Awaiting decision
Flat 1 16 Lyndhurst Road London NW3 5NL
External renovations to the front of the property, including works to the entry porch, steps, replacment front door, installation of metal railings to boundary wall and paving to front garden and erection of a glass roof to the side passage to create a bike shelter.