Planning application
Lief House 3 Sumpter Close London NW3 5HR
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
New external facade and installation of new windows and doors, including solar shading.
As published by the council, reference 2025/5786/P
Application record
- Reference
- 2025/5786/P
- Type
- Full Planning Permission
- Status
- Registered
- Received
- 22 Dec 2025
- Validated
- 24 Dec 2025
- Ward
- Belsize
- Postcode
- NW3 5HR
Site history
Applications at this address on the Camden register
This site has had 4 applications since 2025: 2 approved, 0 refused.
-
2026/2312/P Awaiting decision
Lief House 3 Sumpter Close London NW3 5HR
Erection of a five-storey upwards extension to existing four-storey building for the provision of new self-contained residential (Class C3) units. Associated works including provision of roof level terrace and plant facility, ground level child play space, cycle store, extension of external bin store, with improved ramp and stepped access to building entrance.
-
2025/5315/P Granted
Lief House 3 Sumpter Close London NW3 5HR
Non-material amendment to planning permission ref. 2025/1982/P (dated 28/07/2025) for 'Change of use from commercial/office (Class E) to residential (Class C3) to create 20no. self-contained dwellings under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)', NAMELY for changes to the internal floorplans of the proposed flats.
-
2025/1982/P Granted
Lief House 3 Sumpter Close London NW3 5HR
Change of use from commercial/office (Class E) to residential (Class C3) to create 20no. self-contained dwellings under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
Timeline
Dates from the published record
-
22 Dec 2025
Received by Camden
-
24 Dec 2025
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 18 February 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
20 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
-
Lief House 3 Sumpter Close London NW3 5HR
92% historically approved · decision due ~14 Aug
Erection of a five-storey upwards extension to existing four-storey building for the provision of new self-contained residential (Class C3) units. Associated works including provision of roof level terrace and plant facility, ground level child play space, cycle store, extension of external bin store, with improved ramp and stepped access to building entrance.
Awaiting decision Full applications Extension 78 docs -
Lief House 3 Sumpter Close London NW3 5HR
Change of use from commercial/office (Class E) to residential (Class C3) to create 20no. self-contained dwellings under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
Granted Full applications -
3 SUMPTER CLOSE LONDON NW3 5HR
Display of four non-illuminated white metal, clear perspex notice boards on north and south elevations.
Granted -
Lief House 3 Sumpter Close London NW3 5HR
Non-material amendment to planning permission ref. 2025/1982/P (dated 28/07/2025) for 'Change of use from commercial/office (Class E) to residential (Class C3) to create 20no. self-contained dwellings under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)', NAMELY for changes to the internal floorplans of the proposed flats.
Granted Amendments New dwelling 14 docs -
122 Finchley Road London NW3 5JD
Alterations to shopfront.
Refused Full applications Windows or glazing -
122A Finchley Road London NW3 5HT
Change of use from restaurant (use class A3) to dual use takeaway (use class A5) and restaurant, with associated alterations to single storey rear extension and installation of plant equipment in rear garden structure.
Refused Full applications ExtensionSmall domestic
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.