Hallam House 56 - 60 Hallam Street London W1W 6JL Data via plota.co.uk
Proposal
Details of appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site pursuant to condition 18 of planning permission dated 19 November 2025 (RN: 25/04301/FULL). Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. A decision is expected by 8 Apr 2026.
Documents 5
Application forms 1
Other documents 4
Associated applications 2
Part of
Demolition of existing roof plant room and erection of a single floor roof extension to provide one residential unit (Class C3).…Conditions 18 awaiting decision
- ConditionsDetails of appropriate arrangements to secure measures to mitigate the potential increased…This application26/00826/ADFULL
Site constraints 9
Show all 12 with distances
- 8 mGeneral Medical CouncilGrade II
- 52 m8, Hallam Mews W1Grade II
- 57 m12, Weymouth Street W1Grade II
- 60 m56 and 58, Portland Place W1Grade II*
- 62 mThe Royal Institute of British ArchitectsGrade II*
- 67 m34-52, Portland Place W1Grade II*
- 106 m73, New Cavendish Street W1Grade II
- 113 mStatue of Sir George Stuart White in Centre of Road South of Weymouth Street CrossingGrade II
- 130 m41-47, Portland Place W1Grade II*
- 134 m32, Portland Place W1Grade II
- 137 m27-35 Portland PlaceGrade II*
- 142 m26-30, Portland Place W1Grade II*
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 2
Last sold for £9,072,000 in April 2025. Other property, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in March 2017, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Westminster
- Application type
- Approval of Details (Full PP)
- Postcode
- W1W 6JL
- Received
- 11 Feb 2026
- Validated
- 11 Feb 2026
- Ward
- West End
- Case officer
- Show
- Target decision
- 8 Apr 2026
- Applicant
- Show
- Agent
- Savills
- Freehold owner
- Show
Public comments
No public comments yet.
Last counted 3 Nov 2026
Consultation & key dates
- Alt. reference
- PP-14694600
- Planning Portal ref
- PP-14694600
- Env. assessment
- No
Historical activity at this location
29 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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Hallam House 56 - 60 Hallam Street London W1W 6JL
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Freehold owner, on paid plans
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