Planning application
128 Trinity Road Southall UB1 1EL
Works: Extension Loft or dormer Domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Change of use of single dwellinghouse (Use Class C3) into a House in Multiple Occupation (HMO) (Use Class C4) for 6 occupants; rear roof extension; incorporating Juliet balcony; and installation of three rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)
As published by the council, reference 253598CPL
Application record
- Reference
- 253598CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Awaiting decision
- Received
- 22 Sep 2025
- Validated
- 13 Oct 2025
- Ward
- Southall West
- Postcode
- UB1 1EL
Timeline
Dates from the published record
-
22 Sep 2025
Received by Old Oak and Park Royal Development Corporation
-
13 Oct 2025
Validated
Checked as complete and ready for consideration.
-
3 Aug 2026
Added to PlanIndex
-
12 Oct 2026
Status changed to Awaiting decision
Previously Pending Consideration.
-
Decision
Awaiting decision
Decision expected by 8 December 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Old Oak and Park Royal Development Corporation took a median of 55 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
SA Design and Management Ltd Agent, a design practice registered in Southall
Dissolved · incorporated 2016 · Southall
23 applications on PlanIndex · across 4 councils · 93% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Old Oak and Park Royal Development Corporation for determination, against a statutory target of eight weeks. Over the last year Old Oak and Park Royal Development Corporation decided lawful development applications in a median of 53 days. More in our guide to how long planning decisions take.
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
-
128 Trinity Road Southall UB1 1EL
Change of use of single dwellinghouse (Use Class C3) into a House in Multiple Occupation (HMO) (Use Class C4) for 6 occupants; rear roof extension; incorporating Juliet balcony; and installation of three rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)
Granted Extension Loft or dormer 5 docsDomestic -
99 Woodlands Road Southall UB1 1EJ
Conversion of a single dwellinghouse into two self-contained residential units; and associated internal and external alteration (following of removal rear/side structure)
Granted Full applications 10 docsDomestic -
99 Woodlands Road Southall UB1 1EJ
Conversion of a single dwellinghouse into two self-contained residential units; and associated internal and external alteration (following of removal rear/side structure)
Granted Full applications 10 docsDomestic -
131 And 131A Trinity Road Southall UB1 1ES
Conversion of two dwellinghouses into five self-contained flats; two storey side extension and single storey rear/side extension; first floor rear extensions; single storey front porch extensions; with associated amenity space and refuse storage
Refused Full applications New dwelling Extension 12 docsSeveral homes -
131 And 131A Trinity Road Southall UB1 1ES
Conversion of two dwellinghouses into five self-contained flats; two storey side extension and single storey rear/side extension; first floor rear extensions; single storey front porch extensions; with associated amenity space and refuse storage
Refused Full applications New dwelling Extension 12 docsSeveral homes -
125 Woodlands Road Southall UB1 1EJ
Single storey (Max 5m deep and Max 3m high) rear extension (42 days Prior Notification Process)
Granted Prior approval Extension 8 docsSmall domestic
Other lawful development applications
In Old Oak and Park Royal Development Corporation
-
263142CPL Granted
42 Gloucester Road Acton W3 8PD
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)
-
263690CPL Awaiting decision
133 Trinity Road Southall UB1 1ES
Rear roof extension, and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262683CPE Granted
1 Speldhurst Road Chiswick W4 1BX
Continuous use of conversion of the roof space to provide additional habitable accommodation, installation of rooflights to the front roof slope and a rear dormer and construction of a single-storey rear extension. External materials to match the existing dwelling (Lawful Development Certificate for an Existing Development)
-
254066CPE Refused
37 Robin Hood Way Greenford UB6 7QN
Use of ground floor flat and first/second floor flat (Use Class C3) as 2 x House in Multiple Occupation (Use Class C4) (Certificate of Lawfulness for an Existing Use)
-
262883CPL Granted
90 Church Road Hanwell W7 3BE
Rear roof extension (following removal of chimney); installation of two rooflight to front roofslope (Lawful Development Certificate for a Proposed Development)