Planning application
1 Bentinck Street London W1U 2EA
Works: Windows or glazing
Relates to 26/05398/FULL
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05398/FULL)
As published by the council, reference 26/05399/LBC
Application record
- Reference
- 26/05399/LBC
- Category
- Heritage and listed buildings
- Status
- Pending
- Received
- 7 Aug 2026
- Validated
- 17 Aug 2026
- Postcode
- W1U 2EA
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/05398/FULL Awaiting decision
1 Bentinck Street London W1U 2EA
Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05399/LBC)
Timeline
Dates from the published record
-
7 Aug 2026
Received by Westminster
-
17 Aug 2026
Validated
Checked as complete and ready for consideration.
-
18 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 12 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.
Related applications
Cases linked to this one on the register
-
26/05398/FULL Awaiting decision
1 Bentinck Street London W1U 2EA
Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05399/LBC)
1 later application on the register refers to this one:
-
26/05398/FULL Awaiting decision
1 Bentinck Street London W1U 2EA
Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05399/LBC)
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
-
Ground Floor 1 Bentinck Street London W1U 2EA
87% historically approved · decision due ~2 Oct
Use of the ground floor for Dual Use as Retail (Class E (a)) and Caf/e (Class E (b)) for a temporary period of 20 years.
Awaiting decision Full applications -
1 Bentinck Street London W1U 2EA
87% historically approved · decision due ~12 Oct
Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05399/LBC)
Awaiting decision Full applications Windows or glazing -
4 Bentinck Street London W1U 2EF
Erection of a pergola at second floor with retractable awning and installation of bi-fold doors to the second-floor terrace.
Granted Full applications Windows or glazing 21 docs -
17 Welbeck Street London W1G 9XJ
Installation of five condenser units to internal lightwell and associated pipework and refurbishment works including repairs to external staircase. (Linked to 25/06438/LBC)
Granted Full applications 24 docs -
17 Welbeck Street London W1G 9XJ
Installation of five condenser units to internal lightwell and internal fan coil units with associated pipework, refurbishment works including repairs to external staircase, removal of non-original metal shutters to windows, reconstruct existing internal riser in fireproof material, replace non-original internal doors with panelled doors, replaced existing WCs, remove non-original internal glazing and rebuilt partition, insulation to roof, new partition to mansard roof. (Linked to 25/06437/FULL)
Granted Heritage and listed buildings Loft or dormer Windows or glazing 21 docs -
17 Welbeck Street London W1G 9XJ
Detailed drawings (scale 1:20 and 1:5) of the new doors, with key details and locations, including labelled and located photographs of existing to be replaced pursuant to condition 4 of listed building consent dated 3rd March 2026 (RN: 25/06438/LBC)
Granted Conditions 9 docs
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