Apartment 8 91 New Cavendish Street London W1W 6XF

1. 20 Nov 2025

   Received by Westminster

2. 12 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 18 May 2026

   Decision issued: Application Permitted

4. 10 Aug 2026

   Added to PlanIndex

Westminster granted permission on 18 May 2026, 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.

• 95 New Cavendish Street London W1W 6XF

  25/07751/ADFULL Submitted 27 Oct 2025 50 yards away

  Details of samples of facing materials pursuant to condition 3 (part) of planning permission dated 9th July 2024 (RN: 24/00892/FULL)

  Granted Full applications 9 docs

• 138 Great Portland Street London W1W 6PZ

  13/03776/AD7 Submitted 25 Apr 2013 50 yards away

  Display for a temporary period of six months of a non-illuminated estate agent's board on the face of the building at a height of between 3.0m and 4.6m above pavement level and measuring 1.2m x 0.9m.

  Granted Advertising 2 docs

• Ground Floor & Front Basem 138 Great Portland Street London W1W 6PZ

  03/08954/ADFULL Submitted 20 Nov 2003 50 yards away

  Details of proposed ramp pursuant to condition 1 of planning permission dated 27 October 2003 (RN 03/06365) for installation of new shopfront and associated alterations.

  Granted Full applications Windows or glazing 3 docs

• 138 Great Portland Street London W1W 6PZ

  03/06365/FULL Submitted 14 Aug 2003 50 yards away

  Installation of new shopfront, roller blind and ramp for disabled access.

  Granted Full applications Windows or glazing 8 docs

• Flat 4 146 Great Portland Street London W1W 6QB

  25/05433/ADFULL Submitted 4 Aug 2025 50 yards away

  Detailed drawings of the new railings, windows, doors and roof lights pursuant to condition 5 of planning permission dated 27th July 2023 (RN:23/03389/FULL)

  Granted Full applications Loft or dormer Windows or glazing 13 docs

• Flat 4 146 Great Portland Street London W1W 6QB

  25/05897/ADFULL Submitted 4 Aug 2025 50 yards away

  Detail 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 pursuant to condition 4 of planning permission dated 27th July 2023 (RN:23/03389/FULL)

  Granted Full applications Windows or glazing 13 docs

• 26/05984/FULL Decided

  41 Sutherland Street London SW1V 4JX

  Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

  Received 2 Sep, published by the council 11 Sep 2026 Full applications
• 26/07229/FULL Awaiting decision

  5 D'arblay Street London W1F 8DL

  Painting of the shopfront facade and alterations to the existing fixed windows to form two openable sash windows. (Linked with 26/07230/ADV)

  Received 22 Oct, published by the council 26 Oct 2026 Full applications
• 26/07224/FULL Awaiting decision

  8 Hinde Street London W1U 3BQ

  Use of the building as an Embassy (sui generis) with reversion to Class E on cessation of occupation by the Government of the United Mexican States. Erection of a flagpole to front elevation.

  Received 22 Oct, published by the council 26 Oct 2026 Full applications
• 26/06134/FULL Decided

  Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

  Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

  Received 8 Sep, published by the council 15 Sep 2026 Full applications
• 26/07258/FULL Awaiting decision

  16A Croxley Road London W9 3HL

  Installation of air to air heat pumps to offices and bedrooms.

  Received 22 Oct, published by the council 23 Oct 2026 Full applications