Planning application
40 Argyll Street London W1B 3BR
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Detailed drawings and a bio-diversity management plan in relation to the planting at the roof terrace pursuant to condition 7 of planning permission dated 12 December 2023 (RN: 23/05907/FULL)
As published by the council, reference 25/08637/ADFULL
Application record
- Reference
- 25/08637/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 26 Nov 2025
- Validated
- 26 Nov 2025
- Decided
- 21 Jan 2026
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1B 3BR
Timeline
Dates from the published record
-
26 Nov 2025
Received by Westminster
-
21 Jan 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Newmark LLP Agent
921 applications on PlanIndex · across 40 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
5 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Westminster granted permission on 21 January 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
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 0.3 miles
-
234 Regent Street London W1B 3BR
89% historically approved · decision due ~17 Jun
Temporary installation of a series of eleven internally illuminated icons at first and second floor facade level.
Awaiting decision 7 docs -
28 Argyll Street London W1F 7EB
84% historically approved · decision due ~17 Mar
Display of halo-illuminated lettering measuring 3640mm x 305mm overall at fascia level above the corner entrance; and display of two externally illuminated projecting signs, each measuring 610mm x 610mm at ground floor level, one on the Argyll Street facade and one on the Little Argyll Street facade.
Awaiting decision Advertising 1 doc -
234 Regent Street London W1B 3BR
Display of internally illuminated icons on facade over an area of 9.7m x 9.7m for a temporary period from 01 May 2026 to 23 May 2026.
Refused Advertising 14 docs -
234 Regent Street London W1B 3BR
84% historically approved · decision due ~22 Jun
Display of internally illuminated icons on facade over an area of 6.3m x 8m for a temporary period from 04 May 2026 to 24 May 2026.
Awaiting decision Advertising 8 docs -
28 Argyll Street London W1F 7EB
Replacement of glazing to first floor window on Little Argyll Street elevation with louvred top panels.
Granted Full applications Windows or glazing 16 docs -
28 Argyll Street London W1F 7EB
Replacement of glazing to first floor window on Little Argyll Street elevation with louvred top panels.
Granted Heritage and listed buildings Windows or glazing 12 docs
Other full applications
In Westminster
-
26/06295/FULL Awaiting decision
15 Warwick Way London SW1V 1QT
Installation of a new shopfront with Medication Dispensing Outlet.
-
26/06297/FULL Awaiting decision
15 Warwick Way London SW1V 1QT
Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.
-
26/06294/FULL Awaiting decision
15 Eaton Mews South London SW1W 9HP
Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.
-
26/06317/FULL Awaiting decision
124 Hamilton Terrace London NW8 9UT
Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)
-
26/06273/FULL Awaiting decision
9A Grosvenor Square London W1K 5AE
Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)