Planning application
Fourth Floor 2 Cavendish Square London W1G 0PU
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
Installation of internal secondary glazing to the 4th-floor windows, with internal reversible, non-destructive fixings into the window reveals, and slimline units to maintain background ventilation and prevent interstitial condensation.
As published by the council, reference 26/05967/LBC
Application record
- Reference
- 26/05967/LBC
- Category
- Heritage and listed buildings
- Status
- Pending
- Received
- 1 Sep 2026
- Validated
- 8 Sep 2026
- Postcode
- W1G 0PU
Timeline
Dates from the published record
-
1 Sep 2026
Received by Westminster
-
8 Sep 2026
Validated
Checked as complete and ready for consideration.
-
11 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 3 November 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 91 days over the applications it decided in the last year.
What 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 heritage and listed building applications in a median of 119 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
2 Cavendish Square London W1G 0PA
Display for a temporary period of six months of a non-illuminated estate agent board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.
Granted Advertising 8 docs -
2 Cavendish Square London W1G 0PA
Removal of existing plant equipment. Installation of new air source heat pump, two new air conditioning units and relocation of four existing air conditioning units within existing plant enclosure at roof level. Associated alterations to lift atrium roof.
Granted Full applications 21 docs -
1 Cavendish Square London W1G 0LA
Details of new windows and roof lights pursuant to Condition 5(B) PART of Listed Building Consent dated 03 September 2024 (RN23/08101/LBC)
Granted Conditions Loft or dormer Windows or glazing 7 docs -
3 Cavendish Square London W1G 0LB
90% historically approved · decision due ~9 Oct
Internal fit out of office space on the fourth and fifth floor level.
Decided Heritage and listed buildings -
3 Cavendish Square London W1G 0LB
89% historically approved · decision due ~22 Oct
Renewal for a temporary period of six months for the display of a non-illuminated 'to let' board attached to the railings in front of the building at street level measuring 0.6m x 0.45m.
Decided 4 docs -
Third Floor 3 Cavendish Square London W1G 0LB
Fit out works to the third floor
Granted Heritage and listed buildings 22 docs
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