57 First Avenue Acton W3 7JN

1. 20 Aug 2026

   Received by Old Oak and Park Royal Development Corporation

2. 12 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 15 October 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.

• 1-30 Sir Alexander Road Acton London W3 7JG

  213874FUL Submitted 27 May 2021 50 yards away

  Extension of the five residential blocks at roof level by an additional two storeys to provide 20 additional residential units; addition of lift shafts to the side elevations of each building, replacement windows on all buildings and associated landscaping, cycle parking and waste and recycling storage

  Granted Extension Windows or glazing 41 docs

• 79 First Avenue Acton W3 7JN

  253959FUL Submitted 20 Oct 2025 50 yards away

  Conversion of dwelling into four self-contained residential units; two storey side extension; part single and part two storey rear/side extension; alteration of main roof profile from hip to gable end and over two storey side extension; rear roof extension incorporating Juliet balcony; installation of three rooflights to front roofslope; and provision of associated amenity space, cycle and refuse storage

  Decided Full applications Extension Loft or dormer 13 docs
  Domestic

• 79 First Avenue Acton W3 7JN

  253959FUL Submitted 20 Oct 2025 50 yards away

  Conversion of dwelling into four self-contained residential units; two storey side extension; part single and part two storey rear/side extension; alteration of main roof profile from hip to gable end and over two storey side extension; rear roof extension incorporating Juliet balcony; installation of three rooflights to front roofslope; and provision of associated amenity space, cycle and refuse storage

  Decided Full applications Extension Loft or dormer 13 docs
  Domestic

• 41 Old Oak Road London W3 7HW

  2021/00258/OBS Submitted 26 Jan 2021 100 yards away

  96% historically approved · decision due ~24 Mar

  Change of use from a residential dwellinghouse Use Class C3 to a House in Multiple Occupation Use Class C4 insertion of window openings, one to front elevation and two to side elevation alterations to rear door and window openings associated car and cycle parking, refuse storage and amenity space

  Awaiting decision Windows or glazing 11 docs
  Domestic

• 53 Old Oak Road London W3 7HW

  2018/02315/OBS Submitted 10 Jul 2018 100 yards away

  Alterations to roof from hip to gable end; rear roof extension and installation of two rooflights to front roofslope.

  Granted Extension Loft or dormer 5 docs

• 43 Old Oak Road Acton London W3 7HW

  230003HH Submitted 3 Jan 2023 100 yards away

  Two storey rear, part single storey rear extension (following demolition of existing)

  Granted Householder Extension Demolition 10 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