James Street Westminster W1U 1BW
Demolition of existing mansard roof, erection of a new sheer storey extension at fourth floor level and a new two storey mansard roof in association with the creation of 5 flats, reconfiguration of all fourth floor flats within 29 James Street, 27 James Street, 17-18 Picton Place and 14-16 Picton Place. External alterations including the restoration of the front facades along James Street and Picton Place and restoration of shop fronts.
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Progress
Application details
- Reference
- 16/00577/FULL
- Local authority
- Westminster
- Postcode
- W1U 1BW
- Ward
- MARYLEBONE HIGH STREET
- Application type
- All Other
- Property type
- Flat
Key dates
- Decided
- 13 Jun 2017
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
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- FLAT 1, ST. JAMES HOUSE, 15 - 16 PICTON PLACE, LONDON, W1U 1BWFlat or maisonette · Leasehold · £1,035,0003 years ago24 Mar 2023
- FLAT 4, ST. JAMES HOUSE, 15 - 16 PICTON PLACE, LONDON, W1U 1BWFlat or maisonette · Leasehold · Not a standard market sale · £1,050,00010 years ago22 Jul 2016
- FLAT 3, ST. JAMES HOUSE, 15 - 16 PICTON PLACE, LONDON, W1U 1BWFlat or maisonette · Leasehold · Not a standard market sale · £996,00012 years ago2 Oct 2013
- APARTMENT 1, 11 PICTON PLACE, LONDON, W1U 1BWFlat or maisonette · Leasehold · £1,135,00018 years ago9 Sept 2008
- APARTMENT 6, 11 PICTON PLACE, LONDON, W1U 1BWFlat or maisonette · Leasehold · £1,162,51218 years ago12 Jun 2008
- APARTMENT 11, 11 PICTON PLACE, LONDON, W1U 1BWFlat or maisonette · Leasehold · £689,00018 years ago5 Jun 2008
Homes here go for about £1,085,000 — the median of the last 4 market sales in W1U 1BW, £689,000 to £1,162,512.
Contains HM Land Registry data © Crown copyright and database right 2023. 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
- 29A James Street Westminster W1U 1DZPendingNext door
- 29A James Street Westminster W1U 1DZPendingNext door
- WestminsterPendingNext door
- 29A James Street Westminster W1U 1DZPermittedNext door
- WestminsterPermittedNext door
- 16, 17 Picton Place Westminster W1U 1BPPermittedNext door