Planning application
26/03881/FULL
Basement Front And Ground Floor Front 54 Lisson Street London NW1 5DF
Proposal
Use of the lower ground floor as residential units (Class C3)
As published by the council, reference 26/03881/FULL
Timeline
Dates from the published record
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12 Jun 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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26/01811/FULL Awaiting decision
First Floor 50 Lisson Street London NW1 5DF
Change of use from office to residential dwelling (C3).
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26/04888/ADFULL Awaiting decision
Basement To First Floor Rear 63 Lisson Street London NW1 5DA
Detailed drawings showing the details of the lower ground floor doors, details of section drawings of the new front windows at scale 1:10, details in writing appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site, details of how waste is to be stored on site and how materials for recycling will be stored separately, detailed drawings and specifications of screening to courtyard at ground floor level and details of detailed site investigation pursuant to condition 4, 5, 8, 10, 12 & 13 of planning permission dated 31st July 2025 (RN:25/03614/FULL)
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25/08773/FULL Awaiting decision
63 Lisson Street London NW1 5DA
Erection of mansard roof extension to facilitate 1-bed self-contained flat, together with the replacement of existing fenestration and creation of a third floor terrace to the rear and associated external alterations.
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20/00153/ADFULL Refused
Basement And Ground Floor 67-69 Bell Street London NW1 6SX
Details of all new doors and windows and railings to the lightwells to the front elevation pursuant to planning permission dated 29th May 2019 (RN:18/10729).
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13/03561/ADV Refused
67 - 69 Bell Street London NW1 6SX
Display of 1 x internally illuminated hanging sign (retrospective application).
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05/04854/FULL Refused
71 Bell Street London NW1 6SX
Use of ground floor as a self-contained one bed flat.
Other full applications applications
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26/04824/ADFULL Granted
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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
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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.