Planning application
26/00794/LBC
Flat 7 Crofton House 1 New Cavendish Street London W1G 8US
Proposal
Internal alterations including blocking up of an existing opening to accommodate two distinct bathrooms.
As published by the council, reference 26/00794/LBC
Timeline
Dates from the published record
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10 Feb 2026
Received by Westminster
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3 Mar 2026
Validated
Checked as complete and ready for consideration.
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8 Apr 2026
Decision issued: Application Permitted
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21 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
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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25/07064/FULL Awaiting decision
Crofton House 1 New Cavendish Street London W1G 8US
Refurbishment works to flat 7 the existing flat including formation of new kitchen and bathroom including removal of section of internal partition, replacing existing non-original internal doors, secondary glazing to existing windows and refurbishment of existing windows, installation of new heating system and new joinery. Installation of new insulated roof covering to existing roof(Linked to 25/07065/LBC)
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25/07065/LBC Awaiting decision
Crofton House 1 New Cavendish Street London W1G 8US
Refurbishment works to flat 7 the existing flat including formation of new kitchen and bathroom including removal of section of internal partition, replacing existing non-original internal doors, secondary glazing to existing windows and refurbishment of existing windows, installation of new heating system and new joinery. Installation of new insulated roof covering to existing roof. (Linked to 25/07064/FULL)
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25/08757/ADV Granted
8 Marylebone High Street London W1U 4NN
Display of one internally illuminated projecting sign measuring 0.45m x 0.85m.
-
25/08120/ADV Awaiting decision
8 Marylebone High Street London W1U 4NN
Display of non illuminated hoarding sign measuring 4.14m x 7.02m for a temproary period from 31st December 2025 until 30th June 2026.
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26/02440/ADV Awaiting decision
9 - 9A Marylebone High Street London W1U 4NW
Display of a non-illuminated banner measuring 2m x 9m suspended on catenary wires at two locations along Marylebone High Street for a temporary period from 21 May 2026 to 15 June 2026.
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25/08142/FULL Awaiting decision
1 Marylebone Street London W1G 8JA
Installation of an air source heat pump within the external courtyard of the rear, lower ground floor level of the building.
Other heritage and listed buildings applications
In Westminster
-
26/04984/LBC Awaiting decision
47G Randolph Avenue London W9 1BQ
Installation of replacement fire surround.
-
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)
-
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)