Planning application
11 Baker Street London W1U 3AH
Works: Extension
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Development and refurbishment of the existing office (Class E) building comprising the replacement of level 07; a two storey upward office extension plus roof terrace and ancillary function room; installation of plant equipment at roof level; facade replacement; re-alignment of the building line at ground floor level; cycle parking; soft landscaping and associated external works.
As published by the council, reference 26/03854/FULL
Application record
- Reference
- 26/03854/FULL
- Category
- Full applications
- Status
- Pending
- Received
- 11 Jun 2026
- Validated
- 11 Jun 2026
- Postcode
- W1U 3AH
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/04506/FULL Awaiting decision
11 Baker Street London W1U 3AH
External alterations comprising rear addition to service core at level 07; re-alignment of the building line and alterations to the front facade at ground floor; replacement of plant equipment at roof level; and associated works
Timeline
Dates from the published record
-
11 Jun 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 6 August 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 66 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 full applications in a median of 91 days. More in our guide to how long planning decisions take.
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
-
11 Baker Street London W1U 3AH
87% historically approved · decision due ~1 Sep
External alterations comprising rear addition to service core at level 07; re-alignment of the building line and alterations to the front facade at ground floor; replacement of plant equipment at roof level; and associated works
Awaiting decision Full applications 50 docs -
16 Baker Street London W1U 3HS
Display of 11 vinyls on the external ground floor windows for a temporary period of one year from 01 September 2025 until 31 August 2026. .
Granted Advertising Windows or glazing 9 docs -
16 Baker Street London W1U 3HS
87% historically approved · decision due ~2 Apr
Alterations to shopfront.
Awaiting decision Full applications Windows or glazing 9 docs -
16 Baker Street London W1U 3HS
84% historically approved · decision due ~2 Apr
Display of three halo illuminated and internally illuminated (letters only) fascia signs.
Awaiting decision Advertising 7 docs -
16 Baker Street London W1U 3HS
84% historically approved · decision due ~8 Sep
Display of two internally illuminated advertisement screens on bus shelter outside 16 Baker Street measuring 2.1m x 1.34m.
Decided Advertising -
96 George Street London W1U 8PB
84% historically approved · decision due ~7 May
Display of externally applied vinyl advertisements to shopfront windows fronting George Street and Loxton Walk for a temporary period until 30 October 2026.
Awaiting decision Advertising Windows or glazing 8 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)