Planning application
Annexe 437 Lady Margaret Road Southall UB1 2QB
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Single storey rear garden outbuilding for use as a self-contained dwelling (Lawful Development Certificate for an Existing Use)
As published by the council, reference 260729CPE
Application record
- Reference
- 260729CPE
- Type
- Certificate of Lawfulness - Existing
- Status
- Refused
- Decision
- Refused
- Received
- 20 Feb 2026
- Validated
- 1 Mar 2026
- Decided
- 27 Apr 2026
- Ward
- Lady Margaret
- Decision by
- Delegated Decision
- Postcode
- UB1 2QB
Timeline
Dates from the published record
-
20 Feb 2026
Received by Old Oak and Park Royal Development Corporation
-
1 Mar 2026
Validated
Checked as complete and ready for consideration.
-
27 Apr 2026
Decision issued: Refused
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, an engineering consultancy registered in Tonbridge
36 applications on PlanIndex · across 8 councils · 72% 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
7 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Annexe 437 Lady Margaret Road Southall UB1 2QB
Single storey rear garden outbuilding for use as a self-contained dwelling (Lawful Development Certificate for an Existing Use)
Refused Lawful development 7 docsSmall domestic -
421 Lady Margaret Road Southall UB1 2QB
Single storey (Max 6m deep and Max 3.40m high) rear extension (42 days Prior Notification Process)
Granted Prior approval Extension 6 docsSmall domestic -
421 Lady Margaret Road Southall UB1 2QB
Single storey (Max 6m deep and Max 3.40m high) rear extension (42 days Prior Notification Process)
Granted Prior approval Extension 6 docsSmall domestic -
424 Lady Margaret Road Southall UB1 2NN
Proposed front porch; retention of hip to gable and rear roof extension including two rooflights to front roofslope; retention and enlargement existing single storey rear extension (part retrospective/part modified)
Granted Householder Extension Loft or dormer 11 docsSmall domestic -
424 Lady Margaret Road Southall UB1 2NN
Proposed front porch; retention of hip to gable and rear roof extension including two rooflights to front roofslope; retention and enlargement existing single storey rear extension (part retrospective/part modified)
Granted Householder Extension Loft or dormer 11 docsSmall domestic -
1 Lawson Road Southall Middlesex UB1 2XW
Conversion of the existing property into two self-contained residential units and first floor rear extension, with associated off-street vehicle parking.
Refused Full applications Extension 9 docs
Other lawful development applications
In Old Oak and Park Royal Development Corporation
-
262843CPL Refused
29 Nutfield Gardens Northolt UB5 6LU
Alteration of roof from hip to gable end, rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)
-
262774CPL Granted
133 Cleveland Road West Ealing W13 0EN
Alteration of roof from hip to gable end and rear roof extension; rear dormer enlargement; installation of three rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262610CPL Refused
6 Morden Gardens Greenford UB6 0LT
Single storey rear extension (following demolition of rear addition) (Lawful Development Certificate for a Proposed Development)
-
262475CPL Granted
80 Windmill Lane Greenford UB6 9DS
Rear roof extension, and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262678CPL Granted
19 Southwell Avenue Northolt UB5 4DX
Rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)