2 Mansfield Street Westminster W1G 9NF
Erection of roof extension to the existing mansard roof with associated elevational alterations on both the Duchess and Mansfield Street elevations, replacement of single glazing with slimline double-glazing on the rear elevation, internal reconfiguration, replacement rooflights and one ASHP at main roof level. (Linked with 24/05860/FULL)
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Progress
Application details
- Reference
- 24/05861/LBC
- Local authority
- Westminster
- Postcode
- W1G 9NF
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 22 Aug 2024
- Validated
- 22 Aug 2024
- Target decision
- 17 Oct 2024
- Decided
- 14 Feb 2025
Estimated project value
£49k–£100k
Based on the 30.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 30m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 5 recent sales are listed below.
- FLAT 49, 2 MANSFIELD STREET, LONDON, W1G 9NFFlat or maisonette · Leasehold · £2,140,7507 months ago30 Jan 2026
- FLAT 6, 2 MANSFIELD STREET, LONDON, W1G 9NFFlat or maisonette · Leasehold · £800,0009 months ago5 Dec 2025
- FLAT 20, 2 MANSFIELD STREET, LONDON, W1G 9NFFlat or maisonette · Leasehold · Not a standard market sale · £4,250,00011 months ago9 Oct 2025
- FLAT 53, 2 MANSFIELD STREET, LONDON, W1G 9NFFlat or maisonette · Leasehold · £1,275,00017 months ago14 Mar 2025
- FLAT 41, 2 MANSFIELD STREET, LONDON, W1G 9NFFlat or maisonette · Leasehold · £3,905,00021 months ago2 Dec 2024
- FLAT 7, 2 MANSFIELD STREET, LONDON, W1G 9NFFlat or maisonette · Leasehold · £1,575,0002 years ago8 Jul 2024
- FLAT 10, 2 MANSFIELD STREET, LONDON, W1G 9NFFlat or maisonette · Leasehold · £1,225,0002 years ago19 Feb 2024
- FLAT 30, 2 MANSFIELD STREET, LONDON, W1G 9NFFlat or maisonette · Leasehold · £4,400,0002 years ago12 Jan 2024
Homes here go for about £1,575,000 — the median of the last 7 market sales in W1G 9NF, £800,000 to £4,400,000.
Contains HM Land Registry data © Crown copyright and database right 2026. 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.
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