Planning application
8 Devonshire Close London W1G 7BA
Works: Loft or dormer Roofing Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Replacement of existing second floor with a mansard roof, alterations to fenestration of the front and rear elevations, construction of a new basement level and other associated development (Class C3).
As published by the council, reference 25/08533/FULL
Application record
- Reference
- 25/08533/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 21 Nov 2025
- Validated
- 7 Jan 2026
- Decided
- 2 Jul 2026
- Ward
- Marylebone
- Decision by
- Complex Delegated Decision
- Postcode
- W1G 7BA
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 1 approved, 0 refused.
-
26/04891/ADFULL Decided
8 Devonshire Close London W1G 7BA
Details of Wisteria Protection Method Statement pursuant to Condition 5 of planning permission dated 2nd July 2026 (RN: 25/08533/FULL).
Timeline
Dates from the published record
-
21 Nov 2025
Received by Westminster
-
7 Jan 2026
Validated
Checked as complete and ready for consideration.
-
2 Jul 2026
Decision issued: Application Permitted
-
10 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
26/04891/ADFULL Decided
8 Devonshire Close London W1G 7BA
Details of Wisteria Protection Method Statement pursuant to Condition 5 of planning permission dated 2nd July 2026 (RN: 25/08533/FULL).
Who's behind it
Company information only, from the register and Companies House
hgh Consulting Ltd Agent
406 applications on PlanIndex · across 41 councils · 90% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
49 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 2 July 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
8 Devonshire Close London W1G 7BA
Details of Wisteria Protection Method Statement pursuant to Condition 5 of planning permission dated 2nd July 2026 (RN: 25/08533/FULL).
Decided -
4 Devonshire Close London W1G 7BA
89% historically approved · decision due ~23 Sep
Details of windows, PV panels and doors / facing materials / brickwork salvage / brickwork samples / redesigned garage doors pursuant to conditions 4, 5, 10, 11 and 12 of planning permission dated 19 November 2025 (RN: 25/04318/FULL)
Decided Windows or glazing -
4 Devonshire Close London W1G 7BA
Details of site investigation (phase 1 - 3) pursuant to condition 9 (part) of planning permission dated 19 November 2025 (RN: 25/04318/FULL)
Granted Full applications 5 docs -
4 Devonshire Close London W1G 7BA
Details of Whole Life Carbon Assessment pursuant to condition 7 (part 1) of planning permission dated 19 November 2025 (RN: 25/04318/FULL)
Granted Full applications 6 docs -
10 Devonshire Close London W1G 7BA
Amendments to planning permission dated 17 November 2021 (RN: 21/03064/FULL) for, 'Erection of a replacement building over enlarged lower ground floor, ground floor and first and second floor level, with a two-storey closet wing to the rear at lower ground and ground floor level, for use as a single-family dwelling (Class C3). Creation of terrace at rear second floor level. Installation of PVs at main roof level and plant within an acoustic screen at rear ground floor level'; NAMELY, to revise the description of development to: 'Demolition of existing building and erection of a replacement building over enlarged lower ground floor, ground floor and first and second floor level, with a two-storey closet wing to the rear at lower ground and ground floor level, for use as a single-family dwelling (Class C3). Creation of terrace at rear second floor level. Installation of PVs at main roof level and plant within an acoustic screen at rear ground floor level'.
Granted Amendments Demolition 6 docsDomestic -
9 Devonshire Close London W1G 7BA
Detailed drawings/sections of the new windows (sections must also be provided showing the context of the timber panelling with any existing fabric) pursuant to condition 4 of planning permission dated 29th April 2025 (RN: 25/00062/FULL)
Granted Full applications Windows or glazing 8 docs
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