Planning application
Top Floor Flat 71 Randolph Avenue London W9 1DW
Works: Loft or dormer Windows or glazing
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Amendments to planning permission dated 20th December 2024 (RN: 24/07825/FULL) for the reconfiguring the internal staircase and layout, expanding and relocating the existing rear mansard window and door to terrace and adding two conservation-style rooflights to the rear slope of the existing roof. NAMELY, to replace two existing casement windows on the front facade at fourth-floor level with sash windows.
As published by the council, reference 25/06214/NMA
Application record
- Reference
- 25/06214/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Refused As published: Application Refused
- Received
- 2 Sep 2025
- Validated
- 2 Sep 2025
- Decided
- 29 Sep 2025
- Ward
- Little Venice
- Decision by
- Delegated Decision
- Postcode
- W9 1DW
Site history
Applications at this address on the Westminster register
This site has had 3 applications since 2025: 2 approved, 1 refused.
-
25/07831/LBC Granted
Top Floor Flat 71 Randolph Avenue London W9 1DW
Replacement of existing casement windows to the two front dormer windows at fourth floor level with new timber sliding sash windows. (Linked with 25/07830/FULL)
-
25/07830/FULL Granted
Top Floor Flat 71 Randolph Avenue London W9 1DW
Replacement of existing casement windows to the two front dormer windows at fourth floor level with new timber sliding sash windows. (Linked with 25/07831/LBC)
Timeline
Dates from the published record
-
2 Sep 2025
Received by Westminster
-
29 Sep 2025
Decision issued: Application Refused
-
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
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
9 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 refusal means
Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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
-
Flat 3 61 Randolph Avenue London W9 1DW
Detailed drawings of the windows pursuant to condition 3 of listed building consent dated 19th September 2025 (RN: 25/05295/LBC).
Refused Conditions Windows or glazing 9 docs -
Flat 3 61 Randolph Avenue London W9 1DW
Details of changes to windows pursuant to condition 3 of listed building consent dated 18 September 2025 (RN: 25/05295/LBC)
Granted Conditions Windows or glazing 3 docs -
Top Floor Flat 71 Randolph Avenue London W9 1DW
Replacement of existing casement windows to the two front dormer windows at fourth floor level with new timber sliding sash windows. (Linked with 25/07830/FULL)
Granted Heritage and listed buildings Loft or dormer Windows or glazing 3 docs -
Top Floor Flat 71 Randolph Avenue London W9 1DW
Replacement of existing casement windows to the two front dormer windows at fourth floor level with new timber sliding sash windows. (Linked with 25/07831/LBC)
Granted Full applications Loft or dormer Windows or glazing 16 docs -
Basement Flat 77 Randolph Avenue London W9 1DW
Alterations to front lightwell including alteration to stairs, railings, windows and doors and infill under front entrance bridge. (Linked to 20/07041/LBC).
Granted Full applications Extension Windows or glazing 31 docs -
85 Warrington Crescent London W9 1EH
1 x Cypress: reduce lateral branches on north-east side of tree by 2m, ensuring 2m clearance from property.
Granted Trees 3 docs
Other amendment applications
In Westminster
-
26/07389/NMA Awaiting decision
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.
-
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
-
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.
-
26/07312/NMA Awaiting decision
15 Rodmarton Street London W1U 8BL
Amendment to planning permission dated 5 May 2026 (26/00539/FULL) for: Erection of a single storey conservatory at rear ground floor level, use of the garage as internal living accommodation and installation of a new skylight at main roof level namely, to allow a reduction in the size of the rear orangery and alterations to its roof arrangement.
-
26/07317/NMA Awaiting decision
42 - 44 Beak Street London W1F 9RH
Amendments to planning permission dated 28 October 2025 (25/06226/FULL) for: Installation of a replacement entrance door and the formation of an additional new entrance at ground floor level; associated alterations to the ground floor facade and the installation of plant and related mechanical equipment at roof level namely, paint colour and lighting.