11 Park Square West London NW1 4LJ

This site has had 2 applications since 2026.

• 26/01803/FULL 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 26/01804/LBC)

  Submitted 19 Mar 2026 Full applications

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 heritage and listed building applications in a median of 94 days. More in our guide to how long planning decisions take.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 11 Park Square West London NW1 4LJ

  26/01803/FULL Submitted 19 Mar 2026 50 yards away

  87% 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 26/01804/LBC)

  Awaiting decision Full applications 19 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

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Alterations to internal partitions, door openings, doors and floor finishes.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06318/LBC 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 26/06317/FULL)

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

  Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings