Planning application
36 Devonshire Place Mews London W1G 6DD
Works: Loft or dormer Demolition Windows or glazing Domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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.
As published by the council, reference 25/06761/NMA
Application record
- Reference
- 25/06761/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 19 Sep 2025
- Validated
- 19 Sep 2025
- Decided
- 23 Oct 2025
- 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.
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25/08620/ADFULL Granted
36 Devonshire Place Mews London W1G 6DD
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)
Timeline
Dates from the published record
-
19 Sep 2025
Received by Westminster
-
23 Oct 2025
Decision issued: Application Permitted
-
21 Jul 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
16 applications on PlanIndex · across 5 councils · 88% granted
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Plans, drawings, consultee responses and the officer's report
21 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 23 October 2025, 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 amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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36 Devonshire Place Mews London W1G 6DD
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)
Granted Full applications Windows or glazing 32 docs -
34 Devonshire Place London W1G 6JW
Removal of the existing lantern rooflight to the rear terrace together with reinforced concrete sloping slated wall and replace with a new flat triple glazed walk over rooflights.
Granted Full applications Loft or dormer Windows or glazing 11 docs -
34 Devonshire Place London W1G 6JW
Removal of the existing lantern rooflight to the rear terrace together with reinforced concrete sloping slated wall and replace with a new flat triple glazed walk over rooflights.
Granted Heritage and listed buildings Loft or dormer Windows or glazing 2 docs -
34 Devonshire Place London W1G 6JW
Detailed drawings (scale 1:20 and 1:5) of all new joinery and plaster work pursuant to Condition 7 of listed building consent dated 13 February 2012 (RN: 11/12412).
Granted Conditions 3 docs -
34 Devonshire Place London W1G 6JW
Detailed drawings (scale 1@20 and 1:5) of new bathroom layout showing servicing and drainage pursuant to Condition 4 of listed building consent dated 13 February 2012 (RN: 11/12412).
Granted Conditions 3 docs -
34 Devonshire Place London W1G 6JW
Details pursuant to condition 2(Part) of listed building consent dated 19 June 2023 (RN: 22/03230/LBC), namely detailed drawings of the fan light. (Linked with 25/04714/ADFULL).
Granted Conditions 6 docs
Other amendment applications
In Westminster
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26/07459/NMA Awaiting decision
1 Hanover Square London W1S 1HA
Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.
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26/07438/NMA Awaiting decision
29 - 31 Hill Street London W1J 5LS
Amendments to planning permission dated 1st July 2025 (RN 25/01006/FULL) for the external alterations at roof level including the creation of Level 04 roof terrace for use in association with existing office (Class E), replacement and installation of new plant and landscaping, replacement of windows, introduction of louvres, removal and replacement of rooflights, installation of new rooflight and other associated works. NAMELY, for alterations comprising of the removal of window sash boxes and weights, changes to the window mullion arrangement, the removal of two sash windows, the installation of secondary glazing, the removal of existing chamber hatch and installation of extract vent and integrated bench, the external replacement of rainwater goods and hoppers, the removal of bricks and installation of airbricks, minor demolition works, replacement of roof covering, removal of ductwork, roof plant rearrangement, the installation of a new external door to plant area, minor layout alterations and other associated works.
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26/07389/NMA Decided
Flat 1 5 Grittleton Road London W9 2DD
Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.
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26/07377/NMA Awaiting decision
60 Ledbury Road London W11 2AJ
Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C
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26/07375/NMA Awaiting decision
77 Hereford Road London W2 5BB
Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.