Planning application
49 Lancaster Grove London NW3 4HB
Works: Extension
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Excavation of basement extension and installation of front lightwell.
As published by the council, reference 2025/2119/P
Application record
- Reference
- 2025/2119/P
- Category
- Full applications
- Status
- Registered
- Postcode
- NW3 4HB
Site history
Applications at this address on the Camden register
This site has had 9 applications since 2011: 8 approved, 0 refused.
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2025/5333/P Granted
49 Lancaster Grove London NW3 4HB
Non-material amendment to planning permission 2025/2119/P dated 09/10/2025 for 'Excavation of basement extension and installation of front lightwell'. NAMELY: to reduce the size of the basement and omit the front lightwell.
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2025/4393/P Granted
49 Lancaster Grove London NW3 4HB
Installation of 2no. air conditioning condenser units with acoustic enclosure in rear garden.
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2025/2403/P Granted
49 Lancaster Grove London NW3 4HB
Replacement of single storey rear extension, raising of main roof ridge, formation of roof infill extension and sunken roof terrace, reconstruction and reinstatement of chimneys, replacement windows and installation of double height stained glass window to side elevation, installation of rooflights, formation of side entrance door, enlargement of rear dormers and associate facade repair works.
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2021/4980/T Granted
49 Lancaster Grove London NW3 4HB
REAR GARDEN: 1 x Maple - Fell to ground level.
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2019/4872/T Granted
49 Lancaster Grove London NW3 4HB
REAR GARDEN: 4 x Limes - Re- pollard to previous points.
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2019/1901/T Granted
49 Lancaster Grove London NW3 4HB
REAR GARDEN: 1 x Lime (T1) - Crown reduce to most recent reduction points Reduce the main stems by 4m. 1 x Lime (T2) - Crown reduce to most recent reduction points Reduce the main stems by 4m. 1 x Lime (T3) - Crown reduce to most recent reduction points Reduce the main stems by 6-7m. 1 x Lime (T4) - Crown reduce to most recent reduction points Reduce the main stems by 4m.
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2013/2723/T Granted
49 Lancaster Grove London NW3 4HB
REAR GARDEN: 1 x Purple Plum - Fell to ground level. 1 x Whitebeam - Reduce crown height by 15%. Reduce spread to balance and shape. 3 x Lime - Reduce crown height by 33%. 1 x Lime - Reduce crown height by 50%. 1 x Maple - Reduce crown height by 20%. Reduce spread to balance and shape.
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2011/1871/T Granted
49 Lancaster Grove London NW3 4HB
REAR GARDEN: 1 x Maple - Remove top part of a branch overhanging neighbouring garden.
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
1 later application on the register refers to this one:
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2025/5333/P Granted
49 Lancaster Grove London NW3 4HB
Non-material amendment to planning permission 2025/2119/P dated 09/10/2025 for 'Excavation of basement extension and installation of front lightwell'. NAMELY: to reduce the size of the basement and omit the front lightwell.
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
-
49 Lancaster Grove London NW3 4HB
Installation of 2no. air conditioning condenser units with acoustic enclosure in rear garden.
Granted Householder 23 docsDomestic -
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49 Lancaster Grove London NW3 4HB
REAR GARDEN: 4 x Limes - Re- pollard to previous points.
Granted Trees -
49 Lancaster Grove London NW3 4HB
Non-material amendment to planning permission 2025/2119/P dated 09/10/2025 for 'Excavation of basement extension and installation of front lightwell'. NAMELY: to reduce the size of the basement and omit the front lightwell.
Granted Amendments Extension 6 docs -
49 Lancaster Grove London NW3 4HB
Replacement of single storey rear extension, raising of main roof ridge, formation of roof infill extension and sunken roof terrace, reconstruction and reinstatement of chimneys, replacement windows and installation of double height stained glass window to side elevation, installation of rooflights, formation of side entrance door, enlargement of rear dormers and associate facade repair works.
Granted Full applications Extension Loft or dormer +1Small domestic -
49 Lancaster Grove London NW3 4HB
REAR GARDEN: 1 x Purple Plum - Fell to ground level. 1 x Whitebeam - Reduce crown height by 15%. Reduce spread to balance and shape. 3 x Lime - Reduce crown height by 33%. 1 x Lime - Reduce crown height by 50%. 1 x Maple - Reduce crown height by 20%. Reduce spread to balance and shape.
Granted Trees
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.