Planning application
26/01803/FULL
11 Park Square West London NW1 4LJ
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
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19 Mar 2026
Received by Westminster
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21 Jul 2026
Added to PlanIndex
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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.
Nearby applications
Within 500 metres
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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)
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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.
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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).
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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.
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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.
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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.
Other full applications applications
In Westminster
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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).
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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)
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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).
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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.
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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.