2 Mansfield Street Westminster W1G 9NF
Erection of roof extension to the existing mansard roof with associated elevational alterations on the Duchess Street and Rear Elevation, alterations to the existing mansard roof on the Mansfield Street Elevation including a new dormer window and the replacement of the existing external doors, two new rooflights at main roof level, installation of two external air conditioning (AC) condensers at main roof level, replacement of existing rooflights and windows, installation of new external cupboard at terrace level and internal reconfigurations throughout. (Linked with 26/02044/FULL)
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 26/02045/LBC
- Local authority
- Westminster
- Postcode
- W1G 9NF
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 27 Mar 2026
- Validated
- 27 Mar 2026
- Target decision
- 22 May 2026
- Decided
- 25 Jun 2026
Estimated project value
£24k–£50k
Based on the 14.8m² 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: 14.8m²
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.
Nearby applications
- 2 Mansfield Street Westminster W1G 9NFPermittedNext door
- 2 Mansfield Street Westminster W1G 9NFPermittedNext door
- 2 Mansfield Street Westminster W1G 9NFPermittedNext door
- 2 Mansfield Street Westminster W1G 9NZPendingNext door
- 2 Mansfield Street Westminster W1G 9NZPendingNext door
- 2 Mansfield Street Westminster W1G 9NFWithdrawnNext door