Skip to content
PlanIndex Get alerts
Menu

Planning application

34 Grosvenor Square London W1K 2HD

Awaiting decision Westminster 26/03449/ADFULL Approval of Details (Full PP)

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

Details of new french doors pursuant to condition 4 of planning permission dated 17 March 2026 (RN: 25/08464/FULL)

As published by the council, reference 26/03449/ADFULL

Application record

Reference
26/03449/ADFULL
Type
Approval of Details (Full PP)
Status
Pending
Received
26 May 2026
Validated
26 May 2026
Ward
West End
Postcode
W1K 2HD

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2025: 1 approved, 0 refused.

  • 26/05600/FULL Decided

    34 Grosvenor Square London W1K 2HD

    Replacement of existing external terrace in a new configuration and repositioning of entrance and steps

    Submitted 17 Aug 2026 Full applications
  • 25/08464/FULL Granted

    34 Grosvenor Square London W1K 2HD

    Replacement of existing ground floor windows, relocation of the entrance and installation of retractable canopies

    Decided 27 Mar 2026 Full applications

Timeline

Dates from the published record

  1. 26 May 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 21 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

DP9 Ltd Agent

Active · incorporated 2004

2,658 applications on PlanIndex · across 36 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

4 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

  • 34 Grosvenor Square London W1K 2HD

    26/05600/FULL Submitted 17 Aug 2026 50 yards away

    88% historically approved · decision due ~12 Oct

    Replacement of existing external terrace in a new configuration and repositioning of entrance and steps

    Decided Full applications

  • Flat 11 46 Upper Grosvenor Street London W1K 2NW

    26/01789/ADFULL Submitted 19 Mar 2026 50 yards away

    88% historically approved · decision due ~14 May

    Detailed drawings of existing and proposed windows with key details pursuant to condition 2 of planning permission dated 6th November 2025 (RN: 25/05340/FULL).

    Awaiting decision Full applications Windows or glazing 5 docs

  • Flat 11 46 Upper Grosvenor Street London W1K 2NW

    26/04722/FULL Submitted 15 Jul 2026 50 yards away

    88% historically approved · decision due ~28 Sep

    Variation of Condition 2 of planning permission dated 06 November 2025 (RN: 25/05340/FULL) for: Replacement of existing windows namely; to allow replacement windows constructed in aluminium rather than the original mild steel of the Crittall casements.

    Awaiting decision Full applications Windows or glazing

  • Flat 11 46 Upper Grosvenor Street London W1K 2NW

    25/05340/FULL Submitted 30 Jul 2025 50 yards away

    Replacement of existing windows. (Flat 11, 46 Upper Grosvenor Street)

    Granted Full applications Windows or glazing 37 docs

  • 34 Grosvenor Square London W1K 2HD

    25/08464/FULL Submitted 19 Nov 2025 50 yards away

    Replacement of existing ground floor windows, relocation of the entrance and installation of retractable canopies

    Granted Full applications Windows or glazing 23 docs

  • 30 Grosvenor Square London W1K 6AN

    26/00408/FULL Submitted 23 Jan 2026 50 yards away

    88% historically approved · decision due ~20 Mar

    Installation of permanent external planter boxes at ground floor level on the Upper Grosvenor Square elevation and associated works.

    Awaiting decision Full applications 13 docs

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications