11 Weymouth Street London W1W 6DD

This site has had 2 applications since 2023: 2 approved, 0 refused.

• 23/05187/ADFULL Granted

  11 Weymouth Street London W1W 6DD

  Details of biodiversity management plan for the rear first floor green roof pursuant to Condition 13 of planning permission dated 15 July 2022 (RN: 22/01841/FULL)

  Decided 9 Aug 2023 Full applications

1. 13 Jun 2025

   Received by Westminster

2. 1 Jul 2025

   Decision issued: Application Permitted

3. 14 Sep 2026

   Added to PlanIndex

Westminster granted permission on 1 July 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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 Weymouth Street London W1W 6DD

  23/05187/ADFULL Submitted 27 Jul 2023 50 yards away

  Details of biodiversity management plan for the rear first floor green roof pursuant to Condition 13 of planning permission dated 15 July 2022 (RN: 22/01841/FULL)

  Granted Full applications 12 docs

• Stone House 9 Weymouth Street London W1W 6DB

  26/01145/P3JPA Submitted 24 Feb 2026 50 yards away

  Change of use of ground floor of 9 Weymouth Street, a Commercial, Business, Services (Use Class E) to Dwellinghouses (Use Class C3) Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).

  Granted Prior approval 20 docs
  Domestic

• 48 Portland Place London W1B 1NN

  25/07758/ADLBC Submitted 27 Oct 2025 50 yards away

  Detailed drawings at 1:10 with full size glazing bar sections of the new sash windows pursuant to condition 3 of listed building consent dated 29th April 2025 (RN: 25/00294/LBC).

  Granted Conditions Windows or glazing 7 docs

• 52 Portland Place London W1B 1NH

  25/08376/FULL Submitted 17 Nov 2025 50 yards away

  88% historically approved · decision due ~12 Jan

  Internal and external works including demolition, refurbishment, restoration and alterations to 52 Portland Place as well as removal of existing external condensers at basement, ground, third and fourth floor level and provision of new, consolidated plant and screening at basement and third floor level alongside other associated works. (Linked with 25/08377/LBC)

  Awaiting decision Full applications Demolition 41 docs

• 52 Portland Place London W1B 1NH

  25/08377/LBC Submitted 17 Nov 2025 50 yards away

  90% historically approved · decision due ~12 Jan

  Internal and external works including demolition, refurbishment, restoration and alterations to 52 Portland Place as well as removal of existing external condensers at basement, ground, third and fourth floor level and provision of new, consolidated plant and screening at basement and third floor level alongside other associated works. (Linked with 25/08376/FULL)

  Awaiting decision Heritage and listed buildings Demolition 39 docs

• Royal Institute Of British Architects 66 Portland Place London W1B 1AD

  26/04081/FULL Submitted 22 Jun 2026 50 yards away

  88% historically approved · decision due ~17 Aug

  Removal of an existing roof lantern and infilling of the opening with a new insulated timber roof construction at third floor roof level; replacement of three existing rooflights with new thermally improved rooflights at fifth floor roof level; and associated repair, waterproofing and roof works at 66 Portland Place. (Linked with 26/04082/LBC)

  Awaiting decision Full applications Loft or dormer Windows or glazing 16 docs

• 26/06234/FULL Decided

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/06015/FULL Decided

  129 Saltram Crescent London W9 3JT

  Erection of a two-storey rear extension.

  Received 3 Sep, published by the council 11 Sep 2026 Full applications
• 26/07382/FULL Awaiting decision

  90 Gloucester Place London W1U 6HS

  Use of the building as an embassy (sui generis)

  Received 28 Oct, published by the council 2 Nov 2026 Full applications
• 26/07363/FULL Awaiting decision

  36 Kilravock Street London W10 4HX

  Demolition of existing rear/side extension and construction of a new extension together with new glazing and doors, and changing the existing rooflights to the rear roof slope with new rooflights.

  Received 28 Oct, published by the council 2 Nov 2026 Full applications
• 26/07371/FULL Awaiting decision

  8A Randolph Road London W9 1AN

  Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07372/LBC)

  Received 28 Oct, published by the council 2 Nov 2026 Full applications