33 Devonshire Mews West London W1G 6QF Data via plota.co.uk
Proposal
Confirmation of lawful commencement of works in accordance with planning permission (RN ) Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. A decision is expected by 3 Dec 2026.
Documents 14
Statements & assessments 1
Plans & drawings 1
Application forms 2
Other documents 10
Associated applications 4
- LawfulnessConfirmation of lawful commencement of works in accordance with planning permission (RN)This application26/06865/CLEUD
Site constraints 11
Show all 31 with distances
- 5 m135-145, Harley Street W1Grade II
- 10 m127-131, Harley Street W1Grade II
- 33 m13, Devonshire Mews West W1Grade II
- 36 m6-12, DEVONSHIRE PLACE W1 (See details for further address information)Grade II
- 47 m126-150, Harley Street W1Grade II
- 47 m121, Harley Street W1Grade II*
- 50 m13, Devonshire Place W1Grade II
- 54 m14-17, Devonshire Place W1Grade II
- 58 m120 and 122, Harley Street W1Grade II
- 83 m27-31, Devonshire Place W1Grade II
- 83 mNos. 33 to 41, Devonshire PlaceGrade II
- 88 m115a, Harley Street W1Grade II
- 90 m115, Harley Street W1Grade II*
- 96 m8-13, Upper Wimpole Street W1Grade II
- 99 m111 and 113, Harley Street W1Grade II
- 101 m110 and 112, Harley Street W1Grade II
- 102 m23-25, Devonshire Place W1Grade II
- 110 m14-18, DEVONSHIRE STREET W1 (See details for further address information)Grade II
- 114 m107 and 109, Harley Street W1Grade II*
- 114 m108, Harley Street W1Grade II
- 115 mNumbers 18 to 26 (Including the Former Number 27)Grade I
- 119 m14-23, Upper Wimpole Street W1Grade II
- 122 m106, Harley Street W1Grade II*
- 129 m104, Harley Street W1Grade II
- 131 m40 Devonshire StreetGrade II
- 137 m100 and 102, Harley Street W1Grade II
- 142 m7, Upper Wimpole Street W1Grade II
- 147 mUlster PlaceGrade I
- 148 m101 Harley StreetGrade II
- 149 m1-6, Upper Wimpole Street W1Grade II
- 149 m43-47, Devonshire Street W1Grade II
Checked on 13 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.
Sales history 1
Last sold for £465,000 in February 2000. Flat or maisonette, leasehold.
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 February 2025, 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
- Certificate of Lawfulness (existing)
- Postcode
- W1G 6QF
- Received
- 8 Oct 2026
- Validated
- 8 Oct 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 3 Dec 2026
- Applicant
- Show
- Agent
- Logic Planning
Public comments
No public comments yet.
23 neighbours consulted · Last counted 14 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15233857
- Planning Portal ref
- PP-15233857
- 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.
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.
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33 Devonshire Mews West London W1G 6QF
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Referenced application
Council archive
33 Devonshire Mews West London W1G 6QF
Erection of new roof extension to existing flat roof and alterations to front elevation all in connection with the use of the property as two residential units (Class C3)
- Received
- 19 May 2023
- Decided
- 8 Aug 2023
- Outcome
- Approved