Planning application
12 Berkeley Street London W1J 8DT
Works: Extension Loft or dormer Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Variation of Condition 1 of planning permission dated 01 July 2025 (Ref: 25/00526/FULL) for, 'Alterations to 12 Berkeley Street including replacement of mansard roof with additional storey; extension of rear elevation pitch with inset terraces; infill of lightwell at basement and ground level; reconfiguration of shopfront at ground floor level; upgrades to the building's safety and sustainability performance; and associated works'; Namely, to allow the introduction of a new second-floor terrace, elevational refinements, material alterations, and associated detailing changes as part of the permitted works. (Application under Section 73 of the Act).
As published by the council, reference 25/08196/FULL
Application record
- Reference
- 25/08196/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 11 Nov 2025
- Validated
- 11 Nov 2025
- Ward
- West End
- Postcode
- W1J 8DT
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025.
-
26/02941/FULL Awaiting decision
12 Berkeley Street London W1J 8DT
Variation of condition 1 of planning permission dated 30 March 2026 (RN: 25/08196/FULL) for Alterations to 12 Berkeley Street including replacement of mansard roof with additional storey; extension of rear elevation pitch with inset terraces; infill of lightwell at basement and ground level; reconfiguration of shopfront at ground floor level; upgrades to the building's safety and sustainability performance; and associated works' NAMELY, omission of AHU unit on roof and installation of floor-by-floor MVHR system with associated works to windows, and creation of roof terrace. (Application under Section 73 of the Act).
Timeline
Dates from the published record
-
11 Nov 2025
Received by Westminster
-
20 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 6 January 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 66 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Gerald Eve LLP Agent
681 applications on PlanIndex · across 30 councils · 98% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
18 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.
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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 91 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
-
12 Berkeley Street London W1J 8DT
87% historically approved · decision due ~30 Jun
Variation of condition 1 of planning permission dated 30 March 2026 (RN: 25/08196/FULL) for Alterations to 12 Berkeley Street including replacement of mansard roof with additional storey; extension of rear elevation pitch with inset terraces; infill of lightwell at basement and ground level; reconfiguration of shopfront at ground floor level; upgrades to the building's safety and sustainability performance; and associated works' NAMELY, omission of AHU unit on roof and installation of floor-by-floor MVHR system with associated works to windows, and creation of roof terrace. (Application under Section 73 of the Act).
Awaiting decision Full applications Extension Loft or dormer +1 27 docs -
13 Berkeley Street London W1J 8DU
Fit out of internal office areas to existing 4th, 5th and 6th floors including strip out of existing non bearing internal partitions and joinery, independent from historic fabric; strip out of existing kitchens at rear rooms to 4th and 5th Floors; replacement of existing carpet floor tiles for new carpet floor, vinyl floor and ceramic tiles on existing non historic suspended subfloor; new proposed plaster board and glazed non bearing partitions and doors to form new layout, fixed to non historic fabric; decoration to existing perimetral independent lining partitions and ceilings; new proposed kitchen and toilets; installation of new lighting, small power and data and security system.
Granted Heritage and listed buildings Windows or glazing 27 docs -
11 Berkeley Street London W1J 8DS
Display of externally illuminated fascia sign measuring 2m X 0.6m
Granted Advertising 9 docs -
11 Berkeley Street London W1J 8DS
Installation of a new shopfront.
Granted Full applications Windows or glazing 17 docs -
38 Dover Street London W1S 4NL
Display for a temporary period of six months of a non-illuminated estate agent board located on the face of the building at a height of between 0.8m and 0.03m above pavement level and measuring 0.45m x 0.6m.
Granted Advertising 7 docs -
15 Berkeley Street London W1J 8DY
Installation of new shopfront.
Refused Full applications Windows or glazing 5 docs
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Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.
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