Planning application
358 Lady Margaret Road Southall UB1 2NJ
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Single storey (Max 6m deep and Max 3.30m high) rear extension (42 days Prior Notification Process)
As published by the council, reference 260172PALHE
Application record
- Reference
- 260172PALHE
- Type
- Prior Approval - Larger Home Extension
- Status
- Prior Approval Unlawful and Refused
- Decision
- Prior Approval Unlawful and Refused
- Received
- 17 Jan 2026
- Validated
- 17 Jan 2026
- Decided
- 17 Feb 2026
- Ward
- Lady Margaret
- Decision by
- Delegated Decision
- Postcode
- UB1 2NJ
Site history
Applications at this address on the Old Oak and Park Royal Development Corporation register
This site has had 3 applications since 2026: 2 approved, 1 refused.
-
260548HH Granted
358 Lady Margaret Road Southall UB1 2NJ
Front extension; two storey side extension (following demolition of existing garage); part single, part two storey side/rear extension; alteration of roof from hip to gable end; rear roof extension, and installation of three rooflights to front roofslope; alterations to front fenestrations
-
260171CPL Granted
358 Lady Margaret Road Southall UB1 2NJ
Alteration of roof from hip to gable end; rear roof extension; installation of three rooflights to front roofslope (Lawful Development Certificate for Proposed Development)
Timeline
Dates from the published record
-
17 Jan 2026
Received by Old Oak and Park Royal Development Corporation
-
17 Feb 2026
Decision issued: Prior Approval Unlawful and Refused
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice
65 applications on PlanIndex · across 11 councils · 88% granted
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
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.
Trade members open them from here.
Open the documentsWhat this refusal means
Old Oak and Park Royal Development Corporation 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 prior approval applications
Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
358 Lady Margaret Road Southall UB1 2NJ
Alteration of roof from hip to gable end; rear roof extension; installation of three rooflights to front roofslope (Lawful Development Certificate for Proposed Development)
Granted Lawful development Extension Loft or dormer 9 docs -
358 Lady Margaret Road Southall UB1 2NJ
Alteration of roof from hip to gable end; rear roof extension; installation of three rooflights to front roofslope (Lawful Development Certificate for Proposed Development)
Granted Lawful development Extension Loft or dormer 9 docs -
358 Lady Margaret Road Southall UB1 2NJ
Single storey (Max 6m deep and Max 3.30m high) rear extension (42 days Prior Notification Process)
Refused Prior approval Extension 9 docsSmall domestic -
358 Lady Margaret Road Southall UB1 2NJ
Front extension; two storey side extension (following demolition of existing garage); part single, part two storey side/rear extension; alteration of roof from hip to gable end; rear roof extension, and installation of three rooflights to front roofslope; alterations to front fenestrations
Granted Householder Extension Loft or dormer +1 15 docsDomestic -
358 Lady Margaret Road Southall UB1 2NJ
Front extension; two storey side extension (following demolition of existing garage); part single, part two storey side/rear extension; alteration of roof from hip to gable end; rear roof extension, and installation of three rooflights to front roofslope; alterations to front fenestrations
Granted Householder Extension Loft or dormer +1 15 docsDomestic -
40 Windermere Road Southall UB1 2NZ
Single storey (Max 6m deep x Max 3.25m high) rear extension (Following demolition of existing single storey rear) (42 Day Prior Notification Process)
Granted Prior approval Extension Demolition 18 docsSmall domestic
Other prior approval applications
In Old Oak and Park Royal Development Corporation
-
262791PALHE Granted
2 Gonville Crescent Northolt UB5 4SJ
Single storey (max. 6.0m deep and 3.40m high) side/rear extension (42 Days Prior Approval Notification Process).
-
263232PALHE Awaiting decision
28 Devonshire Road Ealing W5 4TP
Single storey rear extension (following the demolition of the existing extension) (max 4.4m deep and max 4m high) (42 Days Prior Approval Notification Process)
-
262177PALHE Granted
35 Queens Avenue Greenford UB6 9BU
Single storey rear extension (max 6m deep and max 3.85m high) (42 Days Prior Approval Notification Process)
-
262711PALHE Refused
30 Iveagh Avenue Park Royal NW10 7DH
Single storey (Max 6m deep and Max 3.50m high) rear extension (42 days Prior Notification Process)
-
262718PALHE Refused
20 Somerset Road Southall UB1 2TP
Single storey (Max 6m deep and Max 3.2m high) rear extension (42 days Prior Notification Process)