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Planning application

1 Welbeck Street London W1G 0AR

Awaiting decision Westminster 26/02876/FULL Full Planning Permission Application

Works: Extension

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

Proposal

Erection of an extension at sixth floor of 1-2 Welbeck and associated works.

As published by the council, reference 26/02876/FULL

Application record

Reference
26/02876/FULL
Type
Full Planning Permission Application
Status
Pending
Received
30 Apr 2026
Validated
30 Apr 2026
Ward
West End
Postcode
W1G 0AR

Site history

Applications at this address on the Westminster register

This site has had 5 applications since 2026.

  • 26/07296/FULL Awaiting decision

    1 Welbeck Street London W1G 0AR

    Installation of air handling units at roof level and ventilation ductwork to the rear facade.

    Submitted 26 Oct 2026 Full applications
  • 26/05561/FULL Decided

    1 Welbeck Street London W1G 0AR

    Installation of ventilation ductwork, intake ducts and louvres. (Land To The Rear Of 1-2 Welbeck Street)

    Submitted 14 Aug 2026 Full applications
  • 26/03198/ADFULL Awaiting decision

    1 Welbeck Street London W1G 0AR

    Detailed drawings; of fully finished 0.5sqm sample of the cladding, including jointing / seams and detailed elevations and sections at a scale of 1:20 of the external profile of the new extension, including abutments with the existing building and external rainwater goods pursuant to Condition 4 of planning permission dated 13th May 2025 (RN:25/01757/FULL)

    Submitted 14 May 2026 Full applications
  • 26/03202/ADLBC Awaiting decision

    1 Welbeck Street London W1G 0AR

    Details of cladding sample / external profile of new extension pursuant to condition 2 of listed building consent dated 13 May 2025 (RN: 25/01758/LBC)

    Submitted 14 May 2026 Conditions

Timeline

Dates from the published record

  1. 30 Apr 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 25 June 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.

Documents

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

21 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 Welbeck Street London W1G 0AA

    22/01642/FULL Submitted 11 Mar 2022 50 yards away

    Alterations to the existing building including new air handling units on level 4, ductwork within the void of the building, exhaust louvre discharging to Wimpole Street, installation of CCTV and installation of replacement entrance door to the Welbeck Street frontage. cameras.

    Granted Full applications 25 docs

  • Ladbroke Apartments 3 Welbeck Street London W1G 0AR

    25/07158/FULL Submitted 3 Oct 2025 50 yards away

    Installation of brass handrails to the front entrance.

    Granted Full applications 17 docs

  • Ladbroke Apartments 3 Welbeck Street London W1G 0AR

    25/07159/LBC Submitted 3 Oct 2025 50 yards away

    Installation of brass handrails to the front entrance.

    Granted Heritage and listed buildings 17 docs

  • Ladbroke Apartments 3 Welbeck Street London W1G 0AR

    25/07059/FULL Submitted 1 Oct 2025 50 yards away

    88% historically approved · decision due ~11 Dec

    Amalgamation of a 2-bedroom apartment (Apartment 10) and a 1-bedroom apartment (Apartment 11) to create 1no. 3-bedroom apartment; and other associated works. Linked with 25/07060/LBC

    Awaiting decision Full applications 40 docs

  • Ladbroke Apartments 3 Welbeck Street London W1G 0AR

    25/07060/LBC Submitted 1 Oct 2025 50 yards away

    90% historically approved · decision due ~11 Dec

    Amalgamation of a 2-bedroom apartment (Apartment 10) and a 1-bedroom apartment (Apartment 11) to create 1no. 3-bedroom apartment; and other associated works. Linked with 25/07059/FULL

    Awaiting decision Heritage and listed buildings 38 docs

  • 33 Wigmore Street London W1U 1QX

    25/06280/LBC Submitted 4 Sep 2025 50 yards away

    Installation of a louvre on the external elevation and an external duct to the existing level 6 terrace.

    Granted Heritage and listed buildings 17 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