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Planning application

4 Sussex Street London SW1V 4RS

Awaiting decision Westminster 26/05978/FULL Full applications

Works: Windows or glazing

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

Proposal

Replacement of existing single glazed timber framed sash windows to front and side elevations with double glazed timber framed sash windows. Replacement of existing single glazed timber framed sash and casement windows with double glazed timber framed sash and casement windows. Replacement of existing single glazed timber framed door with a double glazed timber framed door.

As published by the council, reference 26/05978/FULL

Application record

Reference
26/05978/FULL
Category
Full applications
Status
Pending
Received
2 Sep 2026
Validated
9 Sep 2026
Postcode
SW1V 4RS

Timeline

Dates from the published record

  1. 2 Sep 2026

    Received by Westminster

  2. 9 Sep 2026

    Validated

    Checked as complete and ready for consideration.

  3. 11 Sep 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 4 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Westminster took a median of 65 days over the applications it decided in the last year.

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 91 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

  • 1 Sussex Street London SW1V 4RZ

    26/04924/FULL Submitted 23 Jul 2026 37m away

    87% historically approved · decision due ~17 Sep

    Erection of mansard extension and new side window at second floor level.

    Decided Full applications Extension Loft or dormer +1

  • 1 Sussex Street London SW1V 4RZ

    26/04925/FULL Submitted 23 Jul 2026 37m away

    87% historically approved · decision due ~17 Sep

    Erection of a side infill at raised ground floor level and terrace over at first floor level, with replacement window to single door.

    Decided Full applications Extension Windows or glazing

  • 1 Sussex Street London SW1V 4RZ

    26/02525/FULL Submitted 16 Apr 2026 37m away

    87% historically approved · decision due ~11 Jun

    Variation of condition 1 of planning permission dated 3rd June 2024 (RN:24/01644/FULL) for the Erection of mansard roof extension including new conservation rooflight; raising existing parapet at rear elevation, associated works. Namely, side window being moved to not clash with new stairs as much, and replaced with larger window to match existing adjacent window (cill dropped) and to be clear slimlite glazed painted timber framed sash window with integral glazing bars, white internal spacers and no trickle vents.

    Awaiting decision Full applications Extension Loft or dormer +1 19 docs

  • 2 Sussex Street London SW1V 4RU

    26/02491/FULL Submitted 15 Apr 2026 45m away

    87% historically approved · decision due ~10 Jun

    Infill extension to front/side lightwell at lower ground floor level, excavation beneath four existing vaults, creation of new windows and door and installation of new stairs to front basement lightwell

    Awaiting decision Full applications Extension Windows or glazing 20 docs

  • Flat 1 81 Alderney Street London SW1V 4HF

    22/03804/FULL Submitted 10 Jun 2022 51m away

    Replacement door and windows to rear elevation, and raising height of parapet and replacement railings around rear third floor terrace. (Flat 1).

    Granted Full applications Windows or glazing 23 docs

  • 48 Winchester Street London SW1V 4NF

    07/10289/FULL Submitted 26 Nov 2007 51m away

    Replacement of existing windows with double glazed timber sash windows.

    Granted Full applications Windows or glazing 7 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06234/FULL Awaiting decision

    40 Grosvenor Place London SW1X 7HJ

    Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/06249/FULL Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/03576/FULL Decided

    15A Devonshire Terrace London W2 3DW

    Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

    Received 1 Jun, published by the council 11 Sep 2026 Full applications