Westminster
Westminster/25/04301/FULL
Hallam House 56 - 60 Hallam Street London W1W 6JL
- Reference
- Westminster/25/04301/FULL
- Authority
- Westminster
- Application type
- FULL
- Address
- Hallam House 56 - 60 Hallam Street London W1W 6JL
- Postcode
- W1W 6JL
- Status
- Decided
- Decision
- Application Permitted
- Received
- 24 Jun 2025
- Validated
- 4 Aug 2025
- Started
- 4 Aug 2025
- Decided
- 19 Nov 2025
- Source council
- Westminster
- Council source record
- View public record
- Public data licence
- Open Government Licence v3.0
- Record updated
- 18 Jul 2026
- SEO index generated
- 24 Jul 2026
Location
Approximate location - Contains OS data © Crown copyright and database right
Proposal
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.
Key dates
- Received 24 Jun 2025
- Validated 4 Aug 2025
- Started 4 Aug 2025
- Decided 19 Nov 2025
Planning history / related applications
No related planning applications have been identified in the current public OGL dataset.
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- Ownership & title Registered owner and title from HM Land Registry.
- Viability & build potential Site scoring and development upside.
- Constraints Flood risk, green belt, conservation areas and designations.
- Approval signal Planning risk and approval-likelihood analysis.
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Source: public planning application data from Westminster, reused under the Open Government Licence v3.0. View the council source record. Council documents and drawings are not republished on plotEdge.