Basement And Ground Floor Maisonette 5 Clarendon Gardens London W9 1AY

1. 2 Feb 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 30 March 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 tree works applications in a median of 49 days. More in our guide to how long planning decisions take.

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

• 28 Clarendon Gardens London W9 1AZ

  25/08636/LBC Submitted 26 Nov 2025 50 yards away

  90% historically approved · decision due ~21 Jan

  Amalgamation of three residential units to provide one, one bedroom unit and one, three bedroom unit (Class C3); Demolition of existing conservatory and erection of glazed extension to rear, associated plant; renewing, replacement and relocation of windows and associated works. (Linked to 25/08635/FULL)

  Awaiting decision Heritage and listed buildings Extension Demolition +1 20 docs

• 28 Clarendon Gardens London W9 1AZ

  25/08635/FULL Submitted 26 Nov 2025 50 yards away

  88% historically approved · decision due ~21 Jan

  Amalgamation of three residential units to provide one, one bedroom unit and one, three bedroom unit (Class C3); Demolition of existing conservatory and erection of glazed two storey extension to rear, use of the flat roof at third floor level as a terrace, associated plant; renewing, replacement and relocation of windows and associated works. (Linked to 25/08636/LBC)

  Awaiting decision Full applications Extension Demolition +1 24 docs

• 26C Clarendon Gardens London W9 1AZ

  25/06617/ADLBC Submitted 10 Sep 2025 50 yards away

  Detailed drawings showing the revision to the window scheme including details on retaining and refurbishing sash boxes to all windows, omitting reglazing of two rear original windows and joinery profiles to reflect the original lamb's tongue bars, pursuant to Condition 3 of Listed Building Consent dated 16 April 2025 (RN: 24/03615/LBC).

  Refused Conditions Windows or glazing 9 docs

• 24 Clarendon Gardens London W9 1AZ

  25/05872/ADFULL Submitted 19 Aug 2025 50 yards away

  Detailed drawings including sections, and method statements where applicable; of the railings, balconies, gate showing traditional detail of hinges- each type showing location and giving key details with adjacent fabric, details of new rear infill extension including new external doors, and roof glazing showing details of materiality and key junctions with existing fabric, external staircase, ladders reflected ceiling plans showing light fittings etc and coordinated integrated services, indicating new or retained existing ceiling constructions, a method statement further to investigative works for removal of modern ceilings and reinstatement of historic ceilings if applicable, must be included, details of existing and proposed floor build ups further to investigative works, cross referred on plans, details of sample photos showing materiality and technical specifications of any new glazing for the windows and details of sample photographs and specifications of the paving material at rear garden, infill rear extension including glazing, frames, staircase, landing pursuant to condition 4 (A), (B), (C), (G), (I), 5 & 7 of planning permission dated 12th June 2025 (RN:25/00027/FULL)

  Granted Full applications Extension Windows or glazing 26 docs

• 24 Clarendon Gardens London W9 1AZ

  25/05867/ADLBC Submitted 19 Aug 2025 50 yards away

  Details of railings, balconies, gate showing traditional detail of hinges, details of new rear infill extension including external doors, and roof glazing showing details of materiality and key junctions, external staircase, ladders, reflected ceiling plans showing light fittings , details of existing and proposed floor build ups, glazing samples, photographs and specifications of the paving material and detailed condition surveys pursuant to Conditions 5 (A,B,C,G and I), 6, 9 and 10 of Listed Building Consent dated 12 June 2025 (RN25/00028/LBC)

  Granted Conditions Extension Windows or glazing 30 docs

• Upper Maisonette 22 Clarendon Gardens London W9 1AZ

  26/06550/LBC Submitted 23 Sep 2026 50 yards away

  90% historically approved · decision due ~18 Nov

  Internal alterations to second floor.

  Decided Heritage and listed buildings

• 26/07391/TCA Awaiting decision

  47 Carlton Hill London NW8 0EL

  General maintenance works unless otherwise stated: Front Garden: T1: Malus: Approximately 5.00m. Reduce crown by approximately 1.20m, reducing protruding branches back into the main crown structure. Thin crown density by up to 20%. Ensure an approximate 0.70m clearance of the lamp post. T2: Winter Flowering Cherry: Approximately 5.00m: Reduce crown by up to approximately 1.00m. Thin crown density by 15%. Remove dead wood. Rear Garden: T2: Magnolia - (smaller tree): Approximately 6.00m. Remove one large dead stem. Remove any dead wood or dying branches within the main crown structure. T3: Mature Cherry - (remaining stem): Approximately 7.00m. This tree is now completely dead. Fell to ground level. T4: Bay - (on rear boundary): Approximately 4.00m. This tree is in quite poor condition. Section fell to ground level. T5: Mature Bay - (growing within the curtilage of 40 Ryders Terrace & overhanging 47 Carlton Hill): Approximately 5.00m. Reducing the overhang of this tree will increase space and light levels at No.47. Reduce lateral and sublateral branches overhanging No.47 by up to approximately 1.25m back to as near to the boundary. Control encroachment.

  Received 29 Oct, published by the council 1 Nov 2026 Trees
• 26/07385/TCA Awaiting decision

  Garden Hall Of Residence Imperial College 10 - 12 Princes Gardens London SW7 1ND

  T238 & T239 - Arbutus unedo (Strawberry Tree): Reduce crown by specified extent - height and branch length by up to approximately 2.5m to allow cctv camera to have clear site of entry point for safety, as there a safe guarding issue for student accommodation. Pruning should be back at previous pollard points and at suitable growth points.

  Received 29 Oct, published by the council 2 Nov 2026 Trees
• 26/07365/TCA Awaiting decision

  40 Warrington Crescent London W9 1EL

  T1 -Paulownia reduce laterals by 1m from tips and height by .5m to give more light to garden area below.

  Received 28 Oct, published by the council 1 Nov 2026 Trees
• 26/07378/TCA Awaiting decision

  51 Springfield Road London NW8 0QJ

  T1: Magnolia (8m): Crown reduce by 1m and crown thin by 15% to keep tree at a size suitable for its location and as part of regular maintenance T2: Ginkgo (9m): Reduce height by 2m to keep tree at a size suitable for its location and as part of regular maintenance

  Received 28 Oct, published by the council 1 Nov 2026 Trees
• 26/07383/TCA Awaiting decision

  32 Ashworth Road W9 1JY

  t1 sycamore reduce back to most recent reduction points . last pruned 3-4 years ago t 2 & 3 ash tree as above on going maintenence . Light issues

  Received 28 Oct, published by the council 1 Nov 2026 Trees