9 Weymouth Mews Westminster W1G 7EA
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 and associated internal works. (Linked to 26/07208/FULL)
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Progress
Application details
- Reference
- 26/07209/LBC
- Local authority
- Westminster
- Postcode
- W1G 7EA
- Ward
- MBW_22
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 21 Oct 2026
- Validated
- 21 Oct 2026
- Target decision
- 16 Dec 2026
Estimated project value
£135k–£340k
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.
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.
- 8 WEYMOUTH MEWS, LONDON, W1G 7EAOther · Leasehold · Not a standard market sale · £5,310,0007 years ago16 Jan 2019
- 13 WEYMOUTH MEWS, LONDON, W1G 7EATerraced · £2,250,0009 years ago6 Feb 2017
- FLAT 3, 17 WEYMOUTH MEWS, LONDON, W1G 7EAFlat or maisonette · Leasehold · £740,00015 years ago7 Jun 2011
- SECOND FLOOR FLAT 3, 17 WEYMOUTH MEWS, LONDON, W1G 7EAFlat or maisonette · Leasehold · £220,00022 years ago17 Sept 2004
- 13 WEYMOUTH MEWS, LONDON, W1G 7EATerraced · £210,00029 years ago1 Jul 1997
- SECOND FLOOR FLAT 3, 17 WEYMOUTH MEWS, LONDON, W1G 7EAFlat or maisonette · Leasehold · £80,00030 years ago2 Aug 1996
Homes here go for about £220,000 — the median of the last 5 market sales in W1G 7EA, £80,000 to £2,250,000.
Contains HM Land Registry data © Crown copyright and database right 2019. 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.
Nearby applications
- 9 Weymouth Mews Westminster W1G 7EAPendingNext door
- 9 Weymouth Mews Westminster W1G 7EAPermittedNext door
- 43 Portland Place Westminster W1B 1QQPermittedAdjoining
- 43 Portland Place Westminster W1B 1QQPermittedAdjoining
- 11 Weymouth Mews 11A Weymouth Mews Westminster W1G 7DYPermittedAdjoining
- 41 Portland Place Westminster W1B 1QHPermittedAdjoining