Planning application
25/07831/LBC
Top Floor Flat 71 Randolph Avenue London W9 1DW
Proposal
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)
As published by the council, reference 25/07831/LBC
Timeline
Dates from the published record
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29 Oct 2025
Received by Westminster
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21 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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25/07830/FULL Awaiting decision
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)
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25/06214/NMA Refused
Top Floor Flat 71 Randolph Avenue London W9 1DW
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.
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25/07782/ADLBC Awaiting decision
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).
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25/08789/ADLBC Granted
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)
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25/07766/LBC Awaiting decision
Flat 2 61 Randolph Avenue London W9 1DW
Proposed upgrading of windows within the front elevation of the lower ground floor level flat and installation of an air source heat pump, the replacement of the kitchen window with a door within the existing opening and minimal internal alterations and new floor finishes. (Linked to 25/07765/FULL)
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25/07765/FULL Awaiting decision
Flat 2 61 Randolph Avenue London W9 1DW
Proposed upgrading of windows within the front elevation of the lower ground floor level flat and installation of an air source heat pump, the replacement of the kitchen window with a door within the existing opening and minimal internal alterations and new floor finishes. (Linked to 25/07766/LBC)
Other heritage and listed buildings applications
In Westminster
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26/04984/LBC Awaiting decision
47G Randolph Avenue London W9 1BQ
Installation of replacement fire surround.
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26/04997/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of a morning room side extension. (Linked to 26/04996/FULL)
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26/04979/LBC Awaiting decision
12 Brewer Street London W1F 0SF
Internal alterations including removal of internal enclosures; Replacement flooring, shelving and slatwall systems, staircase handrail repair and other associated joinery works.
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26/04987/LBC Awaiting decision
Basement And Ground Floor 8 Ganton Street London W1F 7QL
Repainting of the existing timber shopfront, hand-painted fascia lettering, installation of a new hanging sign using the existing projecting sign bracket, and installation of a discreet fascia-mounted LED trough light.
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26/04995/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of rear conservatory extensions and an entrance loggia to side with roof terrace above, together with associated landscaping and alterations. (Linked with 26/04994/FULL)