56, 60 Hallam Street Westminster W1W 6JL
Demolition of existing roof plant room and erection of a single floor roof extension to provide one residential unit (Class C3). Erection of replacement plant room, and provision of an external terrace, landscaping and green roof. Alterations to rear fenestration pattern. Erection of single storey lower ground floor extension within rear lightwell to provide additional office floorspace (Class E) and replacement of a window with a door at front ground floor level.
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Progress
Application details
- Reference
- 25/04301/FULL
- Local authority
- Westminster
- Postcode
- W1W 6JL
- Ward
- WEW_22
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 4 Aug 2025
- Validated
- 4 Aug 2025
- Comments close
- 8 Sept 2025
- Target decision
- 29 Sept 2025
- Decided
- 19 Nov 2025
Estimated project value
£295k–£610k
Based on the 181m² 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: 181.1m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 56 - 60 HALLAM STREET, LONDON, W1W 6JLOther · Not a standard market sale · £9,072,00018 months ago10 Apr 2025
- 56 - 60 HALLAM STREET, LONDON, W1W 6JLOther · Not a standard market sale · £4,500,0002 years ago14 Mar 2024
Contains HM Land Registry data © Crown copyright and database right 2025. 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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