36 Devonshire Place Mews London W1G 6DD Data via plota.co.uk
Proposal
Details and programme of energy efficiency measures, details of sound insulation scheme, detailed schedule and annotated elevation and roof plans, of all proposed materials of external construction, including glazing and detailed drawings of windows and doors (including their method of openability) with elevations, plans and sections pursuant to condition 6, 7, 8, and 9 of the appeal decision dated 27th February 2025 (Appeal Ref: APP/) Data via plota.co.uk
Application progress
Approved on 18 Feb 2026 · Delegated Decision · Last checked 12 Oct 2026
Documents 32
Decision & officer reports 2
Plans & drawings 6
Other documents 24
Site constraints 11
Show all 28 with distances
- 3 mNos. 33 to 41, Devonshire PlaceGrade II
- 39 m27-31, Devonshire Place W1Grade II
- 50 m6-12, DEVONSHIRE PLACE W1 (See details for further address information)Grade II
- 64 m14-23, Upper Wimpole Street W1Grade II
- 74 m13, Devonshire Place W1Grade II
- 80 m14-17, Devonshire Place W1Grade II
- 80 m8-13, Upper Wimpole Street W1Grade II
- 84 m23-25, Devonshire Place W1Grade II
- 86 mMarylebone Adult Education CentreGrade II
- 101 m13, Devonshire Mews West W1Grade II
- 107 mPrince Regent Public HouseGrade II
- 114 m3 Lamp Standards in St Mary's Marylebone ChurchyardGrade II
- 115 m121, Harley Street W1Grade II*
- 115 m115a, Harley Street W1Grade II
- 116 m135-145, Harley Street W1Grade II
- 116 m127-131, Harley Street W1Grade II
- 120 m2, Nottingham Street W1Grade II
- 125 m7, Upper Wimpole Street W1Grade II
- 126 m3, Nottingham Street W1Grade II
- 131 m1-6, Upper Wimpole Street W1Grade II
- 132 m4, Nottingham Street W1Grade II
- 136 mChurch of St MaryleboneGrade I
- 137 m111 and 113, Harley Street W1Grade II
- 137 m115, Harley Street W1Grade II*
- 139 m5, Nottingham Street W1Grade II
- 139 m107 and 109, Harley Street W1Grade II*
- 145 mThe Old Rising Sun Public HouseGrade II
- 145 m24, Upper Wimpole Street W1Grade II
Checked on 12 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 £2,950,000 in August 2023. Terraced house, 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 March 2015, 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
- W1G 6DD
- Received
- 25 Nov 2025
- Validated
- 25 Nov 2025
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 20 Jan 2026
- Decision
- Application Permitted
- Decision date
- 18 Feb 2026
- Decision level
- Delegated Decision
- Appeal
- Dismissed · 26 Mar 2026 · Written Representations · Inspectorate case 6003094 ↗
- Applicant
- Show
- Agent
- Syte Architects
How this decision compares
Decided in 85 days from validation, 52 days slower than Westminster's median of 33 for discharge of conditions. Approved, as 90% of discharge of conditions here are.
Plota live figures for discharge of conditions decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 12 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14516774
- Planning Portal ref
- PP-14516774
- 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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36 Devonshire Place Mews London W1G 6DD
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Referenced application