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129 Randolph Avenue London W9 1DN

25/07958/NMANon-material amendmentsRefused
Discharge / amendments

Refused on 21 November 2025

Site boundary (council red line)

Proposal

Amendments to planning permission dated 08 October 2025 (RN: 25/05523/FULL) for the: NAMELY, to allow the provision of a narrow, opaque, fixed timber-framed glazed panel along the side elevation of the newly approved rear extension and introduce a new sash window on the side elevation at lower ground floor level.

Received
3 November 2025
Ward
Maida Vale
Agent
MIDA Architecture
  1. Received3 Nov
  2. Validated3 Nov
  3. Consult.
  4. Target1 Dec
  5. Decided21 Nov

Decided in 18 days (council typically 49)

About this application

This is an application to amend a permission at 129 Randolph Avenue London W9 1DN. Westminster has handled 604 applications of this type. This one was decided in 18 days, 4 weeks quicker than Westminster's typical decision time. The site is in the Maida Vale conservation area, with 3 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 20 applications across Maida Vale. We hold 1,428 applications in total for the W9 postcode area.

88% of amendment applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
W9 1DN
Application type
Non-material amendments
Scale / size
Small

Planning application dates

Date validated
3 November 2025
Target decision date
1 December 2025

Applicant and agent

Agent
MIDA Architecture
Architect profile
MIDA ARCHITECTURE LIMITED
Agent address
unit 20 43 Carol Street London NW1 0HT United Kingdom

Planning decision

Statutory period
28 days

Additional information

Planning Portal ID
PP-14459299
Comments
0
Documents
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Maida Vale
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, listed buildings, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

  1. 2025
    3 Nov

    Amendments to planning permission dated 08 October 2025 (RN: 25/05523/FULL

    This applicationRefusedNon-material amendment25/07958/NMA
  2. 2025
    15 Aug

    Erection of a single storey rear extension with green roof and skylight at lower ground floor level…

    ApprovedHouseholderPart of25/05523/FULL

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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