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Planning application

25/05471/FULL

5 Wilton Crescent London SW1X 8RN

Refused Westminster Full Planning Permission Application

Proposal

Erection of closet wing extension at rear first, second and third floor level, extension of second floor terrace to 5 Wilton Crescent, insertion of new lightwells and amendments to rooflight configuration between the main house and mews building, rear infill of mews building at first floor level, and associated works (Site includes 8 Kinnerton Street).

As published by the council, reference 25/05471/FULL

Timeline

Dates from the published record

  1. 5 Aug 2025

    Received by Westminster

  2. 13 Aug 2025

    Validated

    Checked as complete and ready for consideration.

  3. 13 Oct 2025

    Decision issued: Application Refused

  4. 21 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

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

  • 25/05493/LBC Refused

    5 Wilton Crescent London SW1X 8RN

    Erection of closet wing extension at rear first, second and third floor level, extension of second floor terrace to 5 Wilton Crescent, insertion of new lightwells and amendments to rooflight configuration between the main house and mews building, rear infill of mews building at first floor level, and associated works (Site includes 8 Kinnerton Street).

    6 Aug 2025 0m away Heritage and listed buildings
  • 25/05595/ADLBC Refused

    5 Wilton Crescent London SW1X 8RN

    Details of sample of brickwork pursuant to Condition 4 of listed building consent dated 01 July 2025 (RN: 25/03523/LBC).

    30 Jul 2025 9m away Conditions
  • 25/06086/LBC Granted

    7 Wilton Crescent London SW1X 8RN

    Erection of a single storey rear extension at second floor level.

    27 Aug 2025 14m away Heritage and listed buildings
  • 25/06085/FULL Granted

    7 Wilton Crescent London SW1X 8RN

    Erection of a single storey rear extension at second floor level.

    27 Aug 2025 14m away Full applications
  • 22/03064/LBC Granted

    8 Wilton Crescent London SW1X 8RN

    Removal of the rear bay at lower ground floor level and its rebuilding at ground and first floor level. Internal alterations, including to partitions. (Retrospective consent).

    6 May 2022 26m away Heritage and listed buildings
  • 25/05308/ADFULL Refused

    5 Wilton Crescent London SW1X 8RN

    Details of sample of brickwork pursuant to Condition 5 of planning permission dated 03 July 2025 (RN: 25/03433/FULL).

    30 Jul 2025 27m 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