9 - 10 Northumberland Place London W2 5BS

1. 11 Mar 2026

   Received by Westminster

2. 13 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 8 May 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 65 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 91 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.

• 12 Northumberland Place London W2 5BS

  22/04212/ADFULL Submitted 27 Jun 2022 50 yards away

  Details of construction contract agreed between all land owners and lessees pursuant to condition 7 of planning permission dated 19th March 2021 (RN: 21/00382/FULL).

  Granted Full applications 9 docs

• 3 Northumberland Place London W2 5BS

  25/07538/ADFULL Submitted 17 Oct 2025 50 yards away

  Detailed drawings of new railings, new bin store, new lightwell porch, method statement explaining the measures you will take to protect the trees on and close to the site and details of the foundations of the bin stores pursuant to conditions 4, 5 and 7 of planning permission dated 13th February 2025 (RN:24/07005).

  Granted Full applications Extension Trees 18 docs
  Small domestic

• 3 Northumberland Place London W2 5BS

  26/05560/CLOPUD Submitted 14 Aug 2026 50 yards away

  86% historically approved · decision due ~20 Oct

  Painting of the front facade of the building.

  Decided Lawful development

• 3 Northumberland Place London W2 5BS

  26/00800/TCA Submitted 10 Feb 2026 50 yards away

  100% historically approved · decision due ~7 Apr

  Magnolia growing in the front left hand corner of the front garden of 3 Northumberland Place, tree 1 on the attached plan. Fell, remove stump and main roots. Reasons - poor specimen with low amenity value and no real scope for improvement. To be replaced, together with a replacement for the recently removed cotoneaster (ref 25/03383/TCA) Proposed replacements to be agreed with Westminster, we suggest Japanese maple, silverbell tree or similar small / medium ornamental tree.

  Awaiting decision Trees 7 docs

• 15 Northumberland Place London W2 5BS

  26/01468/TCA Submitted 6 Mar 2026 50 yards away

  1 x Silver Birch (T9, rear): Trim crown by 20%

  Granted Trees 8 docs

• 11 Northumberland Place London W2 5BS

  22/05510/TPO Submitted 9 Aug 2022 50 yards away

  Front garden: T1 Evergreen Magnolia x 1 (Magnolia grandiflora) This previously reduced tree has now begun to block light from gardens and properties. Suggested works: Reduce all round to previous reduction points approx. 1m leaving furnishing growth.- Clean out crown

  Withdrawn Trees 4 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06287/FULL Awaiting decision

  Barness Court 6 - 8 Westbourne Terrace London W2 3UW

  Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06288/LBC)

  Received 14 Sep, published by the council 21 Sep 2026 Full applications
• 26/06278/FULL Awaiting decision

  40 Wellington Road London NW8 9TJ

  Installation of a new external access ramp/slope to provide accessibility to the Barclays bank ATM.

  Received 14 Sep, published by the council 21 Sep 2026 Full applications
• 26/06269/FULL Awaiting decision

  Maisonette Basement And Ground Floor 101 Hereford Road London W2 5BB

  Amalgamation of existing lower ground and ground floor maisonette to with the first floor flat to create a single dwelling and associated internal works including creation of a staircase. (Linked with 26/06270/LBC)

  Received 14 Sep, published by the council 21 Sep 2026 Full applications