Planning application
Boncara 35 Templewood Avenue London NW3 7UY
Works: Extension
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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.
As published by the council, reference 2017/4549/L
Application record
- Reference
- 2017/4549/L
- Category
- Heritage and listed buildings
- Status
- Final Decision
- Decision
- Granted
- Decided
- 11 Jun 2018
- 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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2025/3690/P Granted
Boncara 35 Templewood Avenue London NW3 7UY
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
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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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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
-
11 Jun 2018
Decision issued: Granted
-
22 Jul 2026
Added to PlanIndex
What this grant of permission means
Camden granted permission on 11 June 2018, 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
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
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
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
Other heritage and listed building applications
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.
-
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.
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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.
-
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.
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2026/2202/L Refused
4 Hampstead Square London NW3 1AB
Erection of conservatory to front elevation.