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Planning application

25/09315/FULL

Chelwood House Gloucester Square London W2 2SY

Granted Westminster Full Planning Permission Application

Proposal

Replacement of front and rear windows to flats 7 & 8 including balcony doors.

As published by the council, reference 25/09315/FULL

Timeline

Dates from the published record

  1. 23 Dec 2025

    Received by Westminster

  2. 27 Mar 2026

    Decision issued: Application Permitted

  3. 20 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 25/05666/FULL Awaiting decision

    Chelwood House Gloucester Square London W2 2SY

    Replacement of door and windows with installation of new doors to existing terrace to flat at third floor level (Flat 31).

    12 Aug 2025 53m away Full applications
  • 26/00784/TPO Awaiting decision

    Gardens Enclosure 107 - 161 Sussex Gardens London W2 2RX

    Please see attached document

    14 Jan 2026 56m away Trees
  • 03/05290/FULL Refused

    Flats 1 - 21 Alleyn Court 123 Sussex Gardens London W2 2RZ

    Replacement of cold water storage tank and rebuilding of tank enclosure-height of tank enclosure to increase by 500mm, materials to match existing.

    7 Jul 2003 75m away Full applications
  • 11/12208/FULL Refused

    Alleyn Court 123 Sussex Gardens London W2 2RZ

    Internal alterations to lower ground floor to provide for an additional three residential units making four in total, and alterations to windows; lower ground front elevation and at rear change garage doors. Partial enclosure of front lightwell and relocation of access stairs.

    15 Dec 2011 75m away Full applications
  • 04/00127/CLEUD Granted

    Flats 1 - 21 Alleyn Court 123 Sussex Gardens London W2 2RZ

    The use of garage 1 for the parking of vehicles by non-residents of Alleyn Court.

    9 Jan 2004 75m away Lawful development
  • 12/09326/FULL Refused

    Alleyn Court 123 Sussex Gardens London W2 2RZ

    Use of four garages at rear lower ground floor level to enlarge an existing one bedroom flat and create a one bedroom caretaker's flat, with associated retention of alterations to windows and doors to front and rear elevations.

    14 Sep 2012 75m away Full applications

In Westminster

  • 26/04824/ADFULL Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Detailed design and specification of new blinds to NZH based on mock-up trials on-site. pursuant to condition 32 (i) of planning permission dated 8th April 2024 (23/00571/FULL).

    20 Jul 2026 Full applications
  • 26/04829/ADFULL Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Details of external and internal signage strategy pursuant to Condition 33(E) of planning permission dated 8th April 2024 (RN: 23/00571/FULL)

    20 Jul 2026 Full applications
  • 26/04841/ADFULL Granted

    29 Henstridge Place London NW8 6QD

    Details of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 5 of planning permission dated 18th November 2025 (RN:25/06159).

    20 Jul 2026 Full applications
  • 26/04989/FULL Awaiting decision

    1 Kildare Terrace London W2 5JT

    Erection of a mansard roof extending over the main house and side wing, replacement lower ground rear extension with roof terrace above, lowering of lower ground floor slab, installation of an air source heat pump in rear garden, new front boundary treatment, and new second floor window on the north elevation.

    24 Jul 2026 Full applications
  • 26/04986/FULL Awaiting decision

    Inver Court Inverness Terrace London W2 6JB

    Replacement of combustible materials in the render facades; timber decking and plastic soffits/ fascias to terraces with non-combustible materials on the 5th and 6th floors.

    24 Jul 2026 Full applications