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Planning application

1 Knightsbridge London SW1X 7LX

Awaiting decision Westminster 26/03487/FULL Full Planning Permission Application

Works: Windows or glazing

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

Proposal

Installation of louvres to ground floor windows to allow operation of new mechanical plant (located internally on ground floor).

As published by the council, reference 26/03487/FULL

Application record

Reference
26/03487/FULL
Type
Full Planning Permission Application
Status
Pending
Received
28 May 2026
Validated
28 May 2026
Ward
Knightsbridge & Belgravia
Postcode
SW1X 7LX

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2026.

  • 26/07043/ADFULL Awaiting decision

    1 Knightsbridge London SW1X 7LX

    Details of waste storage pursuant to Condition 3 of planning permission dated 12th March 2024 (24/00080/FULL)

    Submitted 15 Oct 2026
  • 26/07044/ADFULL Awaiting decision

    1 Knightsbridge London SW1X 7LX

    Details of secure cycle short-stay provision for the ground floor unit occupiers pursuant to condition 5 of planning permission dated 12th March 2024 (RN: 24/00080/FULL).

    Submitted 15 Oct 2026

Timeline

Dates from the published record

  1. 28 May 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 23 July 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 91 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Left City Ltd. Agent, registered in Glasgow

Active · incorporated 2012 · Glasgow

46 applications on PlanIndex · across 8 councils · 98% granted

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

16 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 119 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

  • 1 Knightsbridge London SW1X 7LX

    26/07043/ADFULL Submitted 15 Oct 2026 50 yards away

    89% historically approved · decision due ~10 Dec

    Details of waste storage pursuant to Condition 3 of planning permission dated 12th March 2024 (24/00080/FULL)

    Awaiting decision

  • 1 Knightsbridge London SW1X 7LX

    26/07044/ADFULL Submitted 15 Oct 2026 50 yards away

    89% historically approved · decision due ~10 Dec

    Details of secure cycle short-stay provision for the ground floor unit occupiers pursuant to condition 5 of planning permission dated 12th March 2024 (RN: 24/00080/FULL).

    Awaiting decision

  • The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA

    26/06120/ADFULL Submitted 8 Sep 2026 50 yards away

    89% historically approved · decision due ~3 Nov

    Detailed drawings and a bio-diversity management plan in relation to the green roof to include construction method, layout, species and maintenance regime pursuant to Condition 4 of planning permission dated 03 October 2024 (RN: 24/04118/FULL)

    Decided

  • 33 Grosvenor Crescent Mews London SW1X 7EX

    25/06816/FULL Submitted 23 Sep 2025 50 yards away

    Replacement of three existing double glazed windows and two doors with new double glazed windows and doors to front and rear elevation and other associated works.

    Granted Full applications Windows or glazing 25 docs

  • 32 Grosvenor Crescent Mews London SW1X 7EX

    26/03048/ADLBC Submitted 8 May 2026 50 yards away

    89% historically approved · decision due ~3 Jul

    Details of method statement for the removal and storage of ten stall dividers; pursuant to condition 4(a) of Listed building consent dated 16th October 2025 (RN 24/09038/LBC)

    Awaiting decision Conditions 3 docs

  • The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA

    26/02231/NMA Submitted 2 Apr 2026 50 yards away

    93% historically approved · decision due ~28 May

    Amendments to planning permission dated 17th April 2025 (RN 25/02675/FULL) for the Installation of an external cigar lounge structure on hardstanding at rear of hotel for temporary period. NAMELY, Alteration of the wording of Condition 4 to allow for two-year permission from the date of commencement of the development.

    Awaiting decision Amendments 11 docs

In Westminster

  • 26/06234/FULL Decided

    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
  • 26/06015/FULL Decided

    129 Saltram Crescent London W9 3JT

    Erection of a two-storey rear extension.

    Received 3 Sep, published by the council 11 Sep 2026 Full applications
  • 26/07382/FULL Awaiting decision

    90 Gloucester Place London W1U 6HS

    Use of the building as an embassy (sui generis)

    Received 28 Oct, published by the council 2 Nov 2026 Full applications
  • 26/07363/FULL Awaiting decision

    36 Kilravock Street London W10 4HX

    Demolition of existing rear/side extension and construction of a new extension together with new glazing and doors, and changing the existing rooflights to the rear roof slope with new rooflights.

    Received 28 Oct, published by the council 2 Nov 2026 Full applications
  • 26/07371/FULL Awaiting decision

    8A Randolph Road London W9 1AN

    Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07372/LBC)

    Received 28 Oct, published by the council 2 Nov 2026 Full applications