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 42 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 56 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 500 metres
-
49 Lancaster Grove London NW3 4HB
Installation of 2no. air conditioning condenser units with acoustic enclosure in rear garden.
Granted Householder 23 docsDomestic -
-
49 Lancaster Grove London NW3 4HB
REAR GARDEN: 4 x Limes - Re- pollard to previous points.
Granted Trees -
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.
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
Other full applications
In Camden
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2026/2516/P Withdrawn
31 Loveridge Road London Camden NW6 2DU
Amalgamation of the existing three self-contained one-bedroom flats into a single-family dwelling house; demolition and replacement of existing outrigger; erection of a single-storey rear wrap-around extension; erection of a rear dormer extension; creation of a roof terrace above outrigger; replacement of existing windows with timber double glazed units; installation of rooflights to front roofslope; and installation of an air source heat pump in rear garden.
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2026/3830/P Awaiting decision
Euston Tower 286 Euston Road London NW1 3DP
Deed of variation to allow more flexibility with Affordable housing payments for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, café and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.
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2026/3282/P Granted
5 Berkley Road London NW1 8XX
Installation of 1no. above ground gas riser from the basement flat to the meter box at first floor (retrospective)
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2026/0483/P Granted
100 Avenue Road London NW3 3HF
Discharge of details for condition 47 (surface water run off details) of planning permission 2026/0404/P granted on 19/06/2026 for " Variation of conditions (2 plan numbers); 8 (quantum of commercial space); 13 (commercial windows); 15 (Wind Microclimate); 19 (commercial windows); 24 (Air quality); 34 (development quantum); 40 (Circular Economy); 44 (designing out crime); 45 (Fire Strategy); 46 (SuDS); 48 (Community facility removed), 48 (wheelchair units), 49 (TfL health and safety) to planning permission ref. 2025/0852/P (for demolition of building and provision of a mixed-use residential-led development) to secure alterations to the external appearance; internal residential and commercial space layouts; omission of community floorspace and increased affordable housing provision; cycle and car parking; hard and soft landscaping, and other associated amendments”
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2026/2697/P 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.