25 Thorncliffe Road Southall UB2 5RJ

This site has had 3 applications since 2026: 2 approved, 0 refused.

• 261360PALHE Granted

  25 Thorncliffe Road Southall UB2 5RJ

  Single storey (max 6.00m deep and max 3.40m high) rear extension (following demolition of existing rear extension) (42 Days Prior Approval Notification Process)

  Decided 6 May 2026 Prior approval
• 261065CPL Granted

  25 Thorncliffe Road Southall UB2 5RJ

  Alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of three rooflights to front roofslope and a window within side gable wall (Lawful Development Certificate for a Proposed Development)

  Decided 29 Apr 2026 Lawful development

1. 11 Jun 2026

   Received by Old Oak and Park Royal Development Corporation

2. 27 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 6 August 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 householder applications in a median of 59 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 25 Thorncliffe Road Southall UB2 5RJ

  262430HH Submitted 11 Jun 2026 1m away

  86% historically approved · decision due ~6 Aug

  Alteration of roof from hip to gable end; rear dormer roof extension (involving conversion of roofspace to habitable use), including installation of a Juliet balcony; installation of three rooflights to front roofslope; part single storey; part two storey side/rear extension;  alterations to front, side and rear fenestration including formation of a front porch; single storey rear outbuilding for use as gym/games area/shower room and storage and associated internal and external alterations (following demolition of existing front porch, rear and side extensions)

  Awaiting decision Extension Loft or dormer +2 7 docs
  Small domestic

• 25 Thorncliffe Road Southall UB2 5RJ

  261065CPL Submitted 12 Mar 2026 20m away

  Alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of three rooflights to front roofslope and a window within side gable wall (Lawful Development Certificate for a Proposed Development)

  Granted Lawful development Extension Loft or dormer +1 5 docs

• 25 Thorncliffe Road Southall UB2 5RJ

  261065CPL Submitted 12 Mar 2026 20m away

  Alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of three rooflights to front roofslope and a window within side gable wall (Lawful Development Certificate for a Proposed Development)

  Granted Lawful development Extension Loft or dormer +1 5 docs

• 25 Thorncliffe Road Southall UB2 5RJ

  261360PALHE Submitted 29 Mar 2026 20m away

  Single storey (max 6.00m deep and max 3.40m high) rear extension (following demolition of existing rear extension) (42 Days Prior Approval Notification Process)

  Granted Prior approval Extension Demolition 4 docs
  Small domestic

• 25 Thorncliffe Road Southall UB2 5RJ

  261360PALHE Submitted 29 Mar 2026 20m away

  Single storey (max 6.00m deep and max 3.40m high) rear extension (following demolition of existing rear extension) (42 Days Prior Approval Notification Process)

  Granted Prior approval Extension Demolition 4 docs
  Small domestic

• 24 Thorncliffe Road Southall UB2 5RG

  253736HH Submitted 2 Oct 2025 70m away

  Alterations to front porch involving alterations to roof; alterations to side extension roof; first floor side extension; part single, part two storey side/rear extension; with associated external and internal alterations

  Granted Householder Extension Roofing 10 docs
  Small domestic

• 262218HH Granted

  67 Woodfield Road Ealing W5 1SR

  Rear roof extension; installation of a rooflight on the rear roof slope; and associated internal and external alterations

  Received 2 Jun, published by the council 27 Jul 2026 Householder
• 261961HH Granted

  28 Ludlow Road Ealing W5 1NY

  Replacement of existing single glazed windows and doors with double glazed and internal amendments

  Received 12 May, published by the council 27 Jul 2026 Householder
• 261866HH Granted

  33 Carlton Road Chiswick W4 5DY

  Single-storey side and rear extension; extension to the rear roof to form a second floor above the existing outrigger (including the construction of a new wall along the side elevation to support the structure); installation of one rooflight within the existing rear roof dormer; alterations to fenestration involving the replacement of an existing rear window with a door; and Formation of a new window and door opening associated with a porch canopy in the side elevation at ground-floor level.

  Received 6 May, published by the council 27 Jul 2026 Householder
• 262779HH Refused

  14 Summit Road Northolt UB5 5HJ

  Two storey side extension; part single, part two storey rear extension (following demolition of existing single-storey rear extension); alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony and installation of three rooflights to front roofslope

  Received 15 Jul, published by the council 20 Aug 2026 Householder
• 262778HH Refused

  406 Lady Margaret Road Southall UB1 2NL

  Part single, part two-storey side/rear extension (following demolition of existing single-storey side extension); front porch extension (following demolition of existing front porch); alteration of roof from hip to gable end; rear roof extension, and installation of two rooflights to front roofslope

  Received 14 Jul, published by the council 20 Aug 2026 Householder