10 Warwick Street London W1B 5LZ

This site has had 2 applications since 2025: 0 approved, 1 refused.

• 26/04660/FULL Decided

  10 Warwick Street London W1B 5LZ

  Refurbishment of the existing five story building, including a new lift and stair core, refurbished office space including a new mezzanine, replacement of all existing windows and doors, including the glazed screen at ground floor level, formation of a new terrace at roof level with a new low level glazed access, insertion of two new dormers within existing mansard, and installation of a new condenser units located on an existing plant gantry on the rear facade.

  Submitted 13 Jul 2026 Full applications

1. 12 Sep 2025

   Received by Westminster

2. 19 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 8 Jun 2026

   Decision issued: Application Refused

4. 21 Jul 2026

   Added to PlanIndex

Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 10 Warwick Street London W1B 5LZ

  26/04660/FULL Submitted 13 Jul 2026 50 yards away

  87% historically approved · decision due ~21 Sep

  Refurbishment of the existing five story building, including a new lift and stair core, refurbished office space including a new mezzanine, replacement of all existing windows and doors, including the glazed screen at ground floor level, formation of a new terrace at roof level with a new low level glazed access, insertion of two new dormers within existing mansard, and installation of a new condenser units located on an existing plant gantry on the rear facade.

  Decided Full applications Loft or dormer Windows or glazing 32 docs

• 6 Warwick Street London W1B 5LU

  26/01519/ADV Submitted 10 Mar 2026 50 yards away

  84% historically approved · decision due ~5 May

  Display of internally illuminated projecting sign measuring 0.33m X 0.33m X 0.65m.

  Awaiting decision Advertising 8 docs

• 6 Warwick Street London W1B 5LU

  25/06213/FULL Submitted 2 Sep 2025 50 yards away

  Installation of new kitchen extraction equipment, ducting and associated works.

  Withdrawn Full applications 23 docs

• Fintex House 19 Golden Square London W1F 9JJ

  17/09446/ADFULL Submitted 24 Oct 2017 50 yards away

  Detailed drawings of all new windows showing key junctions pursuant to condition 12 of planning permission dated 21 March 2017 (RN: 16/10726)

  Granted Full applications Windows or glazing 10 docs

• 106 - 108 Regent Street London W1B 5RU

  26/06087/ADV Submitted 7 Sep 2026 50 yards away

  84% historically approved · decision due ~2 Nov

  Display of non-illuminated vinyl display to shopfront glazing on Regent Street and Glasshouse Street for a temporary period from 7 September 2026 until 1 March 2027.

  Decided Advertising Windows or glazing

• 106 - 108 Regent Street London W1B 5RU

  26/06057/LBC Submitted 4 Sep 2026 50 yards away

  90% historically approved · decision due ~2 Nov

  Installation of non-illuminated vinyl display to shopfront glazing on Regent Street and Glasshouse Street for a temporary period from 7 September 2026 until 1 March 2027.

  Decided Heritage and listed buildings Windows or glazing

• 26/06331/FULL Awaiting decision

  31G Nottingham Place London W1U 5LP

  Installation of a condenser within acoustic enclosure and metal railing on the rear flat roof at third-floor level.

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06328/FULL Awaiting decision

  Athena Court 2 Finchley Road London NW8 6DP

  Installation of a multifunctional communication Hub including defibrillator outside Athena Court. (Linked with 26/06329/ADV)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06325/FULL Awaiting decision

  29 Norfolk Road London NW8 6AU

  Hard and soft landscaping works; amendment to railings style to rear garden structures (outbuilding and pergola); external lighting; boundary treatment; refuse storage; and photovoltaic panels. (Linked with 26/06326/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06340/FULL Awaiting decision

  141 Harley Street London W1G 6BQ

  Variation of Condition 1 of planning permission dated 22 December 2026 (RN: 16/05372/FULL) for: Demolition of mews buildings at 28 and 29 Devonshire Mews West and lower ground and ground floor link building at the rear of 141 Harley Street and the erection of new building to include a three storey basement to the rear of the site in connection with the use of the 141 Harley Street and the lower ground and ground floor of 143 Harley Street for Class D1 medical purposes; installation of a new passenger lift to the rear of 141 Harley Street and installation of plant. (Site includes excavation part way under the pavement of Devonshire Mews West and use swap with 126 Harley Street) namely, to allow creation of party wall openings at basement, ground and first floors; insertion of a platform lift within No. 143 from basement to first floors; partial infilling of the rear basement area; and other minor adjustments to plan form. (Linked with 26/06290/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06341/FULL Awaiting decision

  141 Harley Street London W1G 6BQ

  Installation of new sesame lift into existing front entrance steps. (Linked with 26/06342/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications