Planning application
28 Clarendon Gardens London W9 1AZ
Works: Extension Demolition Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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)
As published by the council, reference 25/08635/FULL
Application record
- Reference
- 25/08635/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 26 Nov 2025
- Validated
- 26 Nov 2025
- Ward
- Little Venice
- Postcode
- W9 1AZ
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025.
-
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)
Timeline
Dates from the published record
-
26 Nov 2025
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 21 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 65 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
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)
Who's behind it
Company information only, from the register and Companies House
Newmark LLP Agent
978 applications on PlanIndex · across 39 councils · 97% 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
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.
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
-
28 Clarendon Gardens London W9 1AZ
90% historically approved · decision due ~21 Jan
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)
Awaiting decision Heritage and listed buildings Extension Demolition +1 20 docs -
26C Clarendon Gardens London W9 1AZ
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).
Refused Conditions Windows or glazing 9 docs -
24 Clarendon Gardens London W9 1AZ
87% historically approved · decision due ~14 Oct
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)
Awaiting decision Full applications Extension Windows or glazing 24 docs -
24 Clarendon Gardens London W9 1AZ
91% historically approved · decision due ~14 Oct
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)
Awaiting decision Conditions Extension Windows or glazing 24 docs -
34 Clarendon Gardens London W9 1AZ
100% historically approved · decision due ~23 Sep
1 x Sycamore (T1, rear): Reduce the tree's crown by up to 4 metres, trimming back to the most recent and previous reduction points. 1 x Golden False Acacia (T2, rear): Trim the crown lightly by up to 1.5 metres and shape it sensitively.
Decided Trees -
26C Clarendon Gardens London W9 1AZ
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).
Granted Conditions Windows or glazing 7 docs
Other full applications
In Westminster
-
26/06295/FULL Awaiting decision
15 Warwick Way London SW1V 1QT
Installation of a new shopfront.
-
26/06297/FULL Awaiting decision
15 Warwick Way London SW1V 1QT
Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.
-
26/06234/FULL Awaiting decision
40 Grosvenor Place London SW1X 7HJ
Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))
-
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
Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)