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Planning application

1 - 2 Upper Belgrave Street London SW1X 8BD

Awaiting decision Westminster 25/08329/FULL Full Planning Permission Application

Works: Extension Demolition Several homes

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

Relates to 25/06646/NMA

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

Proposal

Variation of Condition 18 of planning permission dated 24 June 2021 (RN: 20/07236/FULL) as amended by non-material amendments dated 10 November 2025 (RN: 25/06646/NMA), 03 January 2024(RN: 23/07896/NMA) and 08 December 2022 (RN: 22/06835/NMA) for: Use of the existing buildings to create two dwelling houses with extensions including demolition and rebuilding of the mews building and excavation to extend the existing basement, installation of air conditioning units on the roof of 1 Upper Belgrave Street and vaults of 1 and 2 Upper Belgrave Street, and associated alterations. (Site includes 1 Groom Place) namely, to alter the wording to allow a change in colour to the pipework.

As published by the council, reference 25/08329/FULL

Application record

Reference
25/08329/FULL
Type
Full Planning Permission Application
Status
Pending
Received
13 Nov 2025
Validated
13 Nov 2025
Ward
Knightsbridge & Belgravia
Postcode
SW1X 8BD

Site history

Applications at this address on the Westminster register

This site has had 6 applications since 2025: 2 approved, 0 refused.

  • 26/02453/ADLBC Awaiting decision

    1 - 2 Upper Belgrave Street London SW1X 8BD

    Details of samples 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 listed building dated 16th December 2022 (RN:22/06851/LBC)

    Submitted 10 Apr 2026 Conditions
  • 26/02374/ADFULL Awaiting decision

    1 - 2 Upper Belgrave Street London SW1X 8BD

    Samples 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 (partial - timber cladding to rear of the mews and garage door) of planning permission dated 24 June 2021 (RN:20/07236/FULL).

    Submitted 10 Apr 2026 Full applications
  • 25/08330/LBC Awaiting decision

    1 - 2 Upper Belgrave Street London SW1X 8BD

    Variation of Condition 3 of listed building consent dated 10 November 2025 (RN:25/06644/LBC) for Introduction of additional external pipework namely, to alter the wording to allow a change in colour to the pipework.

    Submitted 13 Nov 2025 Heritage and listed buildings
  • 25/06646/NMA Granted

    1 - 2 Upper Belgrave Street London SW1X 8BD

    Amendments to planning permission dated 24 June 2021 (RN: 20/07236/FULL) for: Use of the existing buildings to create two dwelling houses with extensions including demolition and rebuilding of the mews building and excavation to extend the existing basement, installation of air conditioning units on the roof of 1 Upper Belgrave Street and vaults of 1 and 2 Upper Belgrave Street, and associated alterations. (Site includes 1 Groom Place) namely, to allow the introduction of additional external pipework.

    Decided 10 Nov 2025 Amendments
  • 25/06644/LBC Granted

    1 - 2 Upper Belgrave Street London SW1X 8BD

    Introduction of additional external pipework.

    Decided 10 Nov 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 13 Nov 2025

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 8 January 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.

Cases linked to this one on the register

  • 25/06646/NMA Granted

    1 - 2 Upper Belgrave Street London SW1X 8BD

    Amendments to planning permission dated 24 June 2021 (RN: 20/07236/FULL) for: Use of the existing buildings to create two dwelling houses with extensions including demolition and rebuilding of the mews building and excavation to extend the existing basement, installation of air conditioning units on the roof of 1 Upper Belgrave Street and vaults of 1 and 2 Upper Belgrave Street, and associated alterations. (Site includes 1 Groom Place) namely, to allow the introduction of additional external pipework.

    Decided 10 Nov 2025 Amendments

Who's behind it

Company information only, from the register and Companies House

DP9 Ltd Agent

Active · incorporated 2004

2,250 applications on PlanIndex · across 36 councils · 98% granted

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Documents

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

7 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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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 89 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 - 2 Upper Belgrave Street London SW1X 8BD

    25/08330/LBC Submitted 13 Nov 2025 0m away

    90% historically approved · decision due ~8 Jan

    Variation of Condition 3 of listed building consent dated 10 November 2025 (RN:25/06644/LBC) for Introduction of additional external pipework namely, to alter the wording to allow a change in colour to the pipework.

    Awaiting decision Heritage and listed buildings 3 docs
  • 1 - 2 Upper Belgrave Street London SW1X 8BD

    25/06644/LBC Submitted 17 Sep 2025 7m away

    Introduction of additional external pipework.

    Granted Heritage and listed buildings 17 docs
  • 1 - 2 Upper Belgrave Street London SW1X 8BD

    25/06646/NMA Submitted 17 Sep 2025 11m away

    Amendments to planning permission dated 24 June 2021 (RN: 20/07236/FULL) for: Use of the existing buildings to create two dwelling houses with extensions including demolition and rebuilding of the mews building and excavation to extend the existing basement, installation of air conditioning units on the roof of 1 Upper Belgrave Street and vaults of 1 and 2 Upper Belgrave Street, and associated alterations. (Site includes 1 Groom Place) namely, to allow the introduction of additional external pipework.

    Granted Amendments Extension Demolition 19 docs
    Several homes
  • 37 Belgrave Square London SW1X 8NS

    26/02850/LBC Submitted 29 Apr 2026 30m away

    90% historically approved · decision due ~13 Jul

    Internal alterations inclduing installation of tanking to the basement; and other associated works.

    Awaiting decision Heritage and listed buildings 13 docs
  • 37 Belgrave Square London SW1X 8NS

    25/08890/LBC Submitted 8 Dec 2025 32m away

    Replacement of lead roofing to lightwell roof and dome roof, refurbishment of dome roof frame including replacement glazing and associated internal and external repairs.

    Granted Heritage and listed buildings Windows or glazing 6 docs
  • 37 Belgrave Square London SW1X 8NS

    26/03218/ADLBC Submitted 12 May 2026 32m away

    91% historically approved · decision due ~7 Jul

    Details of structural frame detail drawing that illustrates the plan, sections, and details of the frame; architectural frame detail drawing including waterproofing information for the frame pursuant to condition 3 of listed building consent dated 27th March 2026 (RN: 25/08890/LBC).

    Awaiting decision Conditions 3 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    15 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.

    15 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))

    11 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)

    11 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)

    1 Jun 2026 Full applications