71-79 Winchester Street Westminster SW1V 4NU
Alterations and extensions including the erection of mansard roof extensions and terraces at rear third floor level to Nos. 71-79 Winchester Street, erection of rear ground floor extension to No. 79 new windows to first floor side elevations to Nos. 71 and 79, internal alterations to the layout of the buildings to provide seven additional studios within the new mansard storey across Nos. 71 to 79, 5 x studios and 1 x 2 bed flat within No. 71, 1 additional studio within No. 79 and 1 additional studio at No. 75 in connection with their continued use as a House in Multiple Occupation (Sui Generis).
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Progress
Application details
- Reference
- 08/08965/FULL
- Local authority
- Westminster
- Postcode
- SW1V 4NU
- Ward
- WARWICK
- Application type
- All Other
- Property type
- Flat
Key dates
- Decided
- 16 Apr 2009
Estimated project value
£37k–£100k
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: Checkatrade 2026 loft conversion cost guide.
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing.
- FLAT 2, 81 WINCHESTER STREET, LONDON, SW1V 4NUFlat or maisonette · Leasehold · £675,9612 months ago15 Jun 2026
- FLAT B, 89 WINCHESTER STREET, LONDON, SW1V 4NUFlat or maisonette · Leasehold · £465,0002 years ago3 Jul 2024
- FLAT C, 89 WINCHESTER STREET, LONDON, SW1V 4NUFlat or maisonette · Leasehold · £1,535,0002 years ago19 Apr 2024
- 83 WINCHESTER STREET, LONDON, SW1V 4NUTerraced · £3,520,0003 years ago12 Oct 2022
- SECOND AND THIRD FLOOR MAISONETTE, 87 WINCHESTER STREET, LONDON, SW1V 4NUFlat or maisonette · Leasehold · £1,125,0005 years ago22 Jun 2021
- GROUND FLOOR FLAT, 87B WINCHESTER STREET, LONDON, SW1V 4NUFlat or maisonette · Leasehold · £677,5005 years ago16 Apr 2021
- FLAT 2, 81 WINCHESTER STREET, LONDON, SW1V 4NUFlat or maisonette · Leasehold · £695,0006 years ago19 Jun 2020
- FLAT D, 61 WINCHESTER STREET, LONDON, SW1V 4NUFlat or maisonette · Leasehold · £1,280,0007 years ago8 Aug 2019
Homes here go for about £910,000 — the median of the last 8 market sales in SW1V 4NU, £465,000 to £3,520,000.
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
- 77 Winchester Street Westminster SW1V 4NUPendingNext door
- 77 Winchester Street Westminster SW1V 4NUPendingNext door
- WestminsterPermittedNext door
- WestminsterPermittedNext door
- 66 Alderney Street Westminster SW1V 4EXPermittedNext door
- 64 Alderney Street Westminster SW1V 4EXPermittedNext door