47 Gonville Crescent Northolt UB5 4SH

1. 7 Aug 2026

   Received by Old Oak and Park Royal Development Corporation

2. 21 Sep 2026

   Added to PlanIndex

3. 1 Oct 2026

   Decision issued: Permitted Development

Old Oak and Park Royal Development Corporation granted permission on 1 October 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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 And 1A Gonville Crescent Northolt UB5 4SH

  262366FUL Submitted 12 Jun 2026 50 yards away

  Part single storey; part two storey rear extension to the existing dwelling (following demolition of existing conservatory and outbuilding); including roof extension incorporating alteration from hip to gable end and rear dormer roof extension; Construction of an attached two storey dwellinghouse (involving conversion of roofspace to habitable use) (following demolition of existing side extension), together with associated amenity space, cycle parking and refuse/recycling storage (following demolition of the existing side extension); replacement and installation of front door and windows to front and rear of existing dwellinghouse.

  Refused Full applications Extension Loft or dormer +2 16 docs
  Small domestic

• 1 And 1A Gonville Crescent Northolt UB5 4SH

  262366FUL Submitted 12 Jun 2026 50 yards away

  Part single storey; part two storey rear extension to the existing dwelling (following demolition of existing conservatory and outbuilding); including roof extension incorporating alteration from hip to gable end and rear dormer roof extension; Construction of an attached two storey dwellinghouse (involving conversion of roofspace to habitable use) (following demolition of existing side extension), together with associated amenity space, cycle parking and refuse/recycling storage (following demolition of the existing side extension); replacement and installation of front door and windows to front and rear of existing dwellinghouse.

  Refused Extension Loft or dormer +2 16 docs
  Small domestic

• 1 Gonville Crescent Northolt UB5 4SH

  261492PALHE Submitted 8 Apr 2026 50 yards away

  Single storey (Max 6m deep and Max 3.40m high) rear extension (42 days Prior Notification Process)

  Granted Prior approval Extension 6 docs
  Small domestic

• 1 Gonville Crescent Northolt UB5 4SH

  261491CPL Submitted 8 Apr 2026 50 yards away

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

  Granted Lawful development Extension Loft or dormer 3 docs

• 1 Gonville Crescent Northolt UB5 4SH

  261492PALHE Submitted 8 Apr 2026 50 yards away

  Single storey (Max 6m deep and Max 3.40m high) rear extension (42 days Prior Notification Process)

  Granted Prior approval Extension 6 docs
  Small domestic

• 1 Gonville Crescent Northolt UB5 4SH

  261491CPL Submitted 8 Apr 2026 50 yards away

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

  Granted Lawful development Extension Loft or dormer 3 docs

• 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