Planning application
Flat 3 Carysfort House West Halkin Street London SW1X 8JS
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
Replacement of single glazed windows at the ground floor flat front elevation, with slimline double glazed windows in matching style.
As published by the council, reference 26/05493/LBC
Application record
- Reference
- 26/05493/LBC
- Category
- Heritage and listed buildings
- Status
- Pending
- Received
- 12 Aug 2026
- Validated
- 12 Aug 2026
- Postcode
- SW1X 8JS
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/05492/FULL Awaiting decision
Flat 3 Carysfort House West Halkin Street London SW1X 8JS
Replacement of single glazed windows at the ground floor flat front elevation, with slimline double glazed windows in matching style.
Timeline
Dates from the published record
-
12 Aug 2026
Received by Westminster
-
18 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 7 October 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 61 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 87 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 500 metres
-
Flat 3 Carysfort House West Halkin Street London SW1X 8JS
87% historically approved · decision due ~7 Oct
Replacement of single glazed windows at the ground floor flat front elevation, with slimline double glazed windows in matching style.
Awaiting decision Full applications Windows or glazing -
15 Halkin Mews London SW1X 8JZ
87% historically approved · decision due ~1 Jan
Installation of two sets of traditional-style window security bars to the existing ground floor front windows.
Awaiting decision Full applications Windows or glazing 10 docs -
15 Halkin Mews London SW1X 8JZ
90% historically approved · decision due ~1 Jan
Installation of two sets of traditional-style window security bars to the existing ground floor front windows.
Awaiting decision Heritage and listed buildings Windows or glazing 11 docs -
3C Motcomb Street London SW1X 8JU
90% historically approved · decision due ~9 Jul
Extension of the existing fire escape platform and replacement of the fire escape door. [Linked to 26/03199/FULL]
Awaiting decision Heritage and listed buildings Extension 10 docs -
Flat 4 16 West Halkin Street London SW1X 8JL
Creation of terrace on flat roof and replacement of a window with a door to access the terrace.
Withdrawn Full applications Windows or glazing 20 docs -
11A West Halkin Street London SW1X 8JL
Regulation 5 Notice of Intention to Install Fixed Line Broadband Apparatus to a Listed Building.
Decided Telecoms
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