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Planning application

13 Upper Belgrave Street London SW1X 8BA

Awaiting decision Westminster 25/08078/FULL Full Planning Permission Application

Relates to 25/08079/LBC

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

Proposal

Installation of fan coil units within concealed joinery and an external condenser on the roof. (Linked with 25/08079/LBC)

As published by the council, reference 25/08078/FULL

Application record

Reference
25/08078/FULL
Type
Full Planning Permission Application
Status
Pending
Received
6 Nov 2025
Validated
11 Nov 2025
Ward
Knightsbridge & Belgravia
Postcode
SW1X 8BA

Site history

Applications at this address on the Westminster register

This site has had 7 applications since 2012: 2 approved, 0 refused.

  • 26/03800/LBC Decided

    13 Upper Belgrave Street London SW1X 8BA

    Removal of temporary timber ply structure, and infill existing opening with timber joists, finished with an asphalt finish.

    Submitted 10 Jun 2026 Heritage and listed buildings
  • 26/03799/FULL Decided

    13 Upper Belgrave Street London SW1X 8BA

    Removal of temporary timber ply structure, and infill existing opening with timber joists, finished with an asphalt finish at roof level.

    Submitted 10 Jun 2026 Full applications
  • 26/02241/LBC Awaiting decision

    13 Upper Belgrave Street London SW1X 8BA

    Installation of internal fan coil units.

    Submitted 2 Apr 2026 Heritage and listed buildings
  • 25/08079/LBC Awaiting decision

    13 Upper Belgrave Street London SW1X 8BA

    Installation of fan coil units within concealed joinery and an external condenser on the roof. (Linked with 25/08079/LBC)

    Submitted 6 Nov 2025 Heritage and listed buildings
  • 25/05795/LBC Granted

    13 Upper Belgrave Street London SW1X 8BA

    Internal alterations at first and mezzanine floor levels.

    Decided 6 Oct 2025 Heritage and listed buildings
  • 12/11274/FULL Granted

    13 Upper Belgrave Street London SW1X 8BA

    Installation of 85cm diameter transparent satellite dish on chimney stack to the rear.

    Decided 16 Jan 2013 Full applications

Timeline

Dates from the published record

  1. 6 Nov 2025

    Received by Westminster

  2. 11 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 20 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 6 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

  • 25/08079/LBC Awaiting decision

    13 Upper Belgrave Street London SW1X 8BA

    Installation of fan coil units within concealed joinery and an external condenser on the roof. (Linked with 25/08079/LBC)

    Submitted 6 Nov 2025 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Leconfield Property Group Ltd Agent, registered in Chelsea

Active · incorporated 2010 · Chelsea

9 applications on PlanIndex · across 2 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

17 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.

Watch members (£5 a month) open the document list from here.

Open the documents

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 0.3 miles

  • 13 Upper Belgrave Street London SW1X 8BA

    25/08079/LBC Submitted 6 Nov 2025 0.1 miles away

    90% historically approved · decision due ~6 Jan

    Installation of fan coil units within concealed joinery and an external condenser on the roof. (Linked with 25/08079/LBC)

    Awaiting decision Heritage and listed buildings 5 docs
  • 13 Upper Belgrave Street London SW1X 8BA

    25/05795/LBC Submitted 15 Aug 2025 0.1 miles away

    Internal alterations at first and mezzanine floor levels.

    Granted Heritage and listed buildings 21 docs
  • 12 Upper Belgrave Street London SW1X 8BA

    25/09276/LBC Submitted 22 Dec 2025 0.1 miles away

    Cladding of the treads and risers of the secondary stair in timber and replacement of existing door reveal between the main stair and the dining room with a traditional panelled timber reveal at first floor level.

    Granted Heritage and listed buildings 3 docs
  • 12 Upper Belgrave Street London SW1X 8BA

    25/04975/ADFULL Submitted 17 Jul 2025 0.1 miles away

    Details of door sets under entrance bridge pursuant to condition 7 (v) of planning permission dated 31 August 2023 (RN: 23/01615/FULL).

    Granted Full applications 9 docs
  • 13 Upper Belgrave Street London SW1X 8BA

    26/02241/LBC Submitted 2 Apr 2026 0.1 miles away

    90% historically approved · decision due ~28 May

    Installation of internal fan coil units.

    Awaiting decision Heritage and listed buildings 19 docs
  • 12 Upper Belgrave Street London SW1X 8BA

    25/04872/ADLBC Submitted 15 Jul 2025 0.1 miles away

    Details of door sets under entrance bridge pursuant to condition 5 (v) of listed building consent dated 31 August 2023 (RN: 23/01616/LBC).

    Granted Conditions 9 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