Planning application
25/06157/LBC
18 Seymour Street London W1H 7HU
Proposal
Repair strategy for the preservation of existing ceilings
As published by the council, reference 25/06157/LBC
Timeline
Dates from the published record
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29 Aug 2025
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 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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26/03007/ADLBC Awaiting decision
18 Seymour Street London W1H 7HU
Details of the repairs and upgrading of the rear oriel window pursuant to condition 5 of listed building consent dated 8th August 2023 (RN:23/02367).
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26/01286/ADLBC Awaiting decision
18 Seymour Street London W1H 7HU
Details of vaults waterproofing method pursuant to Condition 7 of listed building consent dated 8 August 2023 (RN: 23/02367/LBC)
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25/07393/ADLBC Awaiting decision
18 Seymour Street London W1H 7HU
Details of method of waterproofing of the vaults pursuant to condition 7 of planning permission dated 8th August 2023 (RN:23/02367/LBC)
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26/01486/LBC Granted
18 Seymour Street London W1H 7HU
Replacement of the structurally failing front basement lightwell wall, with repair and reinstatement of railings and plinth stones; the introduction of a concealed structural backing wall (Stepoc blocks reinforced with concrete) and a lime-bedded reclaimed brick-facing wall.
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25/05696/LBC Granted
Flat 3 20A Seymour Street London W1H 7HX
Layout changes including increasing size of bedroom, relocate bathroom door to create an en-suite, increase size of kitchen and divide box room to the lower floor to create a guest WC and Utility room.
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25/09083/LBC Awaiting decision
20A Seymour Street London W1H 7HX
Installation of replacement sash windows and a replacement skylight within a smaller opening. [Linked with 25/09082/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)