Planning application
Leconfield House Curzon Street London W1J 5JA
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
External facade alterations of Leconfield House. (Linked with 26/02747/ADV)
As published by the council, reference 26/02739/FULL
Application record
- Reference
- 26/02739/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 24 Apr 2026
- Validated
- 24 Apr 2026
- Ward
- West End
- Postcode
- W1J 5JA
Site history
Applications at this address on the Westminster register
This site has had 3 applications since 2026.
-
26/03580/P3JPA Awaiting decision
Leconfield House Curzon Street London W1J 5JA
Prior approval for change of use from commercial (Class E) to residential (Class 3) at Leconfield House, Curzon Street under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).
-
26/02747/ADV Awaiting decision
Leconfield House Curzon Street London W1J 5JA
Display of externally illuminated temporary display image to the scaffolding wrapping measuring 29.3m x 66m. Linked with 26/02739/FULL
Timeline
Dates from the published record
-
24 Apr 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 19 June 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 65 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Carter Jonas LLP Agent
885 applications on PlanIndex · across 131 councils · 88% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
44 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.
Trade members open them from here.
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 89 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 500 metres
-
Leconfield House Curzon Street London W1J 5JA
89% historically approved · decision due ~27 Jul
Prior approval for change of use from commercial (Class E) to residential (Class 3) at Leconfield House, Curzon Street under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).
Awaiting decision Prior approval 23 docsDomestic -
Leconfield House Curzon Street London W1J 5JA
84% historically approved · decision due ~19 Jun
Display of externally illuminated temporary display image to the scaffolding wrapping measuring 29.3m x 66m. Linked with 26/02739/FULL
Awaiting decision Advertising 14 docs -
Chesterfield House South Audley Street London W1K 1HA
Installation of 6 no. antennas, 2 no. transmission dishes and 3 no. radio equipment cabinets on the roof of the building, all located within a GRP screen, and ancillary development thereto.
Refused Full applications 31 docs -
Curzon House 21 - 23 Curzon Street London W1J 7TE
91% historically approved · decision due ~10 Apr
Details of approval of two additional samples of the brick cleaning pursuant to condition 3 of listed building dated 15th July 2025 (RN:25/03459/LBC)
Awaiting decision Conditions 17 docs -
19 Curzon Street London W1J 7TB
Installation of three satellite dishes at roof level.
Granted Full applications 8 docs -
19 Curzon Street London W1J 7TB
Installation of three satellite dishes at roof level.
Granted Heritage and listed buildings 2 docs
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26/06295/FULL Awaiting decision
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26/06297/FULL Awaiting decision
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Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.
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26/06249/FULL Awaiting decision
53 Wimpole Street London W1G 8YH
Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)
-
26/03576/FULL Decided
15A Devonshire Terrace London W2 3DW
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