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
15 applications on PlanIndex · across 4 councils · 87% 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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26/06232/NMA Awaiting decision
37 Trevor Place London SW7 1LE
Amendments to planning permission dated 17th July 2026 (RN 26/03030/FULL) for the Alterations including enlargement of louvres and installation of new plant in basement; landscaping of roof terrace; second floor windows replaced with door sets; partial demolition at ground and first floor levels to create new lightwell and landscaped courtyard. NAMELY, addition of a free-standing sauna to the second-floor roof terrace.
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26/06256/NMA Awaiting decision
Queens Court Queensway London W2 4QN
Amendments to planning permission dated 21st May 2026 (RN:25/05013/FULL) for Variation of conditions 1, 3, 8, 9 and 17 of planning permission dated 11th May 2022 (RN 18/09765/FULL) for the Change of use of rear part of Queensway Market to Retail, Financial and Professional services, Office and Restaurant (within Class E) use and 5 residential units facing Princes Court, reconfiguration of retail units along Queensway including introduction of Retail uses at Nos.23 and 33 (current entrances to Queensway Market) and use of Nos.25 and 41-43 Queensway as Restaurant uses, installation of new shopfronts to Nos.23 to 43 Queensway 23-43, erection of infill extension to rear at ground floor level, erection of two new pavilion structures for Retail use and associated new hard and soft landscaping on land between Queens Court and Princes Court, installation of green roofs, rooflights and mechanical plant within enclosures to first floor level roofs between projecting rear wings of Queens Court installation of kitchen extract ducts to rear elevations, and associated cycle parking, waste storage, plant and other ancillary alterations ('Application 2'). Namely, to vary the hours of operation for the refrigeration plant controlled by condition 6.
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26/06251/NMA Awaiting decision
19 Cumberland Street London SW1V 4LS
Amendments to planning permission dated 20th March 2026 (RN:25/08960/FULL) for Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory, new roof level rear single dormer with access to third floor roof terrace, alterations to windows and external refurbishment, namely the change of conservatory gable roof to a flat GRP roof.
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26/06201/NMA Awaiting decision
Almack House 28 King Street St James's London SW1Y 6QW
Amendments to planning permission dated 16th April 2026 (RN:26/01487/FULL) for Installation of a mechanical plant at lower ground floor and installation of two grilles to two lower ground floor windows, namely change to approved grille.
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26/06212/NMA Awaiting decision
10 - 11 Lancaster Gate London W2 3LH
Amendment to Condition 12 (Whole Life Carbon) of planning permission dated 19th April 2024 (RN 23/04044/FULL) for Change of use from hotel to residential use (Class C3) with associated internal alterations to create 11 new units and external alterations comprising reconfiguration and recladding of the rear extension and restoration of the existing building. Namely to include additional requirement to evidence and justify where benchmarks cannot be achieved, consider mitigation measures and if none, evidence that all mitigation measures have been exhausted. (Linked with RN 26/06213/ADFULL)