18-20 Warwick Street Westminster W1B 5NF
Internal and external alterations including alterations to 18-19 Warwick Street comprising alterations to fourth floor front facade,demolition of existing fifth floor and erection of roof extensions on fifth, sixth and part seventh floor to include plant enclosure and lift overrun, extension on rear fifth floor roof terrace, provision of new plant and green roofs; demolition of lift overrun and extension of roof terrace to no. 20; reconfiguration of accommodation to provide additional hotel bedrooms.
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Progress
Application details
- Reference
- 21/07390/FULL
- Local authority
- Westminster
- Postcode
- W1B 5NF
- Ward
- WEA_02
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 5 Nov 2021
- Validated
- 5 Nov 2021
- Comments close
- 8 Dec 2021
- Target decision
- 31 Dec 2021
- Decided
- 8 Mar 2022
Estimated project value
£305k–£635k
Based on the 188m² 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: 188m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- SANCTUM SOHO HOTEL, 20 WARWICK STREET, LONDON, W1B 5NFOther · Not a standard market sale · £22,000,00018 months ago26 Feb 2025
- SANCTUM SOHO HOTEL, 20 WARWICK STREET, LONDON, W1B 5NFOther · Not a standard market sale · £19,000,0005 years ago11 Jan 2021
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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