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15 Marlborough Crescent Chiswick W4 1HE

252911HHHouseholderApproved

Approved on 12 October 2026

Council decision: Grant with ConditionsDelegated (officer decision)4 conditions

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Single-storey rear and side infill extension following demolition of the existing conservatory; alterations to the existing rear extension including new flat roofs and rooflights; roof alterations including the formation of a lead-clad dormer and installation of rooflights; replacement and alteration of doors and windows including new rear French doors; associated external alterations and internal reconfiguration of the dwelling

Received
30 July 2025
Decision level
Delegated (officer decision)
Public comments
2
Ward
Southfield
Agent
Alice Poole Architects
  1. Received30 Jul
  2. Validated30 Jul
  3. Consult.2 Sep
  4. Target24 Sep
  5. Decided12 Oct

Decided in 439 days (council typically 56)

About this application

This is a full planning application for demolition at 15 Marlborough Crescent Chiswick W4 1HE. Ealing has handled 3,938 applications of this type. This one was decided in 439 days, 55 weeks longer than Ealing's typical decision time. The site is in the Bedford Park conservation area, with 20 listed buildings nearby. There have been 4 other applications at this address. In the past year there have been 168 applications across Southfield. We hold 6,644 applications in total for the W4 postcode area.

82% of full applications at London Borough of Ealing were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
W4 1HE
Application type
Householder
Scale / size
Small

Planning application dates

Date validated
30 July 2025
Consultation expiry
10 September 2025
Consultation start
12 August 2025
Consultation end
2 September 2025
Target decision date
24 September 2025
Permission expires
12 October 2029

Applicant and agent

Agent
Alice Poole Architects
Agent address
Woodstock Lodge 1B Woodstock Road London W4 1DR

Planning decision

Statutory period
56 days

Publicity

Last advertised
20 August 2025
Advertisement expiry
10 September 2025

Additional information

Planning Portal ID
PP-14169926
Documents
23
Constraints
14

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (20)

flood storage areas, 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
    30 Jul

    Single-storey rear and side infill extension following demolition of the existing conservatory; alterations…

    This applicationApprovedFull252911HH
  2. 2025
    30 Jul

    Single-storey rear and side infill extension following demolition of the existing conservatory; alterations…

    ApprovedListed building consentFiled alongside252912LBC

Source: Ealing

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

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