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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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.
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 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
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
-
2026/0825/L Granted
88 Frognal London NW3 6XB
Discharge of condition 4 (a) Plan, elevation and section drawings of all new internal doors at a scale of 1:10 with typical moulding and architrave details at a scale of 1:1. b) Plan, elevation and section drawings, including jambs, head and cill, of all new windows and doors, including garage doors and windows, at a scale of 1:10 with typical glazing bar details at 1:1) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)
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2026/2946/L Awaiting decision
Flat 1, 73 Eton Avenue London NW3 3EU
Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.
-
2026/3754/L Awaiting decision
10 Great Ormond Street London Camden WC1N 3RB
Coversion of 3 flats into 4 and internal alterations to the listed building
-
2026/2194/L Withdrawn
Dunboyne Road Estate Dunboyne Road London NW3 2YY
Installation of Air Source and Water Source Heat Pumps in basement car park with associated acoustic and security enclosures; installation of PV Panels on roof of Blocks 1, 2 and 3; removal of existing gas boilers and associated plant; installation of a new estate-wide heating network including Heat Interface Units, radiators, pipework and associated infrastructure to serve Flats 1-71; excavation of trenches and installation of below-ground heating, water and electrical infrastructure; and associated ancillary works.
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2026/3773/L Awaiting decision
47 Kelly Street London NW1 8PG
Replacement of concrete roof tiles with slate roof tiles (Retrospective)