33 Alperton Street London W10 4NG

1. 15 Sep 2026

   Received by Westminster

2. 23 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 10 November 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 91 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 lawful development applications in a median of 106 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 594 Harrow Road London W10 4NJ

  26/02987/FULL Submitted 6 May 2026 50 yards away

  88% historically approved · decision due ~1 Jul

  Construction of two rear dormer roof extensions and installation of two front-facing rooflights.

  Awaiting decision Full applications Extension Loft or dormer 13 docs

• 598 Harrow Road London W10 4NJ

  25/08276/FULL Submitted 12 Nov 2025 50 yards away

  Erection of a dormer extension to the rear roofslope and installation of two rooflights to the front roofslope.

  Refused Full applications Extension Loft or dormer 17 docs

• 598 Harrow Road London W10 4NJ

  26/01862/FULL Submitted 23 Mar 2026 50 yards away

  88% historically approved · decision due ~10 Jul

  Erection of a dormer extension to the rear roofslope and installation of rooflight to the front roofslope.

  Awaiting decision Full applications Extension Loft or dormer 19 docs

• 24 Alperton Street London W10 4NQ

  25/09038/FULL Submitted 12 Dec 2025 50 yards away

  Variation of condition 1 of planning permission dated 25 April 2025 (RN: 25/00499/FULL) for the: Erection of ground floor rear infill extension, with associated alterations to windows and doors. Installation of rooflights. Namely, to allow alterations to rear fenestration so that French doors to the extension is replaced by a picture window and the window to the closet wing is replaced by French windows, and glass roof to extension pitched roof replaced with 3 separate rooflights.

  Granted Full applications Extension Loft or dormer +1 17 docs

• 427 - 429 Harrow Road London W10 4SA

  26/01053/ADFULL Submitted 18 Feb 2026 50 yards away

  88% historically approved · decision due ~15 Apr

  Details of facing material pursuant to condition 3 of planning permission dated 03 March 2025 (RN 24/07257/FULL).

  Awaiting decision Full applications 10 docs

• 427 - 429 Harrow Road London W10 4SA

  26/01053/FULL Submitted 18 Feb 2026 50 yards away

  88% historically approved · decision due ~15 Apr

  Details of facing material pursuant to condition 3 of planning permission dated 03 March 2025 (RN 24/07257/FULL).

  Awaiting decision Full applications 10 docs

• 26/07468/CLOPUD Awaiting decision

  14 - 16 Great Portland Street London W1W 8QW

  Confirmation the demolition of the existing outrigger structure at fifth floor level (the Proposed Works) constitutes the lawful commencement of development pursuant to the Permission.

  Received 3 Nov, published by the council 5 Nov 2026 Lawful development
• 26/07423/CLOPUD Awaiting decision

  103 Elgin Avenue London W9 2NP

  Painting of the decorative stonework, window frames and doors on the front elevation and front boundary wall

  Received 2 Nov, published by the council 4 Nov 2026 Lawful development
• 26/07454/CLOPUD Awaiting decision

  10 Stratton Street London W1J 8LG

  Changes to existing windows and doors

  Received 2 Nov, published by the council 5 Nov 2026 Lawful development
• 26/07381/CLEUD Awaiting decision

  Ground Floor Rear Flat 4 Mozart Street London W10 4LA

  Use of the ground floor rear flat as short-term visitor accommodation.

  Received 28 Oct, published by the council 5 Nov 2026 Lawful development
• 26/07339/CLOPUD Awaiting decision

  123 Victoria Street London SW1E 6DE

  Use of part of ground floor reception area within Class E including, but not limited to, a retail café (Class E(a)).

  Received 27 Oct, published by the council 30 Oct 2026 Lawful development