Planning application
25/08633/LBC
20 Hill Street London W1J 5NJ
Proposal
Alterations and extension at rear second floor level (to square off non-original extension).(Linked to 25/08632/FULL)
As published by the council, reference 25/08633/LBC
Timeline
Dates from the published record
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26 Nov 2025
Received by Westminster
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20 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 heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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25/08632/FULL Awaiting decision
20 Hill Street London W1J 5NJ
Alterations and extension at rear second floor level (to square off non-original extension). (Linked to 25/08633/LBC)
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25/08921/FULL Awaiting decision
20 Hill Street London W1J 5NJ
Relocation of plant to within louvred enclosure to the main roof. (Linked to 25/08922/LBC)
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25/08922/LBC Awaiting decision
20 Hill Street London W1J 5NJ
Relocation of plant to within louvred enclosure to the main roof. (Linked to 25/08921/FULL)
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25/09181/LBC Granted
20 Hill Street London W1J 5NJ
Internal subdivision of the rear western rooms at ground, first and second floor.
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26/01324/ADFULL Awaiting decision
22 Hill Street London W1J 5NJ
Details of method statements and sample panel of the façade refurbishment works pursuant to Condition 3 of planning permission dated 10 July 2024 (RN: 24/02026/FULL)
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26/02684/ADFULL Awaiting decision
22 Hill Street London W1J 5NJ
Detailed drawings and a bio-diversity management plan in relation to the first floor green roof and planters to include construction method, layout, species and maintenance regime pursuant to condition 10 of planning permission dated 12th July 2024 (RN:24/02026/FULL)
Other heritage and listed buildings applications
In Westminster
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26/04984/LBC Awaiting decision
47G Randolph Avenue London W9 1BQ
Installation of replacement fire surround.
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26/04997/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of a morning room side extension. (Linked to 26/04996/FULL)
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26/04979/LBC Awaiting decision
12 Brewer Street London W1F 0SF
Internal alterations including removal of internal enclosures; Replacement flooring, shelving and slatwall systems, staircase handrail repair and other associated joinery works.
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26/04987/LBC Awaiting decision
Basement And Ground Floor 8 Ganton Street London W1F 7QL
Repainting of the existing timber shopfront, hand-painted fascia lettering, installation of a new hanging sign using the existing projecting sign bracket, and installation of a discreet fascia-mounted LED trough light.
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26/04995/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of rear conservatory extensions and an entrance loggia to side with roof terrace above, together with associated landscaping and alterations. (Linked with 26/04994/FULL)