34 Devonshire Close London W1G 7BE Data via plota.co.uk
Proposal
Installation of two side dormers. Data via plota.co.uk
Application progress
Approved on 17 Aug 2026 · Delegated Decision · Last checked 18 Aug 2026
Documents 16
Decision & officer reports 2
Statements & assessments 2
Plans & drawings 6
Application forms 1
Consultation & comments 1
Site constraints 10
Show all 49 with distances
- 2 m28 and 30, Weymouth StreetGrade II
- 17 m22, Weymouth StreetGrade II
- 37 m59-67, Portland Place W1Grade II*
- 45 m96, Harley Street W1Grade II
- 45 m92 and 94, Harley Street W1Grade II*
- 46 m98, Harley Street W1Grade II
- 46 m90a, Harley Street W1Grade II
- 48 m100 and 102, Harley Street W1Grade II
- 49 m31, Weymouth Street W1Grade II
- 51 m41-47, Portland Place W1Grade II*
- 55 mNumber 33, Including Conservatory, Area Walls and Party Walls With Tile MuralsGrade II
- 59 m43-47, Devonshire Street W1Grade II
- 60 m104, Harley Street W1Grade II
- 60 m90, Harley Street W1Grade II
- 69 m40 Devonshire StreetGrade II
- 72 m106, Harley Street W1Grade II*
- 73 m108, Harley Street W1Grade II
- 74 m69, Portland Place W1Grade II
- 74 m88, Harley Street W1Grade II*
- 77 m86, Harley Street W1Grade II
- 80 m110 and 112, Harley Street W1Grade II
- 91 mThird Floor And Fourth Floor Flat 82 Harley Street London W1G 7HB
- 94 m101 Harley StreetGrade II
- 95 m97 and 99, Harley Street W1Grade II
- 96 m93, Harley Street W1Grade II
- 97 m14-18, DEVONSHIRE STREET W1 (See details for further address information)Grade II
- 98 mStatue of Sir George Stuart White in Centre of Road South of Weymouth Street CrossingGrade II
- 100 m12, Devonshire Street W1Grade II
- 102 m107 and 109, Harley Street W1Grade II*
- 103 mThe Royal Institute of British ArchitectsGrade II*
- 105 m91, Harley Street W1Grade II
- 108 m78, Harley StreetGrade II*
- 110 m111 and 113, Harley Street W1Grade II
- 112 mThe JackalopeGrade II
- 116 m56 and 58, Portland Place W1Grade II*
- 119 m115, Harley Street W1Grade II*
- 120 m83 and 85, Harley Street W1Grade II*
- 120 m27-35 Portland PlaceGrade II*
- 125 m75, Portland Place W1Grade II*
- 130 m34-52, Portland Place W1Grade II*
- 132 m79 and 81, Harley Street W1Grade II
- 134 m120 and 122, Harley Street W1Grade II
- 135 m61 and 63, New Cavendish Street W1Grade II*
- 137 m77-81, Portland Place W1Grade II
- 144 m115a, Harley Street W1Grade II
- 147 m77, Harley Street W1Grade II*
- 148 m121, Harley Street W1Grade II*
- 148 m64 and 66, Harley Street W1Grade II
- 148 m12, Weymouth 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.
Sales history 1
Last sold for £313,000 in May 2003. Terraced house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
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
- Full Planning Permission Application
- Postcode
- W1G 7BE
- Received
- 1 Jul 2026
- Validated
- 1 Jul 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 26 Aug 2026
- Decision
- Application Permitted
- Decision date
- 17 Aug 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Stiff + Trevillion
How this decision compares
Decided in 47 days from validation, 8 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.
6 neighbours consulted · Last counted 18 Aug 2026
Consultation & key dates
- Alt. reference
- PP-15047787
- Planning Portal ref
- PP-15047787
- Comments by
- 12 Aug 2026
- Site or press notice
- 22 Jul 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
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.
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34 Devonshire Close London W1G 7BE
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