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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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.
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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.
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.
Watch members (£5 a month) open the document list 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 0.3 miles
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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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2026/1139/P Granted
25 John Street London WC1N 2BS
Alterations to design of conservatory, windows and doors approved under planning permission 2024/0312/P dated 06/08/2024.
-
2026/4266/P Awaiting decision
Unit 3A Camden Wharf London 28 Jamestown Road NW1 7BY
Variation of the planning permission dated 15.3.1999 (Registered No PE9700702R3) for the redevelopment of the eastern part of the site by the erection of a four-storey building for mixed A1, A3 and B1 and the retention of the lock-keepers cottage as a Canal Information Centre with ancillary retail/ cafe comprising alterations to the elevations, fenestration, shopfront, balustrading, terraces, roof plant and the omission of the approved canopy over the pedestrian area as well as the discharging of part of condition 1 of the said planning permission relating to approval of details of balustrades, shopfronts, the canopy attached to the commercial building and any structure related to it.
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2026/3366/P Granted
Flat Lower Ground Floor 133 King Henry's Road London NW3 3RD
Variation of condition 2 (approved plans) of planning permission 2025/1032/P dated 23/04/2025 (which amended 2023/5117/P dated 22/03/2024 (for: Erection of single storey rear extension at lower ground floor, new windows to front and side elevations and new front door) NAMELY, changes to front elevation window and materials
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2026/4223/P Awaiting decision
6 Conybeare London NW3 3SD
Variation of Condition 2 (approved plans) of planning permission ref. 2022/2870/P, dated 13/12/2022, for the erection of a single-storey roof extension and internal roof terrace to the front part of the building, namely to regularise amendments to the approved scheme.
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2026/4045/P Granted
234 - 240 Grafton Road London NW5 4NS
Non-material amendment to planning permission 2024/4574/P granted 21/01/2026 for 'Erection of mansard roof extension to accommodate 1 x one bedroom and 1 x two bedroom dwellings; erection of a part one part two storey semi-detached one bedroom dwelling within rear garden to Dale Road; new cycle storage within rear garden, installation of 1 x ASHP in rear garden and 2 x ASHP on mansard roof of terrace, alterations to front boundary treatment.' namely to amend windows on the rear elevation of the existing building.