Planning application
135 Westbury Avenue Southall UB1 2XA
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Change of use of a single dwellinghouse (Use Class C3) into House in Multiple Occupation (HMO) (Use Class C4) for maximum 6 occupants (Lawful Development Certificate for a Proposed Development)
As published by the council, reference 254279CPL
Application record
- Reference
- 254279CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Permitted Development
- Received
- 11 Nov 2025
- Validated
- 17 Dec 2025
- Decided
- 11 Feb 2026
- Ward
- Lady Margaret
- Decision by
- Delegated Decision
- Postcode
- UB1 2XA
Timeline
Dates from the published record
-
11 Nov 2025
Received by Old Oak and Park Royal Development Corporation
-
17 Dec 2025
Validated
Checked as complete and ready for consideration.
-
11 Feb 2026
Decision issued: Permitted Development
-
10 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
10 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 11 February 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 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
-
135 Westbury Avenue Southall UB1 2XA
Change of use of a single dwellinghouse (Use Class C3) into House in Multiple Occupation (HMO) (Use Class C4) for maximum 6 occupants (Lawful Development Certificate for a Proposed Development)
Granted Lawful development 10 docsDomestic -
145 Westbury Avenue Southall UB1 2XB
Single storey (max 6.00m deep and max 4.00m high) rear extension (42 Days Prior Approval Notification Process)
Granted Prior approval Extension 5 docsSmall domestic -
145 Westbury Avenue Southall UB1 2XB
Single storey (max 6.00m deep and max 4.00m high) rear extension (42 Days Prior Approval Notification Process)
Granted Prior approval Extension 5 docsSmall domestic -
88 Westbury Avenue Southall Middlesex UB1 2XA
Modification of single storey detached outbuilding with associated alterations to reduce the building footprint. Removal of single storey rear extension (Works are part retrospective)
Decided Householder Extension 19 docsSmall domestic -
88 Westbury Avenue Southall Middlesex UB1 2XA
Modification of single storey detached outbuilding with associated alterations to reduce the building footprint. Removal of single storey rear extension (Works are part retrospective)
Decided Householder Extension 19 docsSmall domestic -
136 Westbury Avenue Southall UB1 2XB
Single storey (max 6.00m deep and max 3.00 high) rear extension (42 Days Prior Approval Notification Process)
Granted Prior approval Extension 4 docsSmall domestic
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)