The Westbury Hotel 37 Conduit Street London W1S 2YF Data via plota.co.uk
Proposal
Amendments to planning permission dated 29 November 2024 (RN: ) for Erection of a ninth floor extension with terraces accessible from the new accommodation. Erection of a fire escape stair/hatch and installation of railing to fire escape route at ninth floor level. Installation of photovoltaics to ninth floor and to the roof of additional accommodation. All in connection with the enlargement and retrofit of the existing hotel (Class C1). NAMELY, to alter the approved balustrade around the roof terrace from metal to glass, alter access point to terrace Data via plota.co.uk
Application progress
Approved on 12 Mar 2026 · Delegated Decision · Last checked 6 Aug 2026
Documents 4
Decision & officer reports 2
Other documents 2
Licence at this address
Licensed hours are what the licence permits, not opening times.
Site constraints 10
Show all 50 with distances
- 29 m42 and 43, Conduit Street W1Grade II
- 38 m8, Clifford Street W1Grade II*
- 41 m9, Clifford Street W1Grade II
- 52 m22 and 23, Old Burlington Street W1Grade II
- 53 m26, New Bond Street W1Grade II
- 55 m3 St George StreetGrade II
- 57 m46, Conduit Street W1Grade II
- 58 m5, Clifford Street W1Grade II
- 62 m4 St George StreetGrade II
- 63 m47, Conduit Street W1Grade II
- 64 m4, Clifford Street W1Grade II
- 70 mTime and Life BuildingGrade II*
- 70 m48, Conduit Street W1Grade II
- 71 m20, Conduit Street W1Grade II
- 76 mThe Fine Art SocietyGrade II
- 76 m32 St George StreetGrade II
- 78 m6 and 7 St George StreetGrade II
- 81 m144-146 New Bond Street (Formerly Colnaghi)Grade II
- 85 mSotheby'sGrade II
- 87 m16, Clifford Street W1Grade II
- 89 m17, Clifford Street W1Grade II
- 90 m143, New Bond Street W1Grade II
- 91 m8 to 10 St George StreetGrade II
- 91 m39-42, New Bond StreetGrade II
- 91 m36, New Bond Street W1Grade II
- 92 m24A, OLD BURLINGTON STREET W1 (See details for further address information)Grade II*
- 97 m30 St George StreetGrade II
- 99 m162 New Bond StreetGrade II
- 102 m47, Maddox Street, including workshops to rearGrade II
- 105 m140, New Bond Street W1Grade II
- 111 mChurch of St George, Vestry and ObelisksGrade I
- 119 m135-137, New Bond Street W1Grade II
- 120 m49, Maddox Street W1Grade II
- 120 m5 Bollards in North End of Bruton Place Outside Numbers 1 to 7 and on Corner With Bruton StreetGrade II
- 121 mShop Front to Wartski JewellersGrade II
- 129 m15a, Grafton Street W1Grade II
- 132 m16, Grafton Street W1Grade II
- 133 m17, Savile Row W1Grade II
- 134 m32, Bruton Street W1Grade II
- 135 m131-134, New Bond Street W1Grade II
- 138 m16, Savile Row W1Grade II
- 139 mNumbers 23 Albemarle Street and 16a, 16b and 16c Grafton StreetGrade II
- 142 mAsprey'sGrade II
- 143 m12a and 12b St George Street and 46a Maddox StreetGrade II
- 143 m11, New Bond Street W1Grade II
- 143 m10-38, Bourdon StreetGrade II
- 144 m31, Bruton Street W1Grade II
- 149 m14, Savile Row W1Grade II*
- 149 m22, Albemarle StreetGrade II
- 150 m9, Conduit Street W1Grade II*
Checked on 6 October 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.
Building
From the energy performance certificate lodged in March 2020, the latest held for this property. The building may have changed since. View the certificate
Every application in Westminster - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Westminster
- Application type
- Non-material amendments
- Postcode
- W1S 2YF
- Received
- 6 Feb 2026
- Validated
- 6 Feb 2026
- Ward
- West End
- Case officer
- Show
- Target decision
- 6 Mar 2026
- Decision
- Application Permitted
- Decision date
- 12 Mar 2026
- Decision level
- Delegated Decision
- Agent
- hgh Consulting
- Leaseholder
- Show
How this decision compares
Decided in 34 days from validation, 21 days faster than Westminster's median of 55 for extensions. Approved, as 88% of extensions here are.
Plota live figures for extensions decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 6 Aug 2026
Consultation & key dates
- Alt. reference
- PP-14527158
- Planning Portal ref
- PP-14527158
- Env. assessment
- No
Historical activity at this location
37 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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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.
Leaseholders: 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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The Westbury Hotel 37 Conduit Street London W1S 2YF
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