Planning application
36 Devonshire Place Mews London W1G 6DD
Works: Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
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/X5990/W/24/3351064)
As published by the council, reference 25/08620/ADFULL
Application record
- Reference
- 25/08620/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 25 Nov 2025
- Validated
- 25 Nov 2025
- Decided
- 18 Feb 2026
- Ward
- Marylebone
- Decision by
- Delegated Decision
- Postcode
- W1G 6DD
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
25/06761/NMA Granted
36 Devonshire Place Mews London W1G 6DD
Amendments to planning permission granted on appeal dated 27 February 2025 (RN:23/08700/FULL and APP/X5990/W/24/3351064) for Demolition of existing building and erection of replacement dwellinghouse (Class C3) over ground, first and second floor levels with rear balcony at first floor level; NAMELY, to increase external wall thickness, amend the wording of Condition 6, to make minor amendments to windows and the rear dormer, internal alterations and removal of one drainpipe.
Timeline
Dates from the published record
-
25 Nov 2025
Received by Westminster
-
18 Feb 2026
Decision issued: Application Permitted
-
1 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Syte Architects Ltd Agent, an architecture practice registered in London
Active · incorporated 2002 · London
15 applications on PlanIndex · across 4 councils · 87% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
32 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 18 February 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
-
36 Devonshire Place Mews London W1G 6DD
Amendments to planning permission granted on appeal dated 27 February 2025 (RN:23/08700/FULL and APP/X5990/W/24/3351064) for Demolition of existing building and erection of replacement dwellinghouse (Class C3) over ground, first and second floor levels with rear balcony at first floor level; NAMELY, to increase external wall thickness, amend the wording of Condition 6, to make minor amendments to windows and the rear dormer, internal alterations and removal of one drainpipe.
Granted Amendments Loft or dormer Demolition +1 21 docsDomestic -
37 Devonshire Place London W1G 6JS
Excavation at rear basement level to create additional accommodation, including rooflights to existing ground floor terrace.
Granted Full applications Loft or dormer 9 docs -
37 Devonshire Place London W1G 6JS
Extension to basement and beneath ground floor breakfast room, including rooflights to existing ground floor terrace.
Granted Heritage and listed buildings Extension Loft or dormer 2 docs -
37 Devonshire Place London W1G 6JS
Details of windows and doors pursuant to Condition 2(1) of listed building consent dated 28 December 2006 (RN: 06/09057).
Refused Conditions Windows or glazing 4 docs -
37 Devonshire Place London W1G 6JS
Alterations to basement/ground floor flat to include new windows and rear extension (excavation) at basement level.
Granted Full applications Extension Windows or glazing 8 docs -
37 Devonshire Place London W1G 6JS
Alterations to basement/ground floor flat to include new windows and rear extension at basement level.
Granted Heritage and listed buildings Extension Windows or glazing 2 docs
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