40, 41, Washington House, Conduit Street, W1S 2YQ
Work to an existing home
Westminster · Reference 25/07055/FULL
Comment period closed
What is being proposed
Use of basement and part ground floor as dual alternative restaurant or retail (Class E) and use of part ground and first to sixth floors as offices (Class E), including provisions for cycle storage, refuse and servicing, and the erection of a 7th storey extension with front terrace to provide additional office (Class E) floorspace and the replacement of plant within an acoustic enclosure at roof level.
Description as published by Westminster.
What this could mean for you
These are the effects a proposal like this most often raises. Each one is a material planning consideration, so each can form the basis of a comment.
- Noise and disturbance
- Overlooking and loss of privacy
- Traffic and access
Derived automatically from the proposal wording. Read the full application before relying on it.
Timeline
Received
7 Oct 2025 · Submitted to the council
Validated
7 Oct 2025 · Checked and published
Comments close
12 Jun 2026 · Last day to have your say
Decision due
2 Dec 2025 · Target date, often slips
Decided
23 Jun 2026 · Outcome published
Key facts
- Reference
- 25/07055/FULL
- Authority
- Westminster
- Address
- 40, 41, Washington House, Conduit Street, W1S 2YQ
- Postcode
- W1S 2YQ
- Type
- Extension or home alteration
- Scale
- Minor
- Applicant
- Not published
- Agent
- Not published
- Received
- 7 Oct 2025
- Decision due
- 2 Dec 2025
Also happening nearby
40, 41, Washington House, Conduit Street, W1S 2YQ
Work to an existing home
Use of part basement and part ground floor as dual alternative restaurant or retail (Class E) and use of part basement ground and first to sixth floors as offices (Class E), provisions for cycle storage, refuse and servicing at mezzanine level; demolition of existing roof level plant area; various extensions to the building including rear infill extension at mezzanine level, rear extension at 4th and 5th floor levels, front side and rear extensions to the 6th floor level, construction of a 7th storey extension all to provide additional office (Class E) floorspace; replacement of the rear curtain wall facade at mezzanine to 3rd floor levels; the replacement of plant within an acoustic enclosure at roof level; reconfiguration of the ground floor Conduit Street frontage and other associated development.
Closes tomorrow