Planning application
11 Park Square West London NW1 4LJ
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
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
Application record
- Reference
- 26/01803/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 19 Mar 2026
- Validated
- 19 Mar 2026
- Ward
- Regent's Park
- Postcode
- NW1 4LJ
Site history
Applications at this address on the Westminster register
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)
Timeline
Dates from the published record
-
19 Mar 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
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 91 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Kerr Parker Associates Ltd Agent, registered in Grays
Active · incorporated 1998 · Grays
2 applications on PlanIndex
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
19 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
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 119 days. More in our guide to how long planning decisions take.
About full applications
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.
Nearby applications
Within 0.3 miles
-
11 Park Square West London NW1 4LJ
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
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
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
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.
Granted Trees 4 docs -
Ulster Place London
T297 - Tilia x vulgaris: remove epicormic growth to 5m above ground level.
Granted Trees 8 docs -
Harley House Marylebone Road London NW1 5HE
100% historically approved · decision due ~18 Nov
18 x London plane: Lift canopies by 2-3m and prune lateral growth over road by 2-3m. Prune to ensure 5m clearance from all buildings and 1-2m clearance from street furniture.
Awaiting decision Trees
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-
26/07472/FULL Awaiting decision
Flat 3 82 New Cavendish Street London W1G 9TA
Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)