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Planning application

34 Lancaster Grove London NW3 4PB

Granted Camden 2025/5731/P Householder Application

Works: Extension Loft or dormer Demolition Domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Proposed two storey side extension, ground floor bay demolition and new bay extension at the front, proposed dormer to the side and alteration to the roof of the main house.

As published by the council, reference 2025/5731/P

Application record

Reference
2025/5731/P
Type
Householder Application
Status
Final Decision
Decision
Granted
Received
18 Dec 2025
Validated
30 Dec 2025
Decided
23 Mar 2026
Ward
Belsize
Decision by
Delegated
Postcode
NW3 4PB

Site history

Applications at this address on the Camden register

This site has had 9 applications since 2014: 8 approved, 0 refused.

  • 2026/3002/P Awaiting decision

    34 Lancaster Grove London NW3 4PB

    Erection of a single-storey outbuilding for use as an ancillary pottery studio, replacing the existing shed

    Submitted 17 Jul 2026 Householder
  • 2025/1748/T Granted

    34 Lancaster Grove London NW3 4PB

    DD 5 Day Notice FRONT GARDEN: 1 x Rowan (T1) - Fell to ground level.

    Decided 24 Apr 2025 Trees
  • 2024/5359/T Granted

    34 Lancaster Grove London NW3 4PB

    FRONT GARDEN: 2 x Bays (T1 & T2) - Reduce height by 3m and shape. 1 x Fig (T4) - Fell to ground level. 1 x Apple (T5) - Crown reduce by 1m.

    Decided 6 Jan 2025 Trees
  • 2024/4691/T Granted

    34 Lancaster Grove London NW3 4PB

    REAR GARDEN: 1 x Hornbeam (T1) - Reduce overhang into neighbouring property back to boundary, 2m. 1 x Bay (T2) - Reduce overhang into neighbouring property back to boundary, 2m. 1 x Cherry (T3) - Reduce overhang into neighbouring property back to boundary, 2m. 1 x Bay (T4) - Reduce overhang into neighbouring property back to boundary, 2m.

    Decided 27 Nov 2024 Trees
  • 2021/5279/T Granted

    34 Lancaster Grove London NW3 4PB

    FRONT GARDEN: 1 x Lawson Cypress (T1) - Reduce height by 2m and trim back from footpath. 1 x Lawson Cypress (T2) - Reduce height by 2m and trim back from footpath. 1 x Crab Apple (T3) - Crown Reduce by 2m. 1 x Bay (T7) - Reduce height by 3m and shape. FRONT SIDE GARDEN: 1 x Bay (T5) - Reduce to height of gutter and trim sides. 1 x Hornbeam (T6) - Reduce height by 3m back to previous points and shape.

    Decided 8 Dec 2021 Trees
  • 2018/2533/T Granted

    34 Lancaster Grove London NW3 4PB

    FRONT GARDEN: 1 x Bay- Reduce height by 4m and shape as part of regular tree maintenance. REAR GARDEN: 1x Bay and 1x Hornbeam - Reduce height to 4m as part of regular tree maintenance.

    Decided 11 Jul 2018 Trees
  • 2014/3037/T Granted

    34 Lancaster Grove London NW3 4PB

    FRONT GARDEN: 2 x Cypress - Reduce by 50%.

    Decided 30 May 2014 Trees
  • 2013/8053/T Granted

    34 Lancaster Grove London NW3 4PB

    REAR GARDEN: 1 x Euonymus, 1 x Crab Apple, 1 x Bay Laurel & 1 x Mountain Ash - Fell.

    Decided 29 Jan 2014 Trees

Timeline

Dates from the published record

  1. 18 Dec 2025

    Received by Camden

  2. 30 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 23 Mar 2026

    Decision issued: Granted

  4. 9 Aug 2026

    Added to PlanIndex

Documents

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

26 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 23 March 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 34 Lancaster Grove London NW3 4PB

    2014/3037/T 0m away

    FRONT GARDEN: 2 x Cypress - Reduce by 50%.

    Granted Trees

  • 34 Lancaster Grove London NW3 4PB

    2024/4691/T 0m away

    REAR GARDEN: 1 x Hornbeam (T1) - Reduce overhang into neighbouring property back to boundary, 2m. 1 x Bay (T2) - Reduce overhang into neighbouring property back to boundary, 2m. 1 x Cherry (T3) - Reduce overhang into neighbouring property back to boundary, 2m. 1 x Bay (T4) - Reduce overhang into neighbouring property back to boundary, 2m.

    Granted Trees

  • 34 Lancaster Grove London NW3 4PB

    2018/2533/T 0m away

    FRONT GARDEN: 1 x Bay- Reduce height by 4m and shape as part of regular tree maintenance. REAR GARDEN: 1x Bay and 1x Hornbeam - Reduce height to 4m as part of regular tree maintenance.

    Granted Trees

  • 34 Lancaster Grove London NW3 4PB

    2024/5359/T 0m away

    FRONT GARDEN: 2 x Bays (T1 & T2) - Reduce height by 3m and shape. 1 x Fig (T4) - Fell to ground level. 1 x Apple (T5) - Crown reduce by 1m.

    Granted Trees

  • 34 Lancaster Grove London NW3 4PB

    2025/1748/T 0m away

    DD 5 Day Notice FRONT GARDEN: 1 x Rowan (T1) - Fell to ground level.

    Granted Trees

  • 34 Lancaster Grove London NW3 4PB

    2021/5279/T 0m away

    FRONT GARDEN: 1 x Lawson Cypress (T1) - Reduce height by 2m and trim back from footpath. 1 x Lawson Cypress (T2) - Reduce height by 2m and trim back from footpath. 1 x Crab Apple (T3) - Crown Reduce by 2m. 1 x Bay (T7) - Reduce height by 3m and shape. FRONT SIDE GARDEN: 1 x Bay (T5) - Reduce to height of gutter and trim sides. 1 x Hornbeam (T6) - Reduce height by 3m back to previous points and shape.

    Granted Trees

In Camden

  • 2026/3635/P Awaiting decision

    9 Rosecroft Avenue London NW3 7QA

    Proposed remodelling of the rear elevation to include ground floor raised terrace, replacement balustrades, new stairs from first floor to garden level, new windows and insertion of 2no. rooflights to rear hipped roof and 1no. rooflights to existing rear flat roof.

    4 Sep 2026 Householder
  • 2026/2824/P Granted

    5 Meadowbank London Camden NW3 3AY

    Erection of a front mansard roof extension; alterations to openings on front and rear elevations including new French windows and enlarged existing windows; garage to study conversion on ground floor.

    6 Jul 2026 Householder
  • 2026/3775/P Awaiting decision

    8 Tasker Road London NW3 2YB

    Demolition of existing bin store and construction of a new part one/two storey front extension, addition of new fenestrations to the north, east and south elevations, replacement of existing windows and cladding and addition of new rooflights.

    2 Sep 2026 Householder
  • 2026/3761/P Awaiting decision

    45 Ornan Road London NW3 4QD

    Erection of a first floor rear extension above existing ground floor rear extension.

    2 Sep 2026 Householder
  • 2026/3606/P Awaiting decision

    29 Solent Road London NW6 1TP

    BOPS & M3 - 26-00348-HRET - Retrospective application for the installation of a bicycle storage unit to the front elevation

    2 Sep 2026 Householder