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Planning application

40 Leighton Road London NW5 2QE

Granted Camden 2026/0535/P Approval of Details

Works: Extension Loft or dormer Windows or glazing Trees

Relates to 2024/5150/P

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Details for Conditions 4 (Tree Protection) and 6 (Green Roof) for application 2024/5150/P (dated 30/12/2024) for 'Erection of a first floor rear extension with rear window, new window and green roof at first floor level, new front railings, new juliette blacony to the rear, replacement of windows to the front and rear, new rooflights on the rear roofslope and alterations to fenestrations.'

As published by the council, reference 2026/0535/P

Application record

Reference
2026/0535/P
Type
Approval of Details
Status
Final Decision
Decision
Granted
Received
10 Feb 2026
Validated
17 Feb 2026
Decided
25 Feb 2026
Ward
Kentish Town South
Decision by
Delegated
Postcode
NW5 2QE

Site history

Applications at this address on the Camden register

This site has had 7 applications since 2021: 7 approved, 0 refused.

  • 2026/2536/P Granted

    40 Leighton Road London NW5 2QE

    Details for partial discharge of condition 5 (Part B) (Materials) for planning application 2024/5150/P dated 30/12/2024 for 'Erection of a first floor rear extension with rear window, new window and green roof at first floor level, new front railings, new juliette blacony to the rear, replacement of windows to the front and rear, new rooflights on the rear roofslope and alterations to fenestrations.'

    Decided 1 Jul 2026 Full applications
  • 2026/1450/P Granted

    40 Leighton Road London NW5 2QE

    Partial discharge for details pursuant to Condition 5 (Materials) (Parts A and C) for application 2024/5150/P (dated 30/12/2024) for 'Erection of a first floor rear extension with rear window, new window and green roof at first floor level, new front railings, new juliette blacony to the rear, replacement of windows to the front and rear, new rooflights on the rear roofslope and alterations to fenestrations.'

    Decided 14 May 2026 Full applications
  • 2024/5150/P Granted

    40 Leighton Road London NW5 2QE

    Erection of a first floor rear extension with rear window, new window and green roof at first floor level, new front railings, new juliette blacony to the rear, replacement of windows to the front and rear, new rooflights on the rear roofslope and alterations to fenestrations.

    Decided 30 Dec 2024 Full applications
  • 2021/2410/P Granted

    40 Leighton Road London NW5 2QE

    External alterations including basement excavation and rear extension with front lightwell and railings, installation of bifold crittall doors and skylight to rear basement level extension, new sash windows to rear elevation.

    Decided 17 Jan 2024 Full applications
  • 2022/3173/T Granted

    40 Leighton Road London NW5 2QE

    REAR GARDEN: 1 x Elder - Fell to ground level.

    Decided 9 Sep 2022 Trees
  • 2021/2755/T Granted

    40 Leighton Road London NW5 2QE

    REAR GARDEN: 1 x Elder - Fell to ground level.

    Decided 19 Jul 2021 Trees

Timeline

Dates from the published record

  1. 10 Feb 2026

    Received by Camden

  2. 17 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Feb 2026

    Decision issued: Granted

  4. 9 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 2024/5150/P Granted

    40 Leighton Road London NW5 2QE

    Erection of a first floor rear extension with rear window, new window and green roof at first floor level, new front railings, new juliette blacony to the rear, replacement of windows to the front and rear, new rooflights on the rear roofslope and alterations to fenestrations.

    Decided 30 Dec 2024 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 this grant of permission means

Camden granted permission on 25 February 2026, 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 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

  • 40 Leighton Road London NW5 2QE

    2026/2536/P Submitted 17 Jun 2026 0m away

    Details for partial discharge of condition 5 (Part B) (Materials) for planning application 2024/5150/P dated 30/12/2024 for 'Erection of a first floor rear extension with rear window, new window and green roof at first floor level, new front railings, new juliette blacony to the rear, replacement of windows to the front and rear, new rooflights on the rear roofslope and alterations to fenestrations.'

    Granted Full applications Extension Loft or dormer +1 5 docs
  • 40 Leighton Road London NW5 2QE

    2021/2410/P 0m away

    External alterations including basement excavation and rear extension with front lightwell and railings, installation of bifold crittall doors and skylight to rear basement level extension, new sash windows to rear elevation.

    Granted Full applications Extension Windows or glazing
  • 40 Leighton Road London NW5 2QE

    2022/3173/T 0m away

    REAR GARDEN: 1 x Elder - Fell to ground level.

    Granted Trees
  • 40 Leighton Road London NW5 2QE

    2026/1450/P Submitted 14 Apr 2026 0m away

    Partial discharge for details pursuant to Condition 5 (Materials) (Parts A and C) for application 2024/5150/P (dated 30/12/2024) for 'Erection of a first floor rear extension with rear window, new window and green roof at first floor level, new front railings, new juliette blacony to the rear, replacement of windows to the front and rear, new rooflights on the rear roofslope and alterations to fenestrations.'

    Granted Full applications Extension Loft or dormer +1 9 docs
  • 40 Leighton Road London NW5 2QE

    2021/2755/T 0m away

    REAR GARDEN: 1 x Elder - Fell to ground level.

    Granted Trees
  • 40 Leighton Road London NW5 2QE

    2024/5150/P 0m away

    Erection of a first floor rear extension with rear window, new window and green roof at first floor level, new front railings, new juliette blacony to the rear, replacement of windows to the front and rear, new rooflights on the rear roofslope and alterations to fenestrations.

    Granted Full applications Extension Loft or dormer +1

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