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Planning application

Boncara 35 Templewood Avenue London NW3 7UY

Granted Camden 2025/3690/P Variation or Removal of Condition(s)

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.

  • 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.

    Decided 16 May 2024 Trees
  • 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.

    Decided 16 May 2024 Trees
  • 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.

    Decided 16 Jun 2022 Heritage and listed buildings
  • 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.

    Decided 16 Jun 2022 Full applications
  • 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.

    Decided 4 Sep 2019 Full applications
  • 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.

    Decided 4 Sep 2019 Heritage and listed buildings
  • 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.

    Decided 11 Jun 2018 Full applications
  • 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.

    Decided 11 Jun 2018 Heritage and listed buildings

Timeline

Dates from the published record

  1. 21 Aug 2025

    Received by Camden

  2. 4 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 28 Oct 2025

    Decision issued: Granted

  4. 9 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 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.

    Decided 14 Jul 2025 Full applications

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 documents

What 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

  • Boncara 35 Templewood Avenue London Camden NW3 7UY

    2024/2910/P 0m away

    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

    2020/1115/L 0m away

    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 Demolition
    Domestic
  • Boncara 35 Templewood Avenue London NW3 7UY

    2024/1593/T Submitted 22 Apr 2024 0m away

    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

    2024/1588/T Submitted 22 Apr 2024 0m away

    (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

    2017/4498/P 0m away

    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

    2017/4549/L 0m away

    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

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.

    4 Sep 2026 Amendments
  • 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.

    18 Jun 2026 Amendments
  • 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.

    6 Aug 2026 Amendments
  • 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.

    3 Sep 2026 Amendments
  • 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

    22 Jun 2026 Amendments