54 Allendale Avenue Southall UB1 2SW

1. 20 Apr 2026

   Received by Old Oak and Park Royal Development Corporation

2. 7 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 27 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 2 July 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.

• 54 Allendale Avenue Southall UB1 2SW

  261645CPE Submitted 20 Apr 2026 50 yards away

  87% historically approved · decision due ~2 Jul

  Continued use from a dwellinghouse (C3) to a mixed-use consisting of three self-contained flats and a 4-bedroom house in multiple occupation (HMO) (Use Class C4) (Lawful Development Certificate for an Existing Use)

  Awaiting decision Lawful development New dwelling 7 docs
  Domestic

• 60 Allendale Avenue Southall UB1 2SW

  242424HH Submitted 25 Jun 2024 50 yards away

  Single storey front extension; single storey rear extension; first floor rear extensions

  Granted Householder Extension 14 docs
  Small domestic

• 60 Allendale Avenue Southall UB1 2SW

  242424HH Submitted 25 Jun 2024 50 yards away

  Single storey front extension; single storey rear extension; first floor rear extensions

  Granted Householder Extension 14 docs
  Small domestic

• 61 Allendale Avenue Southall UB1 2SW

  260646CPL Submitted 16 Feb 2026 50 yards away

  Replacement of windows, external doors, fixtures and fittings including front entrance canopy, fascias and rainwater goods; and all other associated internal and external alterations and improvements (Regulation 3 - Application by London Borough of Ealing) (Lawful Development Certificate for a Proposed Development)

  Granted Lawful development Windows or glazing 5 docs

• 67 Allendale Avenue Southall UB1 2SW

  244191PALHE Submitted 7 Nov 2024 50 yards away

  Single storey rear extension (max 6m deep and max 3m high) (42 Days Prior Approval Notification Process)

  Granted Prior approval Extension 4 docs
  Small domestic

• 67 Allendale Avenue Southall UB1 2SW

  244191PALHE Submitted 7 Nov 2024 50 yards away

  Single storey rear extension (max 6m deep and max 3m high) (42 Days Prior Approval Notification Process)

  Granted Prior approval Extension 4 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
• 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)

  Received 6 Oct, 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