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Planning application

6 Buckingham Mews London SW1E 6NR

Refused Westminster 23/03588/NMA Non-material amendments

Works: Extension Loft or dormer

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Amendments to planning permission dated 12th December 2022 (RN:22/03987/FULL) for the conversion of ground floor garage to habitable accommodation and erection of mansard extension for use in connection with the existing first floor flat (Unit 8); and extension to the rear first floor to existing flat, Unit 2 [Site includes rear of 25-27 Catherine Place] namely; to extend the width of the flat roof to the edge of the building.

As published by the council, reference 23/03588/NMA

Application record

Reference
23/03588/NMA
Type
Non-material amendments
Status
Decided
Decision
Refused As published: Application Refused
Received
28 May 2023
Validated
2 Jun 2023
Decided
12 Jul 2023
Ward
St James's
Decision by
Delegated Decision
Postcode
SW1E 6NR

Timeline

Dates from the published record

  1. 28 May 2023

    Received by Westminster

  2. 2 Jun 2023

    Validated

    Checked as complete and ready for consideration.

  3. 12 Jul 2023

    Decision issued: Application Refused

  4. 2 Oct 2026

    Added to PlanIndex

Documents

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

15 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.

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Open the documents

What this refusal means

Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About amendment applications

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 3 Buckingham Mews London SW1E 6NR

    26/02298/PASPV Submitted 7 Apr 2026 50 yards away

    89% historically approved · decision due ~2 Jun

    Installation of solar panels to existing loft roof.

    Awaiting decision 15 docs
  • 4 Buckingham Mews London SW1E 6NR

    26/05833/FULL Submitted 25 Aug 2026 50 yards away

    88% historically approved · decision due ~30 Oct

    Erection of a mansard roof extension.

    Decided Full applications Extension Loft or dormer 16 docs
  • 5 Buckingham Mews London SW1E 6NR

    26/02964/FULL Submitted 6 May 2026 50 yards away

    88% historically approved · decision due ~7 Jul

    Erection of mansard roof extension, external alterations, replacement windows, and conversion of garage to study room.

    Awaiting decision Full applications Extension Loft or dormer +1 17 docs
  • 3 Buckingham Mews London SW1E 6NR

    26/00159/CLOPUD Submitted 13 Jan 2026 50 yards away

    Installation of solar panels to existing loft roof.

    Withdrawn Lawful development 12 docs
  • 21 Stafford Place London SW1E 6NP

    26/06268/FULL Submitted 14 Sep 2026 50 yards away

    88% historically approved · decision due ~9 Nov

    Variation of Condition 1 of planning permission dated 17 April 2026 (RN 25/08897/FULL) for the erection of a mansard roof extension; Namely, to allow the addition of seven rooflights within the flat roof.

    Awaiting decision Full applications Extension Loft or dormer
  • 21 Stafford Place London SW1E 6NP

    25/08897/FULL Submitted 8 Dec 2025 50 yards away

    Erection of mansard roof extension.

    Granted Full applications Extension Loft or dormer 33 docs

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