11 Baker Street Westminster W1U 3AH
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. (updated noise report)
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Progress
Application details
- Reference
- 26/03854/FULL
- Local authority
- Westminster
- Postcode
- W1U 3AH
- Ward
- MBW_22
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 11 Jun 2026
- Validated
- 11 Jun 2026
- Comments close
- 17 Aug 2026
- Target decision
- 10 Sept 2026
Estimated project value
£4k–£34k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: trade estimate.
Floor area gained: 2,380m²
Recently sold nearby
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- 13 BAKER STREET, LONDON, W1U 3AHOther · Leasehold · Not a standard market sale · £91,250,00011 years ago8 Jul 2015
Contains HM Land Registry data © Crown copyright and database right 2015. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.
Recorded changes
- 26 Sept 2026: The proposal was amended
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