3 Northumberland Place London W2 5BS

This site has had 6 applications since 2025: 2 approved, 0 refused.

• 26/06481/CLOPUD Decided

  3 Northumberland Place London W2 5BS

  Installation of one air source heat pump on the flat roof of the rear outrigger.

  Submitted 22 Sep 2026 Lawful development
• 26/02986/FULL Awaiting decision

  3 Northumberland Place London W2 5BS

  Variation of condition 1 of planning permission dated 19th June 2025 (RN:25/01772/FULL) for the Erection of a mansard roof extension to a five storey terraced house and installation of solar panels at roof. Namely, to allow the painting of the front façade of the property.

  Submitted 6 May 2026 Full applications
• 26/00800/TCA Awaiting decision

  3 Northumberland Place London W2 5BS

  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.

  Submitted 10 Feb 2026 Trees
• 25/07540/ADFULL Granted

  3 Northumberland Place London W2 5BS

  Detailed drawings showing the revised detailed design of dormers, to include slimmer cheeks and roof (elevations at 1:50, plus detailed elevations and sections at 1:10) pursuant to condition 4 of planning permission dated 19th June 2025 (RN:25/01772/FULL)

  Decided 6 Jan 2026 Full applications
• 25/07538/ADFULL Granted

  3 Northumberland Place London W2 5BS

  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).

  Decided 17 Nov 2025 Full applications

1. 14 Aug 2026

   Received by Westminster

2. 25 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 28 Aug 2026

   Added to PlanIndex

4. 11 Sep 2026

   Status changed to Decided

   Previously Pending.

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

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.

• 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

  26/00800/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

• 9 - 10 Northumberland Place London W2 5BS

  26/01573/FULL Submitted 11 Mar 2026 50 yards away

  88% historically approved · decision due ~8 May

  Erection of a mansard roof extension and solar panels at no. 10 Northumberland Place

  Awaiting decision Full applications Extension Loft or dormer 7 docs

• 9 Northumberland Place London W2 5BS

  26/06588/FULL Submitted 25 Sep 2026 50 yards away

  88% historically approved · decision due ~20 Nov

  Erection of a mansard roof extension and solar panels at 10 Northumberland Place with access onto roof terrace at Number 9.

  Awaiting decision Full applications Extension Loft or dormer

• 3 Northumberland Place London W2 5BS

  26/06481/CLOPUD Submitted 22 Sep 2026 50 yards away

  84% historically approved · decision due ~20 Nov

  Installation of one air source heat pump on the flat roof of the rear outrigger.

  Decided Lawful development Extension

• 26/07221/CLEUD Awaiting decision

  Ground Floor Flat A 31 Fermoy Road London W9 3NH

  Confirmation of the lawful existing Use of Unit A, 31 Fermoy Road as a 4-bedroom HMO (Class C4).

  Received 21 Oct, published by the council 23 Oct 2026 Lawful development
• 26/07134/CLEUD Awaiting decision

  5A Motcomb Street London SW1X 8JU

  Confirmation of the planning consent 24/06560/FULL was lawfully implemented within the 3 year time limit period and as such the remainder of the works can be lawfully implemented.

  Received 16 Oct, published by the council 21 Oct 2026 Lawful development
• 26/06979/CLOPUD Awaiting decision

  15 Bridgewater House Hallfield Estate London W2 6EE

  Use as a private hire chauffeur business (administrative and booking management activities of AGR Chauffeurs Limited).

  Received 13 Oct, published by the council 18 Oct 2026 Lawful development
• 26/06991/CLOPUD Awaiting decision

  11 Grittleton Road London W9 2DD

  Installation of an external spiral staircase connecting these existing levels (the ground level terrace to the lower-ground level garden).

  Received 13 Oct, published by the council 15 Oct 2026 Lawful development
• 26/06932/CLOPUD Awaiting decision

  157 Oliphant Street London W10 4EA

  Installation of solar panels.

  Received 12 Oct, published by the council 13 Oct 2026 Lawful development