21 - 22 Welbeck Way London W1G 9YW

1. 27 Jan 2026

   Received by Westminster

2. 21 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 16 May 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.

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.

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.

• 13 - 14 Welbeck Street London W1G 9BN

  22/03333/FULL Submitted 18 May 2022 50 yards away

  Internal and external alterations to the buildings including new doors, a new lightwell at lower ground floor level of 14 Welbeck Street, new rear ground floor terrace to 13 Welbeck Street and installation of plant in the front pavement vaults, at main roof level and rear first floor level.

  Granted Full applications 37 docs

• 13 - 14 Welbeck Street London W1G 9BN

  22/03334/LBC Submitted 18 May 2022 50 yards away

  Internal and external alterations to the buildings including new doors, a new lightwell at lower ground floor level of 14 Welbeck Street, new rear ground floor terrace to 13 Welbeck Street and installation of plant in the front pavement vaults, at main roof level and rear first floor level.

  Granted Heritage and listed buildings 37 docs

• Flat 4 9 Welbeck Street London W1G 9YB

  26/01022/CLEUD Submitted 17 Feb 2026 50 yards away

  84% historically approved · decision due ~14 Apr

  Confirmation that the existing roof terrace above the fifth floor and its associated access/features, the external air conditioning unit at the rear of the property at fourth floor level, and the PVC windows to the front of the property at fourth and fifth floor levels are lawful.

  Awaiting decision Lawful development Windows or glazing 11 docs

• 79 Wimpole Street London W1G 9RR

  22/02893/LBC Submitted 29 Apr 2022 50 yards away

  Refurbishment of the existing building, minor demolition works associated with internal and external alterations for continued medical use; creation of a new internal link at basement and ground floor level into No. 78 Wimpole Street; new chiller proposed at basement level; enlargement of existing windows to create doors onto existing terrace at first floor; single storey side extension on second floor; external plant at basement and roof level and all other associated works; installation of air conditioning units within lightwell at lower ground floor level on Welbeck Way, at roof level and two air handling units to the rear of the building on roofs at second and third floor levels; and creation of internal openings between Nos.78 and 79 at basement, ground and first floor levels.

  Granted Heritage and listed buildings Extension Demolition +1 52 docs
  Small domestic

• 79 Wimpole Street London W1G 9RR

  22/02892/FULL Submitted 29 Apr 2022 50 yards away

  Refurbishment of the existing building, minor demolition works associated with internal and external alterations for continued medical use; creation of a new internal link at basement and ground floor level into No. 78 Wimpole Street; new chiller proposed at basement level; enlargement of existing windows to create doors onto existing terrace at first floor; single storey side extension on second floor; external plant at basement and roof level and all other associated works; installation of air conditioning units within lightwell at lower ground floor level on Welbeck Way, at roof level and two air handling units to the rear of the building on roofs at second and third floor levels; and creation of internal openings between Nos.78 and 79 at basement, ground and first floor levels.

  Granted Full applications Extension Demolition +1 56 docs
  Small domestic

• 80 Wimpole Street London W1G 9RE

  06/04036/AD7 Submitted 24 May 2006 50 yards away

  Display of non-illuminated estate agent board measuring 600mm x 450mm to be attached to the railings in front of the building at a height of 1.5m from ground level, for a temporary period of six months

  Granted Advertising 3 docs

• 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