20 Ilbert Street London W10 4QJ

1. 16 Sep 2026

   Received by Westminster

2. 23 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 11 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 66 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 78 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.

• 39 Kilravock Street London W10 4HX

  26/04111/FULL Submitted 22 Jun 2026 50 yards away

  87% historically approved · decision due ~17 Aug

  Replacement of lean-to glass roof to the rear side return with a new like-for-like glass roof; replacement of rear first floor windows with double glazed timber sash windows; replacement of a window in the rear GF with larger double glazed timber casement window; replacement of a door in the rear GF with larger double glazed timber French door; new conservation rooflight to the outrigger roof.

  Awaiting decision Full applications Extension Loft or dormer +2

• 65 Third Avenue London W10 4HU

  25/07856/TCA Submitted 29 Oct 2025 100 yards away

  T1 - cherry tree (8m): reduce crown by approximately 2m all round and reduce branches overhanging number 65 back to the boundary, pruning back to suitable growth points and shaping to create a natural flowing canopy outline.

  Granted Trees 8 docs

• The St Marylebone Bridge School 17 - 23 Third Avenue London W10 4RS

  22/04127/TCA Submitted 13 Jun 2022 150 yards away

  1 x cherry (T3): Crown lift to 2.5 m, prune in line with fence and prune to clear the temporary building by about 1m. 1 x maple (T4): Reduce back to previous most recent reduction points. 1 x London Plane (T5): Prune to clear temporary building by pruning closest limbs back to previous most recent reduction points, Crown lift to 5m (pruning wounds no greater than 3cm in diameter), remove all deadwood 1 x London Plane (T7): Crown lift to 5m , remove all deadwood 1 x London Plane (T8): Crown lift to 5m (pruning wounds no greater than 3cm in diameter), remove all deadwood , Cut back from building leaving 2m clearance (pruning to no more than previous most recent reduction points) 1 x London Plane (T9): Crown lift to 5m (pruning wounds no greater than 3cm in diameter), remove all deadwood , Cut back from building leaving 2m clearance (pruning to no more than previous most recent reduction points)

  Granted Trees 4 docs
  Small domestic

• The St Marylebone Bridge School 17 - 23 Third Avenue London W10 4RS

  25/08122/COFUL Submitted 7 Nov 2025 150 yards away

  87% historically approved · decision due ~2 Jan

  Use of 17-23 Third Avenue as a Family Hub with associated community spaces (Sui Generis Use Class), alongside the associated refurbishment and alteration of the existing building as well as the erection of a new building and associated infrastructure to support the Family Hub including Air Source Heat Pumps, cycle and bin stores. Works to tree's.

  Awaiting decision Full applications Trees 84 docs

• 72 Kilravock Street London W10 4HY

  25/05559/TCA Submitted 8 Aug 2025 150 yards away

  1 x False acacia (rear): fell

  Granted Trees 4 docs

• 81 Third Avenue London W10 4HU

  25/08184/TCA Submitted 10 Nov 2025 150 yards away

  100% historically approved · decision due ~5 Jan

  TREE IDENTIFICATIONT1, T2 & T3 ? Conifer trees (possibly Leyland Cypress or Yew). Located along the rear boundary of No. 79 Third Avenue, as shown on the accompanying sketch plan. The trees are positioned in a line adjacent to the garden wall separating No. 79 Third Avenue and No. 1 Marne Street. DESCRIPTION OF WORKSProposed works: Fell three mature conifer trees (T1, T2, and T3) to ground level. Access for works: Via Marne Street (marked ?X? on the submitted sketch plan). Stump treatment: Due to restricted access to the rear garden, there is no feasible access for mechanical stump grinding. Following felling, the stumps will be treated using eco-plug herbicide to prevent regrowth. The area will then be landscaped, and new planting will be arranged around the treated stumps to maintain visual amenity. Replacement planting: One ornamental replacement tree (e.g. Amelanchier lamarckii or Betula utilis var. jacquemontii) will be planted within the rear garden to sustain tree cover and biodiversity. REASON FOR WORKS The three conifer trees have become excessively tall and dense for the confined garden setting, overshadowing both the applicant?s garden and neighbouring properties. The dense canopy significantly reduces daylight to the rear garden and habitable rooms of No. 79, impacting residential amenity. Their proximity to the house and boundary wall creates ongoing maintenance and structural concerns, including root pressure and leaf/needle debris accumulation. The trees? location and density contribute to reduced airflow and increased dampness, which has led to a noticeable influx of spiders (including large house spiders) and mosquito activity inside the property. The proposed works will alleviate shading, dampness, and pest issues while improving the garden?s usability and condition. Replacement planting will ensure that the site retains appropriate greenery and amenity value consistent with Westminster?s tree protection objectives. ADDITIONAL P

  Awaiting decision Trees 5 docs
  Small domestic

• 26/06337/CLOPUD Awaiting decision

  106 Droop Street London W10 4DA

  Installation of solar panels.

  Received 16 Sep, published by the council 23 Sep 2026 Lawful development
• 26/06323/CLOPUD Awaiting decision

  76 Long Acre London WC2E 9JS

  Confirmation of the lawfulness of the proposed use and proposed operating hours of UNIT 1 ONLY. It does not assert that the proposed 24-hour operation has already commenced. The case is that the proposed café use falls within Class E of the Town and Country Planning (Use Classes) Order 1987, as amended, and that no enforceable planning condition identified in the relevant planning history restricts the operating hours of the application premises. Accordingly, the proposed use of Unit/Retail 1 as a café within Class E, operating 24 hours per day, seven days per week, would not constitute development requiring planning permission, subject to the evidence and plans submitted with this application.

  Received 16 Sep, published by the council 23 Sep 2026 Lawful development
• 26/06339/CLOPUD Awaiting decision

  101 Third Avenue London W10 4HS

  Installation of solar panels.

  Received 16 Sep, published by the council 23 Sep 2026 Lawful development
• 26/06319/CLOPUD Awaiting decision

  33 Alperton Street London W10 4NG

  Installation of solar panels.

  Received 15 Sep, published by the council 23 Sep 2026 Lawful development
• 26/06320/CLOPUD Awaiting decision

  104 Droop Street London W10 4DA

  Installation of solar panels.

  Received 15 Sep, published by the council 23 Sep 2026 Lawful development