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
- 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
15 applications on PlanIndex · across 4 councils · 87% 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.
Trade members open them from here.
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 500 metres
-
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
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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.
-
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.
-
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)
-
26/06211/NMA Awaiting decision
15 Portland Place London W1B 1PT
Amendments to planning permission dated 21th July 2022 (RN:22/03521/FULL) for Variation of condition 5 of planning permission dated 11th April 2018 (17/10815/FULL) for the Use of the building for a temporary period of 20 years as a medical use (Use Class D1) personal to OM Tower LLP. Namely, to amend condition 3.
-
26/06199/NMA Awaiting decision
33 - 35 Praed Street London W2 1NR
Amendments to planning permission dated 24th Septmebr 2024 (RN:24/03287/FULL) for Use of lower ground and ground floors as supermarket with ancillary bakery (Class E); Use of first, second and third floors as aparthotel with 19 bedrooms (Class C1); Installation of plant machinery and solar thermal panels at roof level, Replacement of windows; and associated external alterations. Namely, Introduction of two shawarma grill machines in the supermarket area at ground floor level; the introduction of a new canopy to provide ventilation for the two shawarma grill machines; and amendments to the ventilation design for the lower ground floor bakery canopy extract.