Planning application
Flat 3 21 Cleveland Square London W2 6DG
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Detailed drawings showing top floor front and rear windows/doors to be timber-framed, alteration to the scheme: all replacement windows to second, third and fourth floors be vacuum or slimline double-glazed (with a maximum total glazing depth of 16mm), and photographs or specifications of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to conditions 4, 5, 6 of planning permission dated 31st July 2025 (RN 24/08233/FULL)
As published by the council, reference 25/08170/ADFULL
Application record
- Reference
- 25/08170/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Pending
- Received
- 10 Nov 2025
- Validated
- 18 Nov 2025
- Ward
- Lancaster Gate
- Postcode
- W2 6DG
Site history
Applications at this address on the Westminster register
This site has had 7 applications since 2025: 0 approved, 1 refused.
-
26/02923/LBC Awaiting decision
Flat 3 21 Cleveland Square London W2 6DG
Installation of two new heat pumps located on the roof terrace (previously approved under refs. 24/08233/FULL and 24/08234/LBC) and internal alterations, in association with the amalgamation of Flat 3 and Flat 5 to form a single residential unit. (Linked to 26/02922/FULL)
-
26/02922/FULL Awaiting decision
Flat 3 21 Cleveland Square London W2 6DG
Amalgamation of Flat 3 and Flat 5 to form a single residential unit and installation of two heat pumps on the roof terrace (previously approved under refs. 24/08233/FULL and 24/08234/LBC) (Linked to 26/02923/LBC)
-
25/07604/ADLBC Withdrawn
Flat 3 21 Cleveland Square London W2 6DG
Details of facing materials to be used, including glazing, and elevations and roof plans, and details of top floor front and rear windows/doors pursuant to Conditions 3, 4 and 5 of Listed Building Consent dated 31 July 2025 (RN: 24/08234/LBC)
-
25/06875/LBC Withdrawn
Flat 3 21 Cleveland Square London W2 6DG
Installation of two new heat pumps located on the roof terrace. Internal alterations including removal of one boiler, one kitchen, and two ensuite bathrooms. In association with amalgamation of Flat 3 and Flat 5 to form a single residential unit (Linked to 25/06874/FULL)
-
25/06874/FULL Withdrawn
Flat 3 21 Cleveland Square London W2 6DG
Installation of two new heat pumps located on the roof terrace. Internal alterations including removal of one boiler, one kitchen, and two ensuite bathrooms. In association with amalgamation of Flat 3 and Flat 5 to form a single residential unit (linked to 25/06875/LBC)
-
25/06094/ADLBC Refused
Flat 3 21 Cleveland Square London W2 6DG
Details of facing materials you will use, including glazing, and elevations and roof plans, top floor front and rear windows/doors to be timber-framed and replacement windows to second, third and fourth floors be vacuum or slimline double-glazed pursuant to Conditions 3, 4 and 5 of Listed Building Consent dated 31 July 2025 (RN24/08234/LBC)
Timeline
Dates from the published record
-
10 Nov 2025
Received by Westminster
-
18 Nov 2025
Validated
Checked as complete and ready for consideration.
-
20 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 13 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
Office Ten Architecture Agent, an architecture practice registered in London
Active · incorporated 2021 · London
10 applications on PlanIndex · across 3 councils
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
24 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.
Watch members (£5 a month) open the document list 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 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
-
Flat 3 21 Cleveland Square London W2 6DG
Details of facing materials you will use, including glazing, and elevations and roof plans, top floor front and rear windows/doors to be timber-framed and replacement windows to second, third and fourth floors be vacuum or slimline double-glazed pursuant to Conditions 3, 4 and 5 of Listed Building Consent dated 31 July 2025 (RN24/08234/LBC)
Refused Conditions Windows or glazing 29 docs -
Flat 3 21 Cleveland Square London W2 6DG
87% historically approved · decision due ~29 Jun
Amalgamation of Flat 3 and Flat 5 to form a single residential unit and installation of two heat pumps on the roof terrace (previously approved under refs. 24/08233/FULL and 24/08234/LBC) (Linked to 26/02923/LBC)
Awaiting decision Full applications 33 docs -
Flat 3 21 Cleveland Square London W2 6DG
90% historically approved · decision due ~29 Jun
Installation of two new heat pumps located on the roof terrace (previously approved under refs. 24/08233/FULL and 24/08234/LBC) and internal alterations, in association with the amalgamation of Flat 3 and Flat 5 to form a single residential unit. (Linked to 26/02922/FULL)
Awaiting decision Heritage and listed buildings 29 docs -
Flat 3 21 Cleveland Square London W2 6DG
Installation of two new heat pumps located on the roof terrace. Internal alterations including removal of one boiler, one kitchen, and two ensuite bathrooms. In association with amalgamation of Flat 3 and Flat 5 to form a single residential unit (linked to 25/06875/LBC)
Withdrawn Full applications 33 docs -
Flat 3 21 Cleveland Square London W2 6DG
Details of facing materials to be used, including glazing, and elevations and roof plans, and details of top floor front and rear windows/doors pursuant to Conditions 3, 4 and 5 of Listed Building Consent dated 31 July 2025 (RN: 24/08234/LBC)
Withdrawn Conditions Windows or glazing 10 docs -
Flat 3 21 Cleveland Square London W2 6DG
Installation of two new heat pumps located on the roof terrace. Internal alterations including removal of one boiler, one kitchen, and two ensuite bathrooms. In association with amalgamation of Flat 3 and Flat 5 to form a single residential unit (Linked to 25/06874/FULL)
Withdrawn Heritage and listed buildings 30 docs
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