3 Seymour Road Chiswick W4 5ES

1. 11 Mar 2026

   Received by Old Oak and Park Royal Development Corporation

2. 6 May 2026

   Decision issued: Granted with Conditions

3. 10 Aug 2026

   Added to PlanIndex

Old Oak and Park Royal Development Corporation granted permission on 6 May 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 3 Seymour Road Chiswick W4 5ES

  261052FUL Submitted 11 Mar 2026 50 yards away

  Conversion of two flats into a single-family dwellinghouse; rear roof extension to main roofslope; roof extension to rear outrigger; installation of three rooflights to front roofslope; single storey side/rear extension; associated alteration to existing rear extension and rear elevation fenestration; and refurbishment of existing rear first floor external roof terrace

  Granted Full applications New dwelling Extension +2 11 docs
  Several homes

• 15 Wolseley Road Chiswick W4 5EG

  254732CPL Submitted 17 Dec 2025 50 yards away

  Rear roof extension, extending over outrigger; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)

  Granted Lawful development Extension Loft or dormer 7 docs

• 15 Wolseley Road Chiswick W4 5EG

  254733HH Submitted 17 Dec 2025 50 yards away

  Single storey rear wraparound extension

  Granted Householder Extension 13 docs
  Small domestic

• 15 Wolseley Road Chiswick W4 5EG

  254732CPL Submitted 17 Dec 2025 50 yards away

  Rear roof extension, extending over outrigger; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)

  Granted Lawful development Extension Loft or dormer 7 docs

• 15 Wolseley Road Chiswick W4 5EG

  254733HH Submitted 17 Dec 2025 50 yards away

  Single storey rear wraparound extension

  Granted Householder Extension 13 docs
  Small domestic

• 42 Cunnington Street Chiswick London W4 5EN

  214036HH Submitted 4 Jun 2021 50 yards away

  Single storey rear infill extension

  Granted Householder Extension 15 docs
  Small domestic

• 262904FUL Granted

  139 Lady Margaret Road Southall UB1 2PS

  Conversion of existing dwellinghouse into 2 self-contained flats; ground floor rear infill extension

  Received 27 Jul, published by the council 10 Sep 2026 Full applications
• 262967FUL Granted

  5A Vernon Rise Greenford UB6 0EQ

  Alteration of roof from hip to gable end with installation of window to gable wall; rear roof extension; removal of side chimney and installation of two roof lights to front roofslope

  Received 31 Jul, published by the council 10 Sep 2026 Full applications
• 262968FUL Granted

  5A Vernon Rise Greenford UB6 0EQ

  Single storey rear extension

  Received 31 Jul, published by the council 10 Sep 2026 Full applications
• 262795FUL Granted

  31 Perryn Road Acton W3 7LS

  Reconversion of the existing property from two self-contained flats into a single family dwellinghouse; single storey rear/side extension; part first floor rear extension incorporating a Juliet balcony; front elevation infill extension to the porch and first floor above; alterations to the roof, installation of four side rooflights; alteration to front fenestration; associated refuse and cycle storage, landscaping and associated works (Following demolition of existing garage and rear extension)

  Received 16 Jul, published by the council 20 Aug 2026 Full applications
• 26/0170/FULOPDC Awaiting decision

  Unit 21 , Victoria Industrial Estate, Victoria Road, LONDON, W3 6UU

  Minor external alterations and the change of use from Class B8 to B2 and B8.

  Received 1 Oct, published by the council 6 Oct 2026 Full applications