Planning application
25/06617/ADLBC
26C Clarendon Gardens London W9 1AZ
Proposal
Detailed drawings showing the revision to the window scheme including details on retaining and refurbishing sash boxes to all windows, omitting reglazing of two rear original windows and joinery profiles to reflect the original lamb's tongue bars, pursuant to Condition 3 of Listed Building Consent dated 16 April 2025 (RN: 24/03615/LBC).
As published by the council, reference 25/06617/ADLBC
Timeline
Dates from the published record
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10 Sep 2025
Received by Westminster
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24 Oct 2025
Decision issued: Application Refused
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21 Jul 2026
Added to PlanIndex
What refusal means
The process from here
The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.
Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.
About conditions applications
How this application type works
This type of application deals with conditions attached to an existing permission, either by supplying the details a condition requires, called discharging it, or by asking to vary or remove one. It does not reopen the principle of the permission itself. Building often cannot lawfully start, or continue past a set stage, until the named conditions are discharged.
Nearby applications
Within 500 metres
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25/05872/ADFULL Awaiting decision
24 Clarendon Gardens London W9 1AZ
Detailed drawings including sections, and method statements where applicable; of the railings, balconies, gate showing traditional detail of hinges- each type showing location and giving key details with adjacent fabric, details of new rear infill extension including new external doors, and roof glazing showing details of materiality and key junctions with existing fabric, external staircase, ladders reflected ceiling plans showing light fittings etc and coordinated integrated services, indicating new or retained existing ceiling constructions, a method statement further to investigative works for removal of modern ceilings and reinstatement of historic ceilings if applicable, must be included, details of existing and proposed floor build ups further to investigative works, cross referred on plans, details of sample photos showing materiality and technical specifications of any new glazing for the windows and details of sample photographs and specifications of the paving material at rear garden, infill rear extension including glazing, frames, staircase, landing pursuant to condition 4 (A), (B), (C), (G), (I), 5 & 7 of planning permission dated 12th June 2025 (RN:25/00027/FULL)
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25/05867/ADLBC Awaiting decision
24 Clarendon Gardens London W9 1AZ
Details of railings, balconies, gate showing traditional detail of hinges, details of new rear infill extension including external doors, and roof glazing showing details of materiality and key junctions, external staircase, ladders, reflected ceiling plans showing light fittings , details of existing and proposed floor build ups, glazing samples, photographs and specifications of the paving material and detailed condition surveys pursuant to Conditions 5 (A,B,C,G and I), 6, 9 and 10 of Listed Building Consent dated 12 June 2025 (RN25/00028/LBC)
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25/08636/LBC Awaiting decision
28 Clarendon Gardens London W9 1AZ
Amalgamation of three residential units to provide one, one bedroom unit and one, three bedroom unit (Class C3); Demolition of existing conservatory and erection of glazed extension to rear, associated plant; renewing, replacement and relocation of windows and associated works. (Linked to 25/08635/FULL)
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25/08635/FULL Awaiting decision
28 Clarendon Gardens London W9 1AZ
Amalgamation of three residential units to provide one, one bedroom unit and one, three bedroom unit (Class C3); Demolition of existing conservatory and erection of glazed two storey extension to rear, use of the flat roof at third floor level as a terrace, associated plant; renewing, replacement and relocation of windows and associated works. (Linked to 25/08636/LBC)
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26/04311/LBC Awaiting decision
Upper Maisonette 22 Clarendon Gardens London W9 1AZ
Internal alterations to second floor.
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26/01149/CLOPUD Granted
37 Clifton Gardens London W9 1AR
Installation of one air source heat pump located on the main roof within an acoustic enclosure.
Other conditions applications
In Westminster
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26/04967/ADLBC Withdrawn
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Details of installation of services and related fixtures pursuant to condition 8 (partial) of listed building consent dated 10 June 2025 (RN: 25/01205/LBC)
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26/04860/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)
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26/04843/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).
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26/04998/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Detailed drawings of Bathroom and Kitchen details for apartments 01, 02, 08, 09, 10 and 11 and Reflected ceiling plans for Apartment 1 powder room and bathroom, Apartment 2 powder room and bathrooms, Apartment 8 power room and bathroom, Apartment 9 bathrooms, Apartment 10 bathroom and shower room, and Apartment 11 bathrooms pursuant to partial discharge of conditions 6.3 and 6.10 of listed building consent dated 14th March 2023 (RN: 22/05005/LBC).
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26/04992/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Detailed drawings of wall construction to new apartments pursuant to partial discharge of condition 6.2 of listed building consent dated 14th March 2023 (RN: 22/05005/LBC).