Planning application
129 Randolph Avenue London W9 1DN
Works: Extension Windows or glazing
Relates to 25/05523/FULL
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 08 October 2025 (RN: 25/05523/FULL) for the: NAMELY, to allow the provision of an opaque timber-framed glazed panel along the side elevation of rear extension and formation of new sash window on the side elevation at lower ground floor level.
As published by the council, reference 25/07958/NMA
Application record
- Reference
- 25/07958/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Refused As published: Application Refused
- Received
- 3 Nov 2025
- Validated
- 3 Nov 2025
- Decided
- 21 Nov 2025
- Ward
- Maida Vale
- Decision by
- Delegated Decision
- Postcode
- W9 1DN
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2025: 1 approved, 2 refused.
-
26/04168/FULL Awaiting decision
129 Randolph Avenue London W9 1DN
Replacement of existing front boundary wall with new London Stock wall and Wrought Iron entrance gate spanning between two new brick piers to match the height of the pier shared with 127 Randolph Avenue.
-
26/01889/FULL Awaiting decision
129 Randolph Avenue London W9 1DN
Replacement of existing front boundary wall with new London Stock walls and Wrought Iron railings and access door and bin store.
-
25/06019/FULL Refused
129 Randolph Avenue London W9 1DN
Variation of condition 1 of planning permission dated 16th July 2025 (RN:25/02409/FULL) for the Erection of dormers to the rear and side slopes, installation of skylight to the roof crown and one small conservation rooflight to the side roofslope. Namely, to amend the size of the side dormer.
-
25/05523/FULL Granted
129 Randolph Avenue London W9 1DN
Erection of a single storey rear extension with green roof and skylight at lower ground floor level; alterations to lower ground floor side windows and doors; replacement of existing windows with double glazed windows to match existing; and associated works.
Timeline
Dates from the published record
-
3 Nov 2025
Received by Westminster
-
21 Nov 2025
Decision issued: Application Refused
-
21 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
-
25/05523/FULL Granted
129 Randolph Avenue London W9 1DN
Erection of a single storey rear extension with green roof and skylight at lower ground floor level; alterations to lower ground floor side windows and doors; replacement of existing windows with double glazed windows to match existing; and associated works.
Who's behind it
Company information only, from the register and Companies House
Mida Architecture Ltd Agent, an architecture practice registered in London
Active · incorporated 2017 · London
10 applications on PlanIndex · across 5 councils
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
-
129 Randolph Avenue London W9 1DN
88% historically approved · decision due ~9 Jun
Replacement of existing front boundary wall with new London Stock walls and Wrought Iron railings and access door and bin store.
Awaiting decision Full applications 14 docsSmall domestic -
129 Randolph Avenue London W9 1DN
Erection of a single storey rear extension with green roof and skylight at lower ground floor level; alterations to lower ground floor side windows and doors; replacement of existing windows with double glazed windows to match existing; and associated works.
Granted Full applications Extension Windows or glazing 28 docsSmall domestic -
129 Randolph Avenue London W9 1DN
Variation of condition 1 of planning permission dated 16th July 2025 (RN:25/02409/FULL) for the Erection of dormers to the rear and side slopes, installation of skylight to the roof crown and one small conservation rooflight to the side roofslope. Namely, to amend the size of the side dormer.
Refused Full applications Loft or dormer 25 docs -
137 Randolph Avenue London W9 1DN
1 x Bay (T1). Whole crown reduction, including reducing the overall height by approximately 5m, and reducing the radius of the crown by approximately 1m.
Granted Trees 4 docs -
129 Randolph Avenue London W9 1DN
88% historically approved · decision due ~15 Sep
Replacement of existing front boundary wall with new London Stock wall and Wrought Iron entrance gate spanning between two new brick piers to match the height of the pier shared with 127 Randolph Avenue.
Awaiting decision Full applications 11 docsSmall domestic -
123 Randolph Avenue London W9 1DN
Excavation of front garden and vault to provide single storey infill extension at lower ground floor level and associated works.
Granted Full applications Extension 10 docsSmall domestic
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 5 Grittleton Road.
-
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.
-
26/07281/NMA Awaiting decision
Brymon Court 31 - 32 Montagu Square London W1H 2LH
Amendments to planning permission dated 6 May 2026 (25/07520/FULL) for: Replacement of windows to the front, side and rear elevations with aluminium framed windows namely, to include the replacement of five doors.
-
26/07243/NMA Awaiting decision
144 Praed Street London W2 1HU
Amendments to planning permission dated 09 August 2024 (RN: 22/08247/FULL) for the replacement of the mansard roof with a sheer brickwork extension, new mansard roof extension and rooftop plant enclosure to provide additional hotel accommodation (Class C1); alterations to facade fenestration and shopfronts; installation of a green wall to the side (north-east); and associated works. NAMELY, to amend Condition 13 to require details of the modular green wall to be submitted prior to commencement of the relevant part of the development.