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Planning application

Garden Flat 25 Lancaster Grove London NW3 4EX

Awaiting decision Camden 2026/3432/P Approval of Details

Works: Trees

Relates to 2025/5477/P

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Green roof details and tree protection details required by conditions 3 and 4 of planning permission reference 2025/5477/P granted 14/05/2026 for the erection of a garden room at rear.

As published by the council, reference 2026/3432/P

Application record

Reference
2026/3432/P
Type
Approval of Details
Status
Registered
Received
11 Aug 2026
Validated
20 Aug 2026
Ward
Belsize
Postcode
NW3 4EX

Site history

Applications at this address on the Camden register

This site has had 3 applications since 2025: 1 approved, 0 refused.

  • 2026/3587/06BGP Awaiting decision

    Garden Flat 25 Lancaster Grove London NW3 4EX

    Biodiversity Gain Plan (BGP) required by planning permission reference 2025/5477/P granted 14/05/2026 for the erection of a garden room at rear.

    Submitted 11 Aug 2026
  • 2025/5477/P Granted

    Garden Flat 25 Lancaster Grove London NW3 4EX

    Erection of a garden room at rear

    Decided 14 May 2026 Full applications

Timeline

Dates from the published record

  1. 11 Aug 2026

    Received by Camden

  2. 20 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 22 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 15 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Camden took a median of 42 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 2025/5477/P Granted

    Garden Flat 25 Lancaster Grove London NW3 4EX

    Erection of a garden room at rear

    Decided 14 May 2026 Full applications

Documents

Plans, drawings, consultee responses and the officer's report

11 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

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

  • 25 Lancaster Grove London NW3 4EX

    2012/2698/P 0m away

    Change of use from six self-contained flats to a single-family dwellinghouse (Class C3).

    Refused Full applications New dwelling
    Domestic
  • Garden Flat 25 Lancaster Grove London NW3 4EX

    2025/5477/P Submitted 2 Dec 2025 0m away

    Erection of a garden room at rear

    Granted Full applications 16 docs
  • 25 Lancaster Grove London NW3 4EX

    2015/0356/P 0m away

    Single storey rear extension to lower ground floor; creation of a rear roof terrace to ground floor flat; enlargement of lower ground floor unit to a 3 bed flat and ground floor unit to a 2 bed flat; additional side windows at lower ground floor level and associated works.

    Granted Full applications Extension Windows or glazing
    Small domestic
  • Garden Flat 25 Lancaster Grove London NW3 4EX

    2026/3587/06BGP Submitted 11 Aug 2026 0m away

    94% historically approved · decision due ~15 Oct

    Biodiversity Gain Plan (BGP) required by planning permission reference 2025/5477/P granted 14/05/2026 for the erection of a garden room at rear.

    Awaiting decision 5 docs
  • 25 Lancaster Grove London NW3 4EX

    2015/3412/P 0m away

    Proposed conversion of 1no. one-bedroom flat and 1no. studio flat into 1no. two-bedroom flat at first floor level.

    Granted Full applications
  • 25 Lancaster Grove London NW3 4EX

    2014/0360/P 0m away

    Conversion of lower ground floor and ground floor flats (1 x 1 bed and 1 x 2 bed) to a 4 bed maisonette and erection of single storey lower ground floor rear extension.

    Granted Full applications New dwelling Extension
    Small domestic

In Camden

  • 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.

    16 Jun 2026 Full applications
  • 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.

    4 Sep 2026 Full applications
  • 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)

    31 Jul 2026 Full applications
  • 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”

    9 Feb 2026 Full applications
  • 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.

    3 Sep 2026 Full applications