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Planning application

26C Clarendon Gardens London W9 1AZ

Refused Westminster 25/06617/ADLBC Approval of Details (ADLBC)

Works: Windows or glazing

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

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

Application record

Reference
25/06617/ADLBC
Type
Approval of Details (ADLBC)
Status
Decided
Decision
Application Refused
Received
10 Sep 2025
Validated
10 Sep 2025
Decided
24 Oct 2025
Ward
Little Venice
Decision by
Delegated Decision
Postcode
W9 1AZ

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025: 1 approved, 1 refused.

  • 26/00673/ADLBC Granted

    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).

    Decided 18 Feb 2026 Conditions

Timeline

Dates from the published record

  1. 10 Sep 2025

    Received by Westminster

  2. 24 Oct 2025

    Decision issued: Application Refused

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Of Architecture Ltd Agent, an architecture practice registered in London

Active · incorporated 2020 · London

6 applications on PlanIndex · across 4 councils

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Documents

Plans, drawings, consultee responses and the officer's report

9 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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What this refusal means

Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About condition discharge and variation applications

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 24 Clarendon Gardens London W9 1AZ

    25/05872/ADFULL Submitted 19 Aug 2025 0m away

    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

    25/05867/ADLBC Submitted 19 Aug 2025 0m away

    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

    26/05103/TCA Submitted 29 Jul 2026 0m away

    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

    26/00673/ADLBC Submitted 21 Nov 2025 0m away

    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
  • 28 Clarendon Gardens London W9 1AZ

    25/08636/LBC Submitted 26 Nov 2025 6m away

    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
  • 28 Clarendon Gardens London W9 1AZ

    25/08635/FULL Submitted 26 Nov 2025 6m away

    87% 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 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)

    Awaiting decision Full applications Extension Demolition +1 24 docs

In Westminster

  • 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)

    20 Jul 2026 Conditions
  • 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).

    20 Jul 2026 Conditions
  • 26/05026/ADLBC Awaiting decision

    St James's Park The Mall London SW1A 1AA

    Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)

    27 Jul 2026 Conditions
  • 26/04850/ADLBC Awaiting decision

    17 Belgrave Square London SW1X 8PG

    Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)

    20 Jul 2026 Conditions
  • 25/07120/ADLBC Granted

    72 - 74 Lancaster Gate London W2 3NH

    Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)

    2 Oct 2025 Conditions