11 Park Square West London NW1 4LJ

This site has had 2 applications since 2026.

• 26/01804/LBC Awaiting decision

  11 Park Square West London NW1 4LJ

  Re-roofing including installation of roof insulation and ventilation and to replace existing air source heat pump. Internal alterations including installation of additional room heater. (Linked to 26/01803/FULL)

  Submitted 19 Mar 2026 Heritage and listed buildings

1. 19 Mar 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 14 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 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 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.

• 11 Park Square West London NW1 4LJ

  26/01804/LBC Submitted 19 Mar 2026 50 yards away

  90% historically approved · decision due ~14 May

  Re-roofing including installation of roof insulation and ventilation and to replace existing air source heat pump. Internal alterations including installation of additional room heater. (Linked to 26/01803/FULL)

  Awaiting decision Heritage and listed buildings 18 docs

• 8 Park Square West London NW1 4LJ

  26/02935/TCA Submitted 5 May 2026 50 yards away

  100% historically approved · decision due ~30 Jun

  T1- Magnolia tree - prune branches growing towards house back by up to 3m (approximately to edge of raised garden area) to suitable growth points to allow more light into basement area. Prune back branches growing over neighbours garden on right by up to 2m. T2- Canthis climber - prune back low branches on wall and branches overhanging roof area.

  Awaiting decision Trees 11 docs

• West Lodge Park Square West London NW1 4LJ

  25/06192/ADFULL Submitted 1 Sep 2025 50 yards away

  Detailed drawings of rooflights and new windows pursuant to condition 4 and 7 of planning permission dated 19th February 2025 (RN:24/08129/FULL).

  Granted Full applications Loft or dormer Windows or glazing 11 docs

• 17 Ulster Terrace London NW1 4PJ

  25/08044/TCA Submitted 5 Nov 2025 50 yards away

  100% historically approved · decision due ~31 Dec

  Front Garden - (outside No.17 Ulster Terrace): T1: Mature Magnolia - Approximately 6.00m. Reduce back to previous and most recent points of reduction, reducing over extended branches back into main crown structure by up to 1.00m. Clear the street lamp by 0.50m. Clear building by 1.00m. Thin crown density by approximately 20%. Reason - General maintenance to clear overhanging branches from the pavement & road and encroachment of the building.

  Awaiting decision Trees 3 docs

• Ulster Place London

  25/07069/TCA Submitted 1 Oct 2025 50 yards away

  T297 - Tilia x vulgaris: remove epicormic growth to 5m above ground level.

  Granted Trees 8 docs

• Harley House Brunswick Place London NW1 4PR

  11/07060/FULL Submitted 21 Jul 2011 100 yards away

  Use of lower ground floor store as studio flat (Class C3), erection of single storey rear extension, and associated external alterations.

  Withdrawn Full applications Extension 9 docs
  Small domestic

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  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 replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications