Planning application
34 Belsize Lane London NW3 5AE
Works: Extension Windows or glazing
Relates to 2024/1219/P
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Details submitted in relation to condition 5 (hard and soft landscaping) of planning permission 2024/1219/P dated 06/08/2024 (for: Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to main roof, mechanical ventilation heat recovery and ASHP units.)
As published by the council, reference 2025/2227/P
Application record
- Reference
- 2025/2227/P
- Category
- Full applications
- Status
- Registered
- Postcode
- NW3 5AE
Site history
Applications at this address on the Camden register
This site has had 16 applications since 2018: 12 approved, 0 refused.
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2025/5718/L Granted
34 Belsize Lane London NW3 5AE
Demolition of spiral staircase and roof access structure, extension of garage and erection of wall in the garage (part retrospective).
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2025/5896/P Granted
34 Belsize Lane London NW3 5AE
Variation of condition 2 (approved drawings) of permission 2024/1219/P (for: Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to main roof, mechanical ventilation heat recovery and ASHP units) chiefly to demolish the spiral staircase and roof access structure, extend the garage and erect a wall in the garage (part retrospective).
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2025/0489/P Granted
34 Belsize Lane London NW3 5AE
Details submitted in relation to condition 6 (green/sedum roofs) and 10 (PV panels) of planning permission 2024/1219/P dated 06/08/2024 (for: Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to main roof, mechanical ventilation heat recovery and ASHP units.)
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2024/5771/L Withdrawn
34 Belsize Lane London NW3 5AE
Demolition of spiral staircase leading to the roof and erection of single-storey extension connecting the garage to the main house.
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2024/5772/P Withdrawn
34 Belsize Lane London NW3 5AE
Variation of condition 2 (approved drawings) granted under reference 2024/1219/P dated 06/08/2024 for 'Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to main roof, mechanical ventilation heat recovery and ASHP units.' The variation would demolish the spiral staircase leading to the roof and erect an extension connecting the garage to the main house.
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2024/5529/L Granted
34 Belsize Lane London NW3 5AE
Details submitted in relation to condition 4 (visible fixing manifestations) of approved application 2024/2957/L dated 11/09/2024 (for: Repair of eastern boundary wall).
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2024/3606/P Granted
34 Belsize Lane London NW3 5AE
Details submitted in relation to condition 7 (timber joinery relocation) of approved application 2023/1749/L dated 06/08/2024 (for: Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works throughout, internal alterations including opening up the kitchen to living room, new bathrooms, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to the existing main roof, mechanical ventilation heat recovery and ASHP units.)
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2024/3502/L Granted
34 Belsize Lane London NW3 5AE
Details submitted in relation to condition 5 (Historic England Level 2 recording) of approved application 2024/1759/L dated 06/07/2024 (for: Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works throughout, internal alterations including opening up the kitchen to living room, new bathrooms, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to the existing main roof, mechanical ventilation heat recovery and ASHP units.)
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2024/1219/P Granted
34 Belsize Lane London NW3 5AE
Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to main roof, mechanical ventilation heat recovery and ASHP units.
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2024/1759/L Granted
34 Belsize Lane London NW3 5AE
Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works throughout, internal alterations including opening up the kitchen to living room, new bathrooms, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to the existing main roof, mechanical ventilation heat recovery and ASHP units.
Timeline
Dates from the published record
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22 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
Camden took a median of 43 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
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2024/1219/P Granted
34 Belsize Lane London NW3 5AE
Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to main roof, mechanical ventilation heat recovery and ASHP units.
What happens while it is decided
This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided full applications in a median of 61 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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34 Belsize Lane London NW3 5AE
Demolition of spiral staircase and roof access structure, extension of garage and erection of wall in the garage (part retrospective).
Granted Heritage and listed buildings Extension Demolition 31 docs -
34 Belsize Lane London NW3 5AE
Details submitted in relation to condition 6 (green/sedum roofs) and 10 (PV panels) of planning permission 2024/1219/P dated 06/08/2024 (for: Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to main roof, mechanical ventilation heat recovery and ASHP units.)
Granted Full applications Extension Windows or glazing -
34 Belsize Lane London NW3 5AE
Details submitted in relation to condition 7 (timber joinery relocation) of approved application 2023/1749/L dated 06/08/2024 (for: Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works throughout, internal alterations including opening up the kitchen to living room, new bathrooms, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to the existing main roof, mechanical ventilation heat recovery and ASHP units.)
Granted Full applications Extension Windows or glazing -
34 Belsize Lane London NW3 5AE
REAR GARDEN: 1 x Bay (T1)- Crown thin 25-30%. 1 x Eucalyptus (T2) - Reduce height by 1m.
Granted Trees -
34 Belsize Lane London NW3 5AE
Demolition of spiral staircase leading to the roof and erection of single-storey extension connecting the garage to the main house.
Withdrawn Heritage and listed buildings Extension DemolitionSmall domestic -
34 Belsize Lane London NW3 5AE
96% historically approved
Variation of condition 4 (like-for-like fabric) to Listed Building Consent dated 06.08.2024 (ref. 2024/1759/L for: Erection of a first-floor extension with green/sedum roof and photovoltaic panels, comprehensive structural and restoration works throughout, internal alterations including opening up the kitchen to living room, new bathrooms, new glazed window/doors to garden from southern studio, landscaping works, three areas of green roof to the existing main roof, mechanical ventilation heat recovery and ASHP units) to add the words 'unless details are otherwise approved in writing by the Council'.
Awaiting decision Heritage and listed buildings Extension Windows or glazing
Other full applications
In Camden
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2026/0990/P Refused
1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ
Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.
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2026/3044/P Granted
London Irish Centre 50-52 Camden Square London NW1 9XB
Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.
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2026/4338/P Awaiting decision
32 Willoughby Road London NW3 1RU
Details to discharge condition 6 (tree protection methods) of planning permission 2025/4186/P granted 13/11/2025 for 'Demolition of existing two storey outrigger and replacement with part two-storey, part single storey rear extension, loft conversion with dormer and roof light to main roof at rear, new windows to flanking wall, replacement of existing windows and installation of a gate and fence to side'.
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2026/4141/P Awaiting decision
24 Endell Street London WC2H 9HQ
Relocation of three air conditioning condenser units to first floor roof, construction of an acoustic enclosure and other associated works.
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2026/3907/P Awaiting decision
Flat 1 16 Lyndhurst Road London NW3 5NL
External renovations to the front of the property, including works to the entry porch, steps, replacment front door, installation of metal railings to boundary wall and paving to front garden and erection of a glass roof to the side passage to create a bike shelter.