18 Dorset Avenue Southall UB2 4HF

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

• 261244PALHE Granted

  18 Dorset Avenue Southall UB2 4HF

  Single storey (Max 6m deep and Max 3.43m high) rear extension (42 days Prior Notification Process)

  Decided 29 Apr 2026 Prior approval
• 261157CPL Granted

  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)

  Decided 3 Jun 2026 Lawful development

1. 17 Jun 2026

   Received by Old Oak and Park Royal Development Corporation

2. 23 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 17 September 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 62 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.

• 18 Dorset Avenue Southall UB2 4HF

  262421HH Submitted 17 Jun 2026 50 yards away

  Part single and part two storey rear extension incorporating Juliet balcony (following demolition of the existing single storey rear extension); two storey side extension (following demolition of the single storey side extension); front porch extension; alteration of roof from hip to gable end; rear roof extension (following removal of vent pipe); installation of three rooflights to the front roofslope and one rooflight to the rear roofslope ; and alterations to fenestration.

  Granted Extension Loft or dormer +2 7 docs
  Small domestic

• 7-9 Dorset Avenue Southall Middlesex UB2 4HF

  213788FUL Submitted 20 May 2021 50 yards away

  Conversion of garage into habitable use at no. 9 Dorset Avenue; first floor front extension at no. 7 Dorset Avenue; first floor rear infill extensions to both properties; rear roof extensions involving raised roof ridge height to main roofslope at no. 7 Dorset Avenue; installation in total of seven rooflights to front and side roofslopes; and alterations including changes to front and side elevations fenestration (Joint Application)

  Granted Full applications Extension Loft or dormer +2 20 docs

• 7-9 Dorset Avenue Southall Middlesex UB2 4HF

  213788FUL Submitted 20 May 2021 50 yards away

  Conversion of garage into habitable use at no. 9 Dorset Avenue; first floor front extension at no. 7 Dorset Avenue; first floor rear infill extensions to both properties; rear roof extensions involving raised roof ridge height to main roofslope at no. 7 Dorset Avenue; installation in total of seven rooflights to front and side roofslopes; and alterations including changes to front and side elevations fenestration (Joint Application)

  Granted Full applications Extension Loft or dormer +2 20 docs

• 6 Dorset Avenue Southall Middlesex UB2 4HF

  213938CPL Submitted 28 May 2021 50 yards away

  Alteration of roof from hip to gable end; rear roof extension incorporating juliet balcony; and installation of three roof lights to front roof slope (Lawful Development Certificate for Proposed Development).

  Granted Lawful development Extension Loft or dormer 4 docs

• 6 Dorset Avenue Southall Middlesex UB2 4HF

  213938CPL Submitted 28 May 2021 50 yards away

  Alteration of roof from hip to gable end; rear roof extension incorporating juliet balcony; and installation of three roof lights to front roof slope (Lawful Development Certificate for Proposed Development).

  Granted Lawful development Extension Loft or dormer 4 docs

• 6 Dorset Avenue Southall Middlesex UB2 4HF

  214532PALHE Submitted 2 Jul 2021 50 yards away

  Single storey (Max 6m deep and Max 3m high) rear extension (42 days Prior Notification Process) following demolition of existing rear/side addition.

  Granted Prior approval Extension Demolition 5 docs
  Small domestic

• 260566HH Refused

  1 Benham Road Hanwell W7 1AQ

  Part single part two storey rear extension; insertion of additional window to side elevation first floor level; and front porch extension (following demolition of existing conservatory)

  Received 11 Feb, published by the council 3 Aug 2026 Householder
• 262878HH Granted

  167 Murray Road Ealing W5 4DD

  Single storey rear extension (following demolition of existing rear addition); removal of chimney breast; and alterations to the fenestration

  Received 23 Jul, published by the council 30 Aug 2026 Householder
• 262906HH Granted

  6 Milford Road West Ealing W13 9HZ

  Single storey rear extension (following demolition of existing rear addition)

  Received 27 Jul, published by the council 10 Sep 2026 Householder
• 262954HH Refused

  6 Gosling Close Greenford UB6 9UE

  Single storey extension and internal alterations

  Received 30 Jul, published by the council 10 Sep 2026 Householder
• 262963HH Granted

  14 Winchester Street Acton W3 8PA

  Single storey side/rear wraparound extension

  Received 31 Jul, published by the council 21 Sep 2026 Householder