Planning application
18 Dorset Avenue Southall UB2 4HF
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; and installation two rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)
As published by the council, reference 261157CPL
Application record
- Reference
- 261157CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Permitted Development
- Received
- 16 Mar 2026
- Validated
- 7 Apr 2026
- Decided
- 3 Jun 2026
- Ward
- Norwood Green
- Decision by
- Delegated Decision
- Postcode
- UB2 4HF
Timeline
Dates from the published record
-
16 Mar 2026
Received by Ealing
-
7 Apr 2026
Validated
Checked as complete and ready for consideration.
-
3 Jun 2026
Decision issued: Permitted Development
-
11 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in London
34 applications on PlanIndex · across 7 councils · 97% 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
5 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 a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
-
18 Dorset Avenue Southall UB2 4HF
Alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; and installation two rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)
Granted Lawful development Extension Loft or dormer 5 docs -
18 Dorset Avenue Southall UB2 4HF
Single storey (Max 6m deep and Max 3.43m high) rear extension (42 days Prior Notification Process)
Granted Prior approval Extension 4 docsSmall domestic -
18 Dorset Avenue Southall UB2 4HF
Single storey (Max 6m deep and Max 3.43m high) rear extension (42 days Prior Notification Process)
Granted Prior approval Extension 4 docsSmall domestic -
46 Blandford Road Southall UB2 4JY
Addition of an external wall insulation to the elevation to the property at the cladded areas. Installing the External Wall insulation up to the Party Wall in some areas, adding the necessary finish that will be a rendered finish (Colour: to match/contrast with existing being a white) & Existing roof to be removed and replaced with warm roof system with GRP or similar finish, raising the existing roof ridge & reducing the high level window, & New external windows and doors with like for like materials (to match existing).
Granted Householder Windows or glazing 9 docsDomestic -
33,34,35,36, 37 & 38 Blandford Road Southall UB2 4JY
Installation of external wall insulation with a rendered finish to the front-facing cladded areas on the existing clerestory roof; replacement of existing roof with warm roof system with GRP or similar finish; replacement of existing front facing window on the clerestory roof; raising the existing roof ridge; and replacement of existing windows and doors (at No. 37 only) (Joint Application)
Granted Full applications Roofing Windows or glazing 13 docs -
33,34,35,36, 37 & 38 Blandford Road Southall UB2 4JY
Installation of external wall insulation with a rendered finish to the front-facing cladded areas on the existing clerestory roof; replacement of existing roof with warm roof system with GRP or similar finish; replacement of existing front facing window on the clerestory roof; raising the existing roof ridge; and replacement of existing windows and doors (at No. 37 only) (Joint Application)
Granted Full applications Roofing Windows or glazing 13 docs
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)