12 Devonshire Street London W1G 7AB

1. 11 Aug 2026

   Received by Westminster

2. 14 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 6 October 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 86 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.

• 13-14 Devonshire Street London W1G 7AE

  11/05395/ADLBC Submitted 7 Jun 2011 50 yards away

  Approval of details pursuant to Condition 4 of listed building consent dated 7 December 2010 (RN:10/10124), namely detailed drawings of the proposed doors.

  Granted Conditions 4 docs

• 13-14 Devonshire Street London W1G 7AE

  10/10084/NMA Submitted 19 Nov 2010 50 yards away

  Amendments to approved scheme (RN:10/02378/FULL) for temporary use of basement, ground, and first floors at Nos. 13 and 14 Devonshire Street and second floor at No.13 Devonshire Street as (Class D1) medical use. Permanent use of third and fourth floors at Nos. 13 and 14 Devonshire Street and second floor at No.14 Devonshire Street as medical use. Infill of rear lightwell with glazed roof at basement and ground. Installation of new plant equipment within enclosure at rear boundary at ground floor level. (Part of a land use swap with 18 Upper Wimpole Street and 20 Upper Wimpole Street), namely the formation of two doorways into rear basement lightwell.

  Granted Amendments Extension Windows or glazing 5 docs

• 13-14 Devonshire Street London W1G 7AE

  10/07823/ADFULL Submitted 10 Sep 2010 50 yards away

  Approval of details pursuant to Condition 9 (ii), partial 9 (iii) and partial 9 (iv) of planning permission dated 7 July 2010 (RN: 10/02378) namely, residential conversion works of 20 Upper Wimpole Street at ground and basement level. notification and site inspection in accordance with planning permission dated 16.1.2008 (RN: 08/09501/FULL).

  Granted Full applications 3 docs

• 13-14 Devonshire Street London W1G 7AE

  10/03179/ADLBC Submitted 8 Apr 2010 50 yards away

  Details of drawings of strong room door pursuant to Condition 4 (part) of listed building consent dated 16 February 2010 (RN: 09/09893).

  Granted Conditions 5 docs

• 17 Devonshire Street London W1G 7AG

  05/08788/AD7 Submitted 27 Oct 2005 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.

  Granted Advertising 3 docs

• Third Floor Flat 17 Devonshire Street London W1G 7AG

  12/07227/ADFULL Submitted 16 Jul 2012 50 yards away

  Approval of details pursuant to Condition 3 of planning permission dated 15 July 2010 (RN:09/07825); namely confirmation that works to convert the ground floor of 1A Upper Wimpole Street into residential accommodation in connection with the use of the ground, first and second floors of the building as a maisonette has been completed.

  Granted Full applications 4 docs

• 26/06901/TPO Decided

  110 Maida Vale London W9 1PS

  T3 Walnut: Raise crown over the beds by approximately 2m and clear Cherry. Reduce remaining crown back to previous and most recent reduction points up to approximately 1.5m. Thin crown density evenly throughout by 20%. T4 Walnut: Reduce back to previous and most recent points of reduction up to approximately 1.5m. Thin crown density by 20%. Remove dead wood. T5 Fig: Reduce lateral growth hard back garden side by approximately 1.25-1.5m. Reduce crown height back to previous points of reduction (approximately 1.4m). T7 Mulberry: Reduce crown road side by approximately 1.2m. Raise crown road side by approximately 1.2m. Thin crown density throughout by 20%. Reduce remaining over extended branches which protrude from the main crown structure back in to the main crown.

  Received 8 Oct, published by the council 12 Oct 2026 Trees
• 26/07241/TCA Awaiting decision

  11 Castellain Road London W9 1EY

  T1 - Mature Sycamore- Carry out a crown reduction of up to 3m in height and up to 2m laterally back to the previous, most recent established pruning points, retaining a balanced crown structure and natural form. Pruning cuts will be made to suitable growth points. T2 - Field Maple- Undertake a crown reduction of approx 2m in height and 1.5m laterally appropriate to the tree?s condition, structure and previous pruning history, whilst retaining a natural crown shape and viable growth points. Where suitable, reduce the crown to the previous reduction points, pruning back to appropriate secondary branches or growth points to create a balanced, natural-flowing canopy outline. As an Arboricultural Approved contractor (#AC2626), all works will be undertaken in accordance with BS39982010 - Tree Work - Recommendations. Reason for work: General tree maintenance

  Received 22 Oct, published by the council 23 Oct 2026 Trees
• 26/07207/TCA Awaiting decision

  2 Motcomb Street London SW1X 8JU

  T1, T2 and T3 - Bay Laurel reduce height by approx 2-3m from tips and shorten lateral growth by 1m from tips.

  Received 21 Oct, published by the council 23 Oct 2026 Trees
• 26/07205/TPO Awaiting decision

  Garden Enclosure Portman Square London W1H 6LJ

  T8 - CHERRY - - End-weight reduction - Specified extent Reduce crown of NE stem by 1 .5m, reducing load on decay canker and subsequent risk of failure. T22 - ACER - Prune from adjacent structure to clear lamp column by 1 meter T24 - CHERRY - - Lift low canopy - Pedestrian clearance to 4.5m over road. T37 - CHERRY - Remove faulted limb / limbs Remove lowest south facing branch to stem. G73 - CERCIS CANADENSIS - Lift low canopy - Pedestrian clearance to 2.5 m over footpath.

  Received 21 Oct, published by the council 23 Oct 2026 Trees
• 26/07220/TCA Awaiting decision

  Overseas House Park Place London SW1A 1LR

  T1 Betula jacquemontii- Fell- This tree has out grown its position in the small herbacious border and garden, it is blocking light and the roots are suppressing the growth of other ornamental shrubs and trees- The owner would like to remove it before it gets any larger- a poor choice for such a small garden, also blocking the view in to Green park. T2 Prunus sp.- Fell As above , in addition the trees lower branches have been removed and now has impaired form, is being suppressed by the London Plane tree and it has very few blossoms in the spring. If nessessary the tree owner would be prepared to replace the two trees with a more suitable tree

  Received 21 Oct, published by the council 23 Oct 2026 Trees