Convert basement office space into part of the adjoining home, adding a staircase, separating wall and alterations to the rear lightwell.
9, Weymouth Mews, W1G 7EA
Trades this could involve
Official description
Conversion of part of the basement currently in office use associated with 43 Portland Place (Use Class E) to residential use to extend the existing dwellinghouse at 9 Weymouth Mews (Use Class C3), together with the formation of a new internal staircase connecting the basement to the dwelling, construction of a separating wall, alterations to the rear lightwell elevation. (Linked to 26/07209/LBC)
- Council
- Westminster
- Reference
- 26/07208/FULL
- Application type
- All Other
- Status
- Application Under Consideration
- Submitted
- 21 Oct 2026
- Postcode
- W1G 7EA
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