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Planning application

26 Langthorne Street, London, SW6 6JY

Awaiting decision Hammersmith and Fulham P/2026/01991/HH Householder Application

Works: Extension Loft or dormer Windows or glazing Small domestic

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

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

Proposal

Erection of a rear roof extension with 8no solar panels above the main flat roof at roof level; erection of a rear extension at second floor level over part of the existing back addition with 6no solar panels above the roof of the back addition; erection of a single storey rear extension, to the side and rear of the existing back addition; excavation of the front and rear garden to form lightwells in connection with the creation of a new basement; erection of a single storey outbuilding in the rear garden; installation of 3no rooflights in the front roofslope; alterations to part of the roof of back addition to incorporate a flat roof and the erection of opaque glass screens around the flat roof at second floor level to the rear elevation in connection with its use as a terrace; installation of French and a Juliet balcony to replace the existing window to the rear elevation and installation of a new window opening to the side of rear back addition at first floor level.

As published by the council, reference P/2026/01991/HH

Application record

Reference
P/2026/01991/HH
Type
Householder Application
Status
Pending As published: REGISTERED: Under Assessment
Received
3 Aug 2026
Validated
6 Aug 2026
Ward
Palace And Hurlingham
Postcode
SW6 6JY

Timeline

Dates from the published record

  1. 3 Aug 2026

    Received by Hammersmith and Fulham

  2. 6 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 9 Aug 2026

    Added to PlanIndex

  4. 22 Aug 2026

    Status changed to REGISTERED: Under Consultation

    Previously REGISTERED: Valid.

  5. 11 Sep 2026

    Status changed to REGISTERED: Under Assessment

    Previously REGISTERED: Under Consultation.

  6. Decision

    Awaiting decision

    Decision expected by 1 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Hammersmith and Fulham took a median of 80 days over the applications it decided in the last year.

Documents

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

23 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Hammersmith and Fulham for determination, against a statutory target of eight weeks. Over the last year Hammersmith and Fulham decided householder applications in a median of 86 days. More in our guide to how long planning decisions take.

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 0.3 miles

  • 4 Langthorne Street London SW6 6JY

    2018/03481/TREE Submitted 23 Oct 2018 50 yards away

    97% historically approved · decision due ~18 Dec

    Rear garden. T1) Ash x 1 (Fraxinus excelsior), re-reduce all aspects of the crown to previous pruning points.

    Awaiting decision Trees 3 docs
  • Ground Floor 44 Langthorne Street London SW6 6JY

    2018/02051/FUL Submitted 22 Jun 2018 50 yards away

    98% historically approved · decision due ~17 Aug

    Erection of a single storey rear extension to the side of the existing back addition; erection of a single storey conservatory extension to replace the existing conservatory at the rear of the property; installation of a new door to replace the existing window to the rear of bedroom at ground floor level.

    Awaiting decision Full applications Extension Windows or glazing
    Small domestic
  • 46 Langthorne Street London SW6 6JY

    2019/01039/TREE Submitted 3 Apr 2019 50 yards away

    97% historically approved · decision due ~29 May

    Rear GardenCypress - Reduce height by approx 4ft and trim lightly to tidy and shapeApple - Reduce back to most recent previous reduction points i.e. by 1-1.5m

    Awaiting decision Trees 2 docs
  • 24 Langthorne Street London SW6 6JY

    2020/01210/TREE Submitted 15 May 2020 50 yards away

    97% historically approved · decision due ~14 Jul

    rear garden Crab Apple (dead): Fell to ground level.(Flat 24a)

    Awaiting decision Trees 3 docs
  • Ground Floor 44 Langthorne Street London SW6 6JY

    2018/01488/NMAT Submitted 3 May 2018 50 yards away

    95% historically approved · decision due ~28 Jun

    Non-material amendment to planning permission ref: 2017/02313/FUL granted 21st August 2017 for the 'Erection of a single storey rear extension, to the side of the existing back addition and a replacement rear conservatory; alterations to the roof of single storey back addition.' Amendments to include alterations to the pitched roof of single storey side extension to form a flat roof, alterations to the rear elevation and to the roof of the single storey conservatory extension.

    Awaiting decision Amendments Extension Roofing
    Small domestic
  • First Floor Flat, 30 Langthorne Street, London, SW6 6JY

    P/2026/02333/TREE Submitted 9 Sep 2026 50 yards away

    97% historically approved · decision due ~20 Nov

    Crab apple - Reduce crown by approx by 1-2m and prune to contain development Olive - Reduce crown by 1-2m and prune to contain development and limit shade and debris

    Awaiting decision Trees 3 docs

In Hammersmith and Fulham

  • P/2026/01801/HH Granted

    91 Archel Road, London, W14 9QL

    Erection of a front dormer roof extension, following the removal of 3no. rooflights in the front roofslope; installation of a rooflight, on top of the main flat roof at roof level; replacement of existing slates with new slates to the main roof slopes; re-sizing and replacement of a window within existing dormer window frame to the rear roofslope; erection of raised side and rear parapet walls to the rear outrigger to facilitate the formation of a roof terrace, including obscure-glazed openings within the parapet.

    Received 15 Jul, published by the council 31 Jul 2026 Householder
  • P/2026/01914/HH Granted

    57 Mendora Road, London, SW6 7ND

    Erection of a single storey rear extension, to the side of existing back addition.

    Received 27 Jul, published by the council 2 Aug 2026 Householder
  • P/2026/02049/HH Granted

    93 Gayford Road, London, W12 9BY

    Erection of a rear roof extension, involving an increase in the ridge height by 550mm, and including installation of French doors and a Juliet balcony; erection of a single storey rear extension at ground floor level, to the side of the existing back addition; raising of roof height of flat roof of existing two storey back addition and the removal of the rear chimney; installation of 2no. rooflights to the front roof slope; enlargement and replacement of existing windows to the rear elevation.

    Received 6 Aug, published by the council 15 Aug 2026 Householder
  • P/2026/02536/HH Awaiting decision

    62 Hartismere Road, London, SW6 7UD

    Erection of 1.7m high opaque glass privacy screening around the perimeter of the flat roof above existing first floor back addition, including removal of chimney, new decking, and new parapet walls in connection with the formation of a roof terrace; removal and infilling an existing window, installation of a timber sash window and a timber single door to the rear elevation at second floor level, to provide access to the proposed roof terrace.

    Received 2 Oct, published by the council 9 Oct 2026 Householder
  • P/2026/02529/HH Awaiting decision

    12 And 13 Hammersmith Terrace, London, W6 9TS

    Replacement of 3no. existing single glazed timber framed sash windows with new double glazed timber framed sash windows, to the rear elevation at second floor level (no.13).

    Received 1 Oct, published by the council 9 Oct 2026 Householder