Planning application
15 Allenby Road Southall UB1 2EU
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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)
As published by the council, reference 260691CPL
Application record
- Reference
- 260691CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Permitted Development
- Received
- 18 Feb 2026
- Validated
- 18 Feb 2026
- Decided
- 13 Apr 2026
- Ward
- Lady Margaret
- Decision by
- Delegated Decision
- Postcode
- UB1 2EU
Site history
Applications at this address on the Ealing register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
262335FUL Decided
15 Allenby Road Southall UB1 2EU
Conversion of a single dwellinghouse into two self-contained flats; rear dormer extension; installation of three rooflights to front roofslope; with associated cycle storage, refuse and recycling storage and amenity space
Timeline
Dates from the published record
-
18 Feb 2026
Received by Ealing
-
13 Apr 2026
Decision issued: Permitted Development
-
11 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
6 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
Ealing granted permission on 13 April 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
-
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 -
15 Allenby Road Southall UB1 2EU
Conversion of a single dwellinghouse into two self-contained flats; rear dormer extension; installation of three rooflights to front roofslope; with associated cycle storage, refuse and recycling storage and amenity space
Refused Full applications New dwelling Extension +1 8 docsDomestic -
15 Allenby Road Southall UB1 2EU
87% historically approved · decision due ~13 Jul
Conversion of a single dwellinghouse into two self-contained flats; rear dormer extension; installation of three rooflights to front roofslope; with associated cycle storage, refuse and recycling storage and amenity space
Decided New dwelling Extension +1Domestic -
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 -
4 Mount Avenue Southall UB1 2LH
87% historically approved · decision due ~25 Jul
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)
Decided Extension Loft or dormer
Other lawful development applications
In Ealing
-
261588CPL Granted
13 Julien Road Ealing W5 4XA
Rear roof extension, and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
261863CPE Granted
66 Horn Lane Acton W3 6NT
Continue to use the property as two self-contained flats (Lawful Development Certificate for Existing Use)
-
260202CPL Withdrawn
19 Woodrow Close Perivale UB6 7HU
Change of use of a dwellinghouse (Use Class C3) to Children's Care Home (Use Class C2) (Lawful Development Certificate for a Proposed Development)
-
261805CPE Refused
10A Western Avenue Acton W3 7UD
Existing use of first floor/second floor duplex flat (Use Class C3) as a small House in Multiple Occupation (Use Class C4) (Lawful Development Certificate for an Existing Use)
-
261806CPE Refused
12 Western Avenue Acton W3 7UD
Continue use of ground floor flat as HMO (C4) (Lawful Development Certificate for Existing Use)