24 Upper Wimpole Street London W1G 6NE

This site has had 3 applications since 2025: 2 approved, 0 refused.

• 26/01039/ADFULL Granted

  24 Upper Wimpole Street London W1G 6NE

  Detailed drawings of all new windows including rooflights and external doors drawn at a scale of 1:10 with full size sections through mouldings and glazing bars and the new garage doors (ground floor new fenestration) drawn at a scale of 1:20 with full size details, details of samples of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located, detailed drawings and a bio-diversity management plan in relation to the green roof, details of a sample of the glass (at least 300mm square) and details of how waste is to be stored on site and how materials for recycling will be stored separately pursuant to Cconditions 3, 5, 9, 11, 14 and 16 of planning permission dated 4th November 2024 (RN: 23/08773/FULL)

  Decided 28 Apr 2026 Full applications
• 25/07755/ADFULL Granted

  24 Upper Wimpole Street London W1G 6NE

  Details of code of construction practice pursuant to condition 10 of planning permission dated 4th November 2024 (RN: 23/08773/FULL)

  Decided 7 Nov 2025 Full applications

1. 6 Oct 2026

   Received by Westminster

2. 8 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 1 December 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 86 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 lawful development applications in a median of 107 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 24 Upper Wimpole Street London W1G 6NE

  26/01039/ADFULL Submitted 18 Feb 2026 50 yards away

  Detailed drawings of all new windows including rooflights and external doors drawn at a scale of 1:10 with full size sections through mouldings and glazing bars and the new garage doors (ground floor new fenestration) drawn at a scale of 1:20 with full size details, details of samples of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located, detailed drawings and a bio-diversity management plan in relation to the green roof, details of a sample of the glass (at least 300mm square) and details of how waste is to be stored on site and how materials for recycling will be stored separately pursuant to Cconditions 3, 5, 9, 11, 14 and 16 of planning permission dated 4th November 2024 (RN: 23/08773/FULL)

  Granted Full applications Loft or dormer Windows or glazing 21 docs

• 24 Upper Wimpole Street London W1G 6NE

  25/07755/ADFULL Submitted 27 Oct 2025 50 yards away

  Details of code of construction practice pursuant to condition 10 of planning permission dated 4th November 2024 (RN: 23/08773/FULL)

  Granted Full applications 8 docs

• 4 Clarke's Mews London W1G 6QN

  25/05464/FULL Submitted 4 Aug 2025 50 yards away

  88% historically approved · decision due ~5 Nov

  Installation of one air conditioning unit at roof level

  Awaiting decision Full applications 17 docs

• Flat 2 19 Upper Wimpole Street London W1G 6LY

  25/06205/LBC Submitted 1 Sep 2025 50 yards away

  Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard. (Linked to 25/06204/FULL)

  Granted Heritage and listed buildings Windows or glazing 17 docs

• Flat 2 19 Upper Wimpole Street London W1G 6LY

  25/06204/FULL Submitted 1 Sep 2025 50 yards away

  Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard.

  Granted Full applications Windows or glazing 20 docs

• 6 Upper Wimpole Street London W1G 6LG

  26/04134/ADLBC Submitted 23 Jun 2026 50 yards away

  Details of new external doors, including French doors and those into the courtyard; new roof lanterns and roof lights; new windows; and acoustic enclosure and wall lining for the condensing unit pursuant to condition 5 of appeal decision APP/X5990/Y/25/3371071 dated 22 December 2025.

  Decided Loft or dormer Roofing +1

• 26/07221/CLEUD Awaiting decision

  Ground Floor Flat A 31 Fermoy Road London W9 3NH

  Confirmation of the lawful existing Use of Unit A, 31 Fermoy Road as a 4-bedroom HMO (Class C4).

  Received 21 Oct, published by the council 23 Oct 2026 Lawful development
• 26/07134/CLEUD Awaiting decision

  5A Motcomb Street London SW1X 8JU

  Confirmation of the planning consent 24/06560/FULL was lawfully implemented within the 3 year time limit period and as such the remainder of the works can be lawfully implemented.

  Received 16 Oct, published by the council 21 Oct 2026 Lawful development
• 26/06979/CLOPUD Awaiting decision

  15 Bridgewater House Hallfield Estate London W2 6EE

  Use as a private hire chauffeur business (administrative and booking management activities of AGR Chauffeurs Limited).

  Received 13 Oct, published by the council 18 Oct 2026 Lawful development
• 26/06991/CLOPUD Awaiting decision

  11 Grittleton Road London W9 2DD

  Installation of an external spiral staircase connecting these existing levels (the ground level terrace to the lower-ground level garden).

  Received 13 Oct, published by the council 15 Oct 2026 Lawful development
• 26/06932/CLOPUD Awaiting decision

  157 Oliphant Street London W10 4EA

  Installation of solar panels.

  Received 12 Oct, published by the council 13 Oct 2026 Lawful development