11 - 13 Cavendish Square London W1G 0AN

This site has had 4 applications since 2026.

• 26/04387/FULL Decided

  11 - 13 Cavendish Square London W1G 0AN

  Replacement roof lantern and roof tiles. (Linked with 26/04388/LBC)

  Submitted 2 Jul 2026 Full applications
• 26/04388/LBC Decided

  11 - 13 Cavendish Square London W1G 0AN

  Replacement roof lantern and roof tiles. (Linked with 26/04387/FULL)

  Submitted 2 Jul 2026 Heritage and listed buildings
• 26/04319/LBC Awaiting decision

  11 - 13 Cavendish Square London W1G 0AN

  Replacement flue to accompany new boiler. (Linked with 26/04318/FULL)

  Submitted 30 Jun 2026 Heritage and listed buildings

1. 30 Jun 2026

   Received by Westminster

2. 2 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 27 August 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 66 days over the applications it decided in the last year.

• 26/04319/LBC Awaiting decision

  11 - 13 Cavendish Square London W1G 0AN

  Replacement flue to accompany new boiler. (Linked with 26/04318/FULL)

  Submitted 30 Jun 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• 26/04319/LBC Awaiting decision

  11 - 13 Cavendish Square London W1G 0AN

  Replacement flue to accompany new boiler. (Linked with 26/04318/FULL)

  Submitted 30 Jun 2026 Heritage and listed buildings

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 91 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.

• 11 - 13 Cavendish Square London W1G 0AN

  26/04387/FULL Submitted 2 Jul 2026 50 yards away

  87% historically approved · decision due ~3 Sep

  Replacement roof lantern and roof tiles. (Linked with 26/04388/LBC)

  Decided Full applications Roofing Windows or glazing 9 docs

• 11 - 13 Cavendish Square London W1G 0AN

  26/04388/LBC Submitted 2 Jul 2026 50 yards away

  90% historically approved · decision due ~3 Sep

  Replacement roof lantern and roof tiles. (Linked with 26/04387/FULL)

  Decided Heritage and listed buildings Roofing Windows or glazing 9 docs

• 11 - 13 Cavendish Square London W1G 0AN

  26/04319/LBC Submitted 30 Jun 2026 50 yards away

  90% historically approved · decision due ~27 Aug

  Replacement flue to accompany new boiler. (Linked with 26/04318/FULL)

  Awaiting decision Heritage and listed buildings

• 9 Cavendish Square London W1G 9DF

  06/04103/ADFULL Submitted 26 May 2006 50 yards away

  Detailed drawings of windows and dormer windows pursuant to Conditions 11(i) and (v) of planning permission dated 16 September 2004 (RN 04/02391).

  Refused Full applications Loft or dormer Windows or glazing 7 docs

• 9 Cavendish Square London W1G 9DF

  06/03701/ADFULL Submitted 12 May 2006 50 yards away

  Details of facing materials pursuant to Condition 9 of planning permission dated 16 September 2004 (RN 04/02391).

  Granted Full applications 3 docs

• 9 Cavendish Square London W1G 9DF

  06/02932/ADFULL Submitted 18 Apr 2006 50 yards away

  Details of stonework and other mouldings pursuant to Condition 11(iv) of planning permission dated 16 September 2004 (RN 04/02391).

  Granted Full applications 8 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of new natural Portland Stone step surfaces to the two highway facing front entrance doors. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications
• 26/06277/FULL Awaiting decision

  Hospital 60 Grove End Road London NW8 9NH

  Variation of conditions 1 and removal of condition 6 of planning permission dated 12th November 2019 (RN 19/07202/FULL) for the Variation of condition 12 of planning permission dated 21 June 2013 (RN: 13/01330/FULL) for the: Demolition of single storey block to north east elevation of main hospital building. Erection of three storey building (plus basement level) with link to existing hospital fronting onto Grove End Road and erection of two storey extension to the main entrance building, both to provide additional hospital accommodation (Class D1). Installation of mechanical plant and associated external alterations. NAMELY, to include amended phase 2 drawings and condition 6 to be removed as the as approved 11 car parking space are no longer proposed and the car lift is no longer shown on the amended plans.

  Received 14 Sep, published by the council 22 Sep 2026 Full applications