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Planning application

26/01803/FULL

11 Park Square West London NW1 4LJ

Awaiting decision Westminster Full Planning Permission Application

Proposal

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)

As published by the council, reference 26/01803/FULL

Timeline

Dates from the published record

  1. 19 Mar 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 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)

    19 Mar 2026 0m away Heritage and listed buildings
  • 26/02935/TCA Awaiting decision

    8 Park Square West London NW1 4LJ

    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.

    5 May 2026 15m away Trees
  • 25/06192/ADFULL Granted

    West Lodge Park Square West London NW1 4LJ

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

    1 Sep 2025 52m away Full applications
  • 25/07069/TCA Awaiting decision

    Ulster Place London

    T297 - Tilia x vulgaris Epicormic growth - Remove from stem to 5 m above ground level to clear line of sight to the traffic lights and to keep highway clearance for high sided vehicles.

    1 Oct 2025 59m away Trees
  • 25/08044/TCA Awaiting decision

    17 Ulster Terrace London NW1 4PJ

    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.

    5 Nov 2025 61m away Trees
  • 26/03781/LBC Awaiting decision

    Apartment 24 27 Park Crescent London W1B 1AA

    Internal alterations to newly refurbished walls, ceiling and associated internal features such as new fitted joinery.

    9 Jun 2026 110m away Heritage and listed buildings

In Westminster

  • 26/04824/ADFULL Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Detailed design and specification of new blinds to NZH based on mock-up trials on-site. pursuant to condition 32 (i) of planning permission dated 8th April 2024 (23/00571/FULL).

    20 Jul 2026 Full applications
  • 26/04829/ADFULL Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Details of external and internal signage strategy pursuant to Condition 33(E) of planning permission dated 8th April 2024 (RN: 23/00571/FULL)

    20 Jul 2026 Full applications
  • 26/04841/ADFULL Granted

    29 Henstridge Place London NW8 6QD

    Details of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 5 of planning permission dated 18th November 2025 (RN:25/06159).

    20 Jul 2026 Full applications
  • 26/04989/FULL Awaiting decision

    1 Kildare Terrace London W2 5JT

    Erection of a mansard roof extending over the main house and side wing, replacement lower ground rear extension with roof terrace above, lowering of lower ground floor slab, installation of an air source heat pump in rear garden, new front boundary treatment, and new second floor window on the north elevation.

    24 Jul 2026 Full applications
  • 26/04986/FULL Awaiting decision

    Inver Court Inverness Terrace London W2 6JB

    Replacement of combustible materials in the render facades; timber decking and plastic soffits/ fascias to terraces with non-combustible materials on the 5th and 6th floors.

    24 Jul 2026 Full applications