1 Hanover Square Westminster W1S 1HA
Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors.
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
- 25/01558/FULL
- Local authority
- Westminster
- Postcode
- W1S 1HA
- Ward
- WEW_22
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 7 Mar 2025
- Validated
- 7 Mar 2025
- Comments close
- 26 Apr 2025
- Target decision
- 6 Jun 2025
- Decided
- 10 Oct 2025
Estimated project value
£30895k–£51495k
Based on the 12,715m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².
Floor area gained: 12,715m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 1 HANOVER SQUARE, LONDON, W1S 1HAOther · Not a standard market sale · £65,000,00023 months ago27 Sept 2024
- 1 HANOVER SQUARE, LONDON, W1S 1HAOther · Leasehold · Not a standard market sale · £74,900,0002 years ago5 Jan 2024
Contains HM Land Registry data © Crown copyright and database right 2024. 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
- 1 Hanover Square Westminster W1S 1HAPermittedNext door
- 1 Hanover Square Westminster W1S 1HAPermittedNext door
- 1 Hanover Square Westminster W1S 1HAPermittedNext door
- 1 Hanover Square Westminster W1S 1HAPermittedNext door
- 1 Hanover Square Westminster W1S 1HAPendingNext door
- 1, 2 Hanover Square Westminster W1S 1JXPermittedNext door