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Planning application

Boncara 35 Templewood Avenue London Camden NW3 7UY

Granted Camden 2025/0189/L Heritage and listed buildings

Works: Extension

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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.

As published by the council, reference 2025/0189/L

Application record

Reference
2025/0189/L
Category
Heritage and listed buildings
Status
Final Decision
Decision
Granted
Decided
14 Jul 2025
Postcode
NW3 7UY

Site history

Applications at this address on the Camden register

This site has had 3 applications since 2025: 3 approved, 0 refused.

  • 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
  • 2024/2910/P Granted

    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

    Decided 3 Mar 2025 Full applications

Timeline

Dates from the published record

  1. 14 Jul 2025

    Decision issued: Granted

  2. 22 Jul 2026

    Added to PlanIndex

What this grant of permission means

Camden granted permission on 14 July 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 heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Boncara 35 Templewood Avenue London Camden NW3 7UY

    2024/2910/P 50 yards 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 50 yards 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 50 yards 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 50 yards 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

    2025/3690/P Submitted 21 Aug 2025 50 yards away

    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

    Granted Amendments Extension 6 docs
  • Boncara 35 Templewood Avenue London NW3 7UY

    2017/4498/P 50 yards 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

In Camden

  • 2026/1141/L Granted

    25 John Street London WC1N 2BS

    Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.

    Received 26 Mar, published by the council 24 Jul 2026 Heritage and listed buildings
  • 2025/1781/L Granted

    Frognal Rise House Lower Terrace London NW3 6RE

    Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.

    Received 22 Apr, published by the council 22 Jul 2026 Heritage and listed buildings
  • 2026/4129/L Awaiting decision

    6 Leverton Street London NW5 2PJ

    Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

    Received 1 Oct, published by the council 9 Oct 2026 Heritage and listed buildings
  • 2026/1686/L Granted

    Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR

    External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.

    Received 19 May, published by the council 24 Jul 2026 Heritage and listed buildings
  • 2026/2202/L Refused

    4 Hampstead Square London NW3 1AB

    Erection of conservatory to front elevation.

    Received 27 May, published by the council 24 Jul 2026 Heritage and listed buildings