Planning application
18A Cunnington Street Chiswick W4 5EN
Works: Extension Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Single storey side infill extension; and associated alterations to rear elevation including insertion of patio doors
As published by the council, reference 253840FUL
Application record
- Reference
- 253840FUL
- Type
- Full Application
- Status
- Granted with Conditions
- Decision
- Grant with Conditions
- Received
- 9 Oct 2025
- Validated
- 6 Nov 2025
- Decided
- 12 Jan 2026
- Ward
- Southfield
- Decision by
- Delegated Decision
- Postcode
- W4 5EN
Timeline
Dates from the published record
-
9 Oct 2025
Received by Old Oak and Park Royal Development Corporation
-
6 Nov 2025
Validated
Checked as complete and ready for consideration.
-
12 Jan 2026
Decision issued: Grant with Conditions
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in London
3 applications on PlanIndex · across 3 councils
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
15 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 grant of permission means
Old Oak and Park Royal Development Corporation granted permission on 12 January 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
18A Cunnington Street Chiswick W4 5EN
Single storey side infill extension; and associated alterations to rear elevation including insertion of patio doors
Granted Full applications Extension Windows or glazing 15 docsSmall domestic -
Ground Floor Shop 11 Cunnington Street Chiswick W4 5EP
Installation of ground-floor windows to side elevation adjacent to footpath (Lawful Development Certificate for a Proposed Development)
Granted Lawful development Windows or glazing 8 docs -
11 Cunnington Street Chiswick W4 5EP
Change of use from commercial unit (Use Class E) to two self-contained flats (Use Class C3) (Class MA, 56 day Prior Approval Process)
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Ground Floor Shop 11 Cunnington Street Chiswick W4 5EP
Installation of ground-floor windows to side elevation adjacent to footpath (Lawful Development Certificate for a Proposed Development)
Granted Lawful development Windows or glazing 8 docs -
11 Flat At Cunnington Street Chiswick W4 5EP
Alteration of roof from hip to gable end; rear roof extension
Granted Full applications Extension Loft or dormer 7 docs -
11 Flat At Cunnington Street Chiswick W4 5EP
Alteration of roof from hip to gable end; rear roof extension
Granted Full applications Extension Loft or dormer 7 docs
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