Planning application
Boncara 35 Templewood Avenue London NW3 7UY
Works: Extension
Relates to 2024/5652/P
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Variation of Condition 6 (preventing use of ASHP for cooling) of planning permission 2024/5652/P (dated 14/07/2025) for removal of existing curved roof and canopy to eastern wing, extension at first floor level of east wing, installation of plant and ASHP and refurbishment of listed swimming pool; namely, to allow the use of the ASHP for cooling
As published by the council, reference 2025/3690/P
Application record
- Reference
- 2025/3690/P
- Type
- Variation or Removal of Condition(s)
- Status
- Final Decision
- Decision
- Granted
- Received
- 21 Aug 2025
- Validated
- 4 Sep 2025
- Decided
- 28 Oct 2025
- Ward
- Frognal
- Decision by
- Delegated
- Postcode
- NW3 7UY
Site history
Applications at this address on the Camden register
This site has had 9 applications since 2018: 7 approved, 2 refused.
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2024/1593/T Granted
Boncara 35 Templewood Avenue London NW3 7UY
ON STREET AT SIDE: 1 x London Plane (T3) - Prune back on the south side only to an overhang over the site of not less than 1.5m. REAR GARDEN: 1 x Honey Locust (Gleditsia triacanthos) (T5) - Fell to ground level including stump. 1 x Gum (T6) - Fell to ground level including stump. 1 x Gum (T7) - Fell to ground level including stump.
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2024/1588/T Granted
Boncara 35 Templewood Avenue London NW3 7UY
(TPO REF:16H-T42) FRONT GARDEN: 1 x English Oak (T2) - Prune to the proposed crown line indicated on plan would entail cuts of no more than 100mm diameter; prune to suitable side growth not less than one-third of the diameter of the parent branch.
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2020/1115/L Granted
Boncara 35 Templewood Avenue London NW3 7UY
Demolition of existing dwelling house and erection of new 3 storey single dwelling house with basement. Refurbishment of retained Listed swimming pool. Creation of a new vehicular access to proposed basement level via West Heath Road. Associated landscaping including reinstatement of earth mound around retained swimming pool building.
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2020/1025/P Granted
Boncara 35 Templewood Avenue London NW3 7UY
Demolition of existing dwelling house and erection of new 3 storey single dwelling house with basement. Refurbishment of retained Listed swimming pool. Creation of a new vehicular access to proposed basement level via West Heath Road. Associated landscaping including reinstatement of earth mound around retained swimming pool building.
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2018/1295/P Refused
Boncara 35 Templewood Avenue London NW3 7UY
Demolition and relocation of the Grade II listed swimming pool to the north west of the garden, associated excavation of the garden level and ground floor/basement infill extension to the house.
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2018/3816/L Refused
Boncara 35 Templewood Avenue London NW3 7UY
Demolition and relocation of the Grade II listed swimming pool to the north west of the garden, associated excavation of the garden level and ground floor/basement infill extension to the house.
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2017/4498/P Granted
Boncara 35 Templewood Avenue London NW3 7UY
Excavation of new basement level; erection of 2 storey extension to south east corner of the site to join the south and east wings; erection of new lift/stairwell to the eastern elevation of the south wing up to third floor level, extension of south wing 3rd floor level; installation of car lift to east elevation; refurbishment of listed swimming pool and associated landscaping.
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2017/4549/L Granted
Boncara 35 Templewood Avenue London NW3 7UY
Excavation of new basement level; erection of 2 storey extension to south east corner of the site to join the south and east wings; erection of new lift/stairwell to the eastern elevation of the south wing up to third floor level, extension of south wing 3rd floor level; installation of car lift to east elevation; refurbishment of listed swimming pool and associated landscaping.
Timeline
Dates from the published record
-
21 Aug 2025
Received by Camden
-
4 Sep 2025
Validated
Checked as complete and ready for consideration.
-
28 Oct 2025
Decision issued: Granted
-
9 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
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2024/5652/P Granted
Boncara 35 Templewood Avenue London Camden NW3 7UY
Removal of existing curved roof form and open metal canopy to eastern wing. Erection of extension at first floor level to eastern wing. Installation of plant and ASHP within existing sunken garden area. Refurbishment and works to retained Listed swimming pool to enable re-use as swimming pool. Associated landscaping including reinstatement of earth mound around retained swimming pool building.
Documents
Plans, drawings, consultee responses and the officer's report
6 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 28 October 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
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Boncara 35 Templewood Avenue London Camden NW3 7UY
Replacement of all external windows (with bronze aluminium framed windows); two proposed windows to the west elevation
Granted Full applications Windows or glazing -
Boncara 35 Templewood Avenue London NW3 7UY
Demolition of existing dwelling house and erection of new 3 storey single dwelling house with basement. Refurbishment of retained Listed swimming pool. Creation of a new vehicular access to proposed basement level via West Heath Road. Associated landscaping including reinstatement of earth mound around retained swimming pool building.
Granted Heritage and listed buildings DemolitionDomestic -
Boncara 35 Templewood Avenue London NW3 7UY
ON STREET AT SIDE: 1 x London Plane (T3) - Prune back on the south side only to an overhang over the site of not less than 1.5m. REAR GARDEN: 1 x Honey Locust (Gleditsia triacanthos) (T5) - Fell to ground level including stump. 1 x Gum (T6) - Fell to ground level including stump. 1 x Gum (T7) - Fell to ground level including stump.
Granted Trees 4 docs -
Boncara 35 Templewood Avenue London NW3 7UY
(TPO REF:16H-T42) FRONT GARDEN: 1 x English Oak (T2) - Prune to the proposed crown line indicated on plan would entail cuts of no more than 100mm diameter; prune to suitable side growth not less than one-third of the diameter of the parent branch.
Granted Trees 4 docs -
Boncara 35 Templewood Avenue London NW3 7UY
Excavation of new basement level; erection of 2 storey extension to south east corner of the site to join the south and east wings; erection of new lift/stairwell to the eastern elevation of the south wing up to third floor level, extension of south wing 3rd floor level; installation of car lift to east elevation; refurbishment of listed swimming pool and associated landscaping.
Granted Full applications Extension -
Boncara 35 Templewood Avenue London NW3 7UY
Excavation of new basement level; erection of 2 storey extension to south east corner of the site to join the south and east wings; erection of new lift/stairwell to the eastern elevation of the south wing up to third floor level, extension of south wing 3rd floor level; installation of car lift to east elevation; refurbishment of listed swimming pool and associated landscaping.
Granted Heritage and listed buildings Extension
Other amendment applications
In Camden
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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.
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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.
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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.
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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.
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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