Tennyson Court 12 Dorset Square London NW1 6QB

1. 16 Sep 2025

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 11 November 2025, 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 heritage and listed building applications in a median of 119 days. More in our guide to how long planning decisions take.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 10 Dorset Square London NW1 6QB

  25/06758/LBC Submitted 19 Sep 2025 50 yards away

  Installation of steel beam to loft space to provide additional support to roof.

  Granted Heritage and listed buildings 19 docs

• 15 - 17 Huntsworth Mews London NW1 6DE

  06/10231/ADFULL Submitted 20 Dec 2006 50 yards away

  Details of cable routes and louvre screening pursuant to Conditions 5 and 6 of planning permission dated 16 November 2006 (RN: 06/04407).

  Granted Full applications 3 docs

• 15 - 17 Huntsworth Mews London NW1 6DE

  05/04775/FULL Submitted 16 Jun 2005 50 yards away

  Retention of three air conditioning units on the rooftop.

  Refused Full applications 8 docs

• 15 - 17 Huntsworth Mews London NW1 6DE

  05/04774/CLEUD Submitted 16 Jun 2005 50 yards away

  Installation of six air conditioning units on rooftop.

  Granted Lawful development 7 docs

• 15 - 17 Huntsworth Mews London NW1 6DE

  06/04407/FULL Submitted 6 Jun 2006 50 yards away

  Relocation of three air conditioning units and addition of four further units within an acoustic screen on the rooftop.

  Granted Full applications 9 docs

• Flat 6 18 Dorset Square London NW1 6QB

  26/05763/ADLBC Submitted 24 Aug 2026 50 yards away

  89% historically approved · decision due ~19 Oct

  Details vertical and horizontal sections through new window and door joinery, including double glazing and relationship of joinery to openings/dormers; pursuant to condition 3 of Listed Building consent dated 8th May 2026 (26/00742/LBC)

  Decided Loft or dormer Windows or glazing

• 26/07529/LBC Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water supply pipe on rear courtyard elevation. (Linked with 26/07528/FULL)

  Received 5 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
• 26/07509/LBC 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 26/07508/FULL)

  Received 4 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
• 26/07473/LBC Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07472/FULL)

  Received 3 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
• 26/07471/LBC Awaiting decision

  12 Queen Anne's Gate London SW1H 9AA

  Excavation of single-storey basement, internal reconfiguration and installation of modern services. (Linked with 26/07470/FULL)

  Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
• 26/07461/LBC Awaiting decision

  1 Savile Row London W1S 3JR

  Minor internal works comprising redecoration and upgrades to lighting, flooring and bathroom and kitchen facilities, together with external works including new lighting and signage.

  Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings