Planning application
4 Mount Avenue Southall UB1 2LH
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
As published by the council, reference 262196CPL
Application record
- Reference
- 262196CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Granted As published: Permitted Development
- Received
- 30 May 2026
- Validated
- 30 May 2026
- Decided
- 21 Aug 2026
- Ward
- Lady Margaret
- Decision by
- Delegated Decision
- Postcode
- UB1 2LH
Site history
Applications at this address on the Old Oak and Park Royal Development Corporation register
This site has had 4 applications since 2026: 2 approved, 2 refused.
-
262197PALHE Granted
4 Mount Avenue Southall UB1 2LH
Single storey (Max 6m deep and Max 3m high) rear extension (42 days Prior Notification Process)
-
260699HH Refused
4 Mount Avenue Southall UB1 2LH
Single storey rear and side extension (following demolition of existing rear extension)
-
260700CPL Refused
4 Mount Avenue Southall UB1 2LH
Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
Timeline
Dates from the published record
-
30 May 2026
Received by Old Oak and Park Royal Development Corporation
-
27 Jul 2026
Added to PlanIndex
-
21 Aug 2026
Decision issued: Permitted Development
Documents
Plans, drawings, consultee responses and the officer's report
5 documents on file for this application
- DECISION NOTICE
- OFFICERS REPORT
- APPLICATIONFORMREDACTED
- EXE PRP PLNS ELES
- LCTN BLK PLNS
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Old Oak and Park Royal Development Corporation granted permission on 21 August 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 0.3 miles
-
4 Mount Avenue Southall UB1 2LH
Single storey (Max 6m deep and Max 3m high) rear extension (42 days Prior Notification Process)
Granted Prior approval Extension 5 docsSmall domestic -
4 Mount Avenue Southall UB1 2LH
Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
Granted Extension Loft or dormer 5 docs -
4 Mount Avenue Southall UB1 2LH
Single storey (Max 6m deep and Max 3m high) rear extension (42 days Prior Notification Process)
Awaiting decision Extension 5 docsSmall domestic -
42 Mount Avenue Southall UB1 2LH
Single rear and side extension.
Granted Householder Extension 13 docsDomestic -
42 Mount Avenue Southall UB1 2LH
Single rear and side extension.
Granted Householder Extension 13 docsDomestic -
15 Allenby Road Southall UB1 2EU
Rear roof extension incorporating a flat roof rear dormer; and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
Granted Lawful development Extension Loft or dormer 6 docs
Other lawful development applications
In Old Oak and Park Royal Development Corporation
-
262788CPL Granted
7 Kent Avenue West Ealing W13 8BE
Alteration of roof from hip to gable end (following removal of chimney stack), rear roof extension incorporating a Juliet balcony; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)
-
262782CPL Granted
28 Noel Road Acton W3 0JX
Alteration of roof from hip to gable end; rear roof extension; installation of two rooflights to front roofslope; part single, part two storey rear extension; single storey side extension; installation of one side window to gable (Lawful Development Certificate for a Proposed Development)
-
262244CPL Refused
79 Somerset Road Southall UB1 2UE
Single storey detached garden outbuilding for use as gym (Lawful Development Certificate for a Proposed Development)
-
262727CPL Granted
32 Beresford Avenue Hanwell W7 3AL
Alteration of roof from hip to gable end; rear roof extension and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262518CPL Granted
64 Culmington Road West Ealing W13 9NH
Alteration of roof from hip to gable end; rear roof extension incorporating Juliet balcony; installation of window to side gable; installation of four rooflights to front roofslope; replacement of side gable window (Lawful Development Certificate for a Proposed Development)