29 Alexander Street London W2 5NU

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

• 25/06962/P3JPA Granted

  29 Alexander Street London W2 5NU

  Notification for Prior Approval for the change of use from a Class E commercial, business and service use to a residential dwelling at 29 Alexander Street under the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) Schedule 2, Part 3, Class MA.

  Decided 21 Nov 2025 Prior approval

1. 27 Oct 2026

   Received by Westminster

2. 2 Nov 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 22 December 2026, 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 88 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 full applications in a median of 119 days. More in our guide to how long planning decisions take.

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.

• 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

• 17 Durham Terrace London W2 5PB

  23/03938/FULL Submitted 13 Jun 2023 50 yards away

  Enlargement of rear window and door to install sliding metal framed glazed sections allowing access to the rear roof terrace and replacement of fixed skylights to the existing flat roof. (Retrospective)

  Refused Full applications Windows or glazing 22 docs

• Flat B 16 Durham Terrace London W2 5PB

  26/03671/CLEUD Submitted 4 Jun 2026 50 yards away

  84% historically approved · decision due ~30 Jul

  Confirmation of the lawful use of the flat roof at the side of the dwelling known as 16B Durham Terrace, London, W2 5PB as a roof terrace ancillary to the residential use of the dwelling.

  Awaiting decision Lawful development 10 docs
  Domestic

• 1A Alexander Mews W2 5NX

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

  88% 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

• 18 Durham Terrace London W2 5PB

  25/08722/TCA Submitted 1 Dec 2025 50 yards away

  1 x lime (rear): Crown reduction to previous, most recent reduction points and removal of epicormic growth from trunk.

  Granted Trees 6 docs

• 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
• 26/05689/FULL Decided

  Flat 1 12 Bristol Gardens London W9 2JG

  Demolition of an existing conservatory at the rear at lower ground level and erection of single storey rear extension.

  Received 19 Aug, published by the council 14 Sep 2026 Full applications
• 26/07360/FULL Awaiting decision

  11 Marylebone Mews London W1G 8PX

  Variation of condition 1 of planning permission dated 02 July 2026 (RN 26/00802/FULL) for the Erection of a mansard roof extension, excavation and extension of the existing basement, installation of plant within a louvered acoustic enclosure on the rear flat roof at second floor and the replacement of the fenestration to the front and rear of the building; all to enlarge and alter dwellinghouse (Class C3). NAMELY, amendments to layout in bedroom at the front of the floor plan where it would benefit from two of the windows that overlook the Mews, with the bathroom at the back of the mid-section of the floor plan with access to one of the wardrobe spaces.

  Received 27 Oct, published by the council 2 Nov 2026 Full applications
• 26/07340/FULL Awaiting decision

  123 Victoria Street London SW1E 6DE

  Installation of a single-leaf glazed entrance door at ground level to the Victoria Street frontage

  Received 27 Oct, published by the council 30 Oct 2026 Full applications
• 26/07315/FULL Awaiting decision

  30 Inverness Terrace London W2 3JA

  Relocation of air conditioning units throughout to the lower ground floor lightwells within aluminium enclosure; replacement of all pipes with cast iron pipes; alteration to balconies including replacement of UPVC door with original door arrangement and replacement railing; reopening of previously infilled windows; replacement marble tiles at hallway of No.32 with Victorian floor tiles; replacement of all doors facing the communal staircase with the correct period style doors; removal of red clay tile leanto roof at first floor rear and the roof made good; removal of link bridges to the rear of the second floor and the rear of the third floor; and reopening of previously infilled windows to the stairs lobby at ground, first and second floor to No.30. (Linked with 26/07316/LBC)

  Received 26 Oct, published by the council 27 Oct 2026 Full applications