120 Harley Street London W1G 7JW Data via plota.co.uk
Proposal
Internal and external alterations in connection with the installation of plant, structural repairs to Juliet balcony and front entrance steps. (Linked to 25/06391/FULL) Data via plota.co.uk
Application progress
Approved on 11 Nov 2025 · Delegated Decision · Last checked 18 Oct 2026
Documents 59
Decision & officer reports 2
Statements & assessments 6
Plans & drawings 44
Application forms 1
Other documents 6
Associated applications 2
- Internal and external alterations in connection with the installation of plant, structural repairs to Juliet balcony and front…
Site constraints 10
Show the other 41 with distances
- 21 m126-150, Harley Street W1Grade II
- 24 m121, Harley Street W1Grade II*
- 29 m127-131, Harley Street W1Grade II
- 44 m110 and 112, Harley Street W1Grade II
- 47 m14-18, DEVONSHIRE STREET W1 (See details for further address information)Grade II
- 49 m115, Harley Street W1Grade II*
- 55 m135-145, Harley Street W1Grade II
- 57 m111 and 113, Harley Street W1Grade II
- 59 m108, Harley Street W1Grade II
- 61 m40 Devonshire StreetGrade II
- 67 m115a, Harley Street W1Grade II
- 67 m106, Harley Street W1Grade II*
- 72 m107 and 109, Harley Street W1Grade II*
- 74 m104, Harley Street W1Grade II
- 80 m43-47, Devonshire Street W1Grade II
- 84 m100 and 102, Harley Street W1Grade II
- 88 m6-12, DEVONSHIRE PLACE W1 (See details for further address information)Grade II
- 96 m12, Devonshire Street W1Grade II
- 99 mNumbers 18 to 26 (Including the Former Number 27)Grade I
- 101 m13, Devonshire Mews West W1Grade II
- 101 m8-13, Upper Wimpole Street W1Grade II
- 102 m98, Harley Street W1Grade II
- 105 m101 Harley StreetGrade II
- 108 m75, Portland Place W1Grade II*
- 111 m96, Harley Street W1Grade II
- 114 m97 and 99, Harley Street W1Grade II
- 115 m69, Portland Place W1Grade II
- 119 m59-67, Portland Place W1Grade II*
- 120 m13, Devonshire Place W1Grade II
- 120 m92 and 94, Harley Street W1Grade II*
- 121 m77-81, Portland Place W1Grade II
- 124 m14-17, Devonshire Place W1Grade II
- 126 m7, Upper Wimpole Street W1Grade II
- 131 m1-6, Upper Wimpole Street W1Grade II
- 136 mNos. 33 to 41, Devonshire PlaceGrade II
- 136 m28 and 30, Weymouth StreetGrade II
- 139 m90, Harley Street W1Grade II
- 140 m90a, Harley Street W1Grade II
- 140 m14-23, Upper Wimpole Street W1Grade II
- 141 m93, Harley Street W1Grade II
- 147 m27-31, Devonshire 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.
Building
From the energy performance certificate lodged in July 2022, 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
- Listed Building Consent Application
- Postcode
- W1G 7JW
- Received
- 8 Sept 2025
- Validated
- 8 Sept 2025
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 11 Nov 2025
- Decision
- Application Permitted
- Decision date
- 11 Nov 2025
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Howard de Walden Estates ltd
- Leaseholder
- Show
How this decision compares
Decided in 64 days from validation, 7 days slower than Westminster's median of 57 for listed building works. Approved, as 90% of listed building works here are.
Plota live figures for listed building works decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
Last counted 18 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14254964
- Planning Portal ref
- PP-14254964
- Comments by
- 29 Oct 2025
- Site or press notice
- 8 Oct 2025
- Env. assessment
- No
Historical activity at this location
27 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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120 Harley Street London W1G 7JW
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