29 Alexander Street London W2 5NU

1. 29 Sep 2025

   Received by Westminster

2. 21 Nov 2025

   Decision issued: Prior Approval Approved

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 21 November 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 1A Alexander Mews W2 5NX

  25/06983/CLOPUD Submitted 29 Sep 2025 50 yards away

  Use of garage as residential accommodation.

  Granted Lawful development 22 docs

• 1A Alexander Mews W2 5NX

  26/03265/FULL Submitted 18 May 2026 50 yards away

  87% historically approved · decision due ~13 Jul

  Installation of a new roof terrace with associated acoustic barrier privacy screens & conservation railings painted black.

  Awaiting decision Full applications Roofing 22 docs

• 1A Alexander Mews W2 5NX

  25/06270/FULL Submitted 4 Sep 2025 50 yards away

  Removal of condition 1 of planning permission dated 26 January 1989 (RN: 88/03919/FULL) for Conversion of existing flat into a 1 bedroom self-contained residential property. Namely, to allow the use of garage as residential accommodation (Class C3).

  Granted Full applications 10 docs

• 1A Alexander Mews W2 5NX

  25/07083/FULL Submitted 2 Oct 2025 50 yards away

  87% historically approved · decision due ~1 Jan

  Relocation and replacement of front and rear windows; installation of skylights; new Velux windows, and replacement of doors.

  Awaiting decision Full applications Loft or dormer Windows or glazing 28 docs

• 1A Alexander Mews W2 5NX

  25/07084/FULL Submitted 2 Oct 2025 50 yards away

  Use of part of the existing roof as roof terrace with associated timber trellis privacy screens, evergreen planting accessed via the existing staircase; flat slide opening sky light; green sedum roof to the rear existing flat roof; safety balustrade.

  Withdrawn Full applications 31 docs

• 31 Alexander Street London W2 5NU

  25/07099/FULL Submitted 2 Oct 2025 50 yards away

  Erection of a single storey rear extension at second floor level (above conservatory) and use of roof as a terrace.

  Refused Full applications Extension 19 docs
  Small domestic

• 26/01122/PALHE Withdrawn

  Buckingham Palace The Mall London SW1A 1AA

  short back and sides around the exterior

  Received 23 Feb, published by the council 21 Jul 2026 Prior approval
• 26/05874/APA Awaiting decision

  Charing Cross Station Strand London WC2N 5HS

  Prior approval under part 18 (class a) of the town and country planning (general permitted development) (England) order 2015 Villiers Street façade external alterations at London Charing Cross station, WC2N 5HF

  Received 3 Aug, published by the council 4 Sep 2026 Prior approval
• 26/03606/DPAD Awaiting decision

  6 Crompton Street London W2 1ND

  Demolition of the main building down to the ground floor and retain and cap off the existing basement; demolition of external garages and the boundary walls retained; and new boundary wall or fencing.

  Received 2 Jun, published by the council 21 Jul 2026 Prior approval
• 26/03580/P3JPA Awaiting decision

  Leconfield House Curzon Street London W1J 5JA

  Prior approval for change of use from commercial (Class E) to residential (Class 3) at Leconfield House, Curzon Street under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).

  Received 1 Jun, published by the council 21 Jul 2026 Prior approval
• 26/01145/P3JPA Granted

  Stone House 9 Weymouth Street London W1W 6DB

  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).

  Received 24 Feb, published by the council 21 Jul 2026 Prior approval