133 Trinity Road Southall UB1 1ES

This site has had 2 applications since 2026.

• 263691PALHE Awaiting decision

  133 Trinity Road Southall UB1 1ES

  Single storey (Max 5.95m deep and Max 2.95m high) rear extension (42 days Prior Notification Process)

  Submitted 6 Oct 2026 Prior approval

1. 6 Oct 2026

   Received by Old Oak and Park Royal Development Corporation

2. 12 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 1 December 2026, 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.

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.

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.

• 133 Trinity Road Southall UB1 1ES

  263691PALHE Submitted 6 Oct 2026 50 yards away

  75% historically approved · decision due ~1 Dec

  Single storey (Max 5.95m deep and Max 2.95m high) rear extension (42 days Prior Notification Process)

  Awaiting decision Prior approval Extension 3 docs
  Small domestic

• 128 Trinity Road Southall UB1 1EL

  253598CPL Submitted 22 Sep 2025 50 yards away

  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 docs
  Domestic

• 131 And 131A Trinity Road Southall UB1 1ES

  230589FUL Submitted 13 Feb 2023 50 yards away

  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 docs
  Several homes

• 131 And 131A Trinity Road Southall UB1 1ES

  230589FUL Submitted 13 Feb 2023 50 yards away

  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 docs
  Several homes

• 128 Trinity Road Southall UB1 1EL

  253598CPL Submitted 22 Sep 2025 50 yards away

  87% historically approved · decision due ~8 Dec

  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)

  Awaiting decision Lawful development Extension Loft or dormer 5 docs
  Domestic

• 124 Townsend Road Southall Middlesex UB1 1ET

  215286HH Submitted 17 Aug 2021 50 yards away

  Single storey rear/side infill extension

  Granted Householder Extension 8 docs
  Small domestic

• 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)

  Received 18 Aug, published by the council 12 Oct 2026 Lawful 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)

  Received 7 Jul, published by the council 3 Aug 2026 Lawful 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)

  Received 24 Oct, published by the council 3 Aug 2026 Lawful development
• 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)

  Received 24 Jul, published by the council 10 Sep 2026 Lawful development
• 263056CPL Granted

  47 Gonville Crescent Northolt UB5 4SH

  Single storey rear outbuilding and new rear boundary wall (Lawful Development Certificate for Proposed Development).

  Received 7 Aug, published by the council 21 Sep 2026 Lawful development