Planning application
Lief House 3 Sumpter Close London NW3 5HR
Works: New dwelling
Relates to 2025/1982/P
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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.
As published by the council, reference 2025/5315/P
Application record
- Reference
- 2025/5315/P
- Type
- Non Material Amendments
- Status
- Final Decision
- Decision
- Granted
- Received
- 24 Nov 2025
- Validated
- 25 Nov 2025
- Decided
- 16 Dec 2025
- Ward
- Belsize
- Decision by
- Delegated
- 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.
-
2025/5786/P Awaiting decision
Lief House 3 Sumpter Close London NW3 5HR
New external facade and installation of new windows and doors, including solar shading.
-
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
-
24 Nov 2025
Received by Camden
-
25 Nov 2025
Validated
Checked as complete and ready for consideration.
-
16 Dec 2025
Decision issued: Granted
-
9 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
-
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).
Documents
Plans, drawings, consultee responses and the officer's report
14 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Camden granted permission on 16 December 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Lief House 3 Sumpter Close London NW3 5HR
91% 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 77 docs -
Lief House 3 Sumpter Close London NW3 5HR
91% historically approved · decision due ~18 Feb
New external facade and installation of new windows and doors, including solar shading.
Awaiting decision Full applications Windows or glazing 19 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 -
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 amendment applications
In Camden
-
2026/3509/P Awaiting decision
Flat A 55 Leverton Street London NW5 2NX
Non-material amendment to planning permission 2026/0413/P dated 12/05/2026 (Erection of a single storey side and rear extension, re-construction of rear garden boundary wall, replacement of a ground floor rear window with an access door, replacement of a side door with a window, insertion of two rooflights and reinstatement of front sash windows), namely to reduce the depth of the side element of the approved extension.
-
2026/2540/P Granted
50-51 Russell Square London WC1B 4JP
Non-material amendment to planning permission ref. 2023/5470/P (dated 13/03/2025) for: Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension. NAMELY for alterations to the front lightwell, ground floor entrances, fifth floor fenestration, plant enclosure, and rear terrace.
-
2026/3341/P Granted
Flat A 71 Fitzjohn's Avenue London NW3 6PD
Non-material amendment to planning permission 2025/2351/P dated 30/07/2025 (Various external works including refurbishment and alterations to rear elevation fenestration and entrance door, replacement of existing single glazed windows with double glazed windows and alterations to side elevation fenestration, and re-landscaping works to rear garden), namely to alter the design of the rear doors and replace an existing timber louvre with brickwork to side elevation.
-
2026/3097/P Awaiting decision
7 Belsize Park Gardens London NW3 4LB
Non-material amendment to planning permission ref. 2025/5424/P dated 06/05/2026 for 'front alterations including reduction of length of metal railings and widening of opening for access to bins, installation of tiling to new entrance steps, installation of door to storage area & handrail to Flat A, and alterations to side boundary doorway', namely, to change the material for the new entrance steps and front paving.
-
2026/2606/P Granted
Chester Road Hostel 2 Chester Road London N19 5BP
Non-material amendments to planning permission 2020/3461/P dated 11/05/2021 (for: Redevelopment of the site to include demolition of existing hostel building and the erection of a new hostel building (sui generis) formed of 3 x part 3, part 4 storey blocks with 2 x external stairwells arranged around a central courtyard. Associated works include installation of plant equipment, access arrangements and tree and landscaping works) NAMELY re-design and re-positioning of the boundary treatment near the site entrance and erection of retaining wall and balustrade in connection with revisions to ramp access to bin store