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Planning application

40 Seymour Road Chiswick London W4 5ES

Granted Old Oak and Park Royal Development Corporation 212861HH Householder

Works: Extension Domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Retention of sedum roof; installation of planter and automatic watering system to first floor outrigger extension; and reduction in height of existing unauthorised trellis (part modified/part retrospective).

As published by the council, reference 212861HH

Application record

Reference
212861HH
Type
Householder
Status
Granted with Conditions
Decision
Granted As published: Grant with Conditions
Received
7 Apr 2021
Validated
22 Apr 2021
Decided
12 Aug 2021
Ward
Southfield
Postcode
W4 5ES

Timeline

Dates from the published record

  1. 7 Apr 2021

    Received by Old Oak and Park Royal Development Corporation

  2. 22 Apr 2021

    Validated

    Checked as complete and ready for consideration.

  3. 12 Aug 2021

    Decision issued: Grant with Conditions

  4. 3 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Arc Agent, registered in Maidenhead

Active · incorporated 1956 · Maidenhead

8 applications on PlanIndex · across 7 councils

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Documents

Plans, drawings, consultee responses and the officer's report

9 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Old Oak and Park Royal Development Corporation granted permission on 12 August 2021, 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.

About householder applications

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.

Nearby applications

Within 0.3 miles

  • 40 Seymour Road Chiswick London W4 5ES

    212861HH Submitted 7 Apr 2021 50 yards away

    Retention of sedum roof; installation of planter and automatic watering system to first floor outrigger extension; and reduction in height of existing unauthorised trellis (part modified/part retrospective).

    Granted Householder Extension 9 docs
    Domestic

  • 38 Seymour Road Chiswick W4 5ES

    254289FUL Submitted 12 Nov 2025 50 yards away

    Conversion of two existing flats into single dwellinghouse; single storey side/rear extension; alterations to existing rear extension fenestrations; rear roof extension; rear outrigger roof extension; installation of three rooflights to front roofslope; raise boundary wall

    Granted Full applications New dwelling Extension +1 12 docs
    Small domestic

  • 38 Seymour Road Chiswick W4 5ES

    254289FUL Submitted 12 Nov 2025 50 yards away

    Conversion of two existing flats into single dwellinghouse; single storey side/rear extension; alterations to existing rear extension fenestrations; rear roof extension; rear outrigger roof extension; installation of three rooflights to front roofslope; raise boundary wall

    Granted Full applications New dwelling Extension +1 12 docs
    Small domestic

  • 49 Antrobus Road Chiswick W4 5HZ

    254302HH Submitted 13 Nov 2025 50 yards away

    Rear roof extension to main roofslope involving raising height of roof ridge, chimney and party wall; roof extension to rear outrigger; installation of three rooflights to front roofslope; single storey side/rear extension; and associated internal and external alterations (following demolition of existing side conservatory extension

    Granted Householder Extension Loft or dormer +1 9 docs
    Small domestic

  • 49 Antrobus Road Chiswick W4 5HZ

    254302HH Submitted 13 Nov 2025 50 yards away

    Rear roof extension to main roofslope involving raising height of roof ridge, chimney and party wall; roof extension to rear outrigger; installation of three rooflights to front roofslope; single storey side/rear extension; and associated internal and external alterations (following demolition of existing side conservatory extension

    Granted Householder Extension Loft or dormer +1 9 docs
    Small domestic

  • 20 Seymour Road Chiswick W4 5ES

    262781HH Submitted 15 Jul 2026 50 yards away

    86% historically approved · decision due ~9 Sep

    Single storey side/rear extension

    Awaiting decision Extension 8 docs
    Small domestic

In Old Oak and Park Royal Development Corporation

  • 262442HH Granted

    46 Perth Close Northolt UB5 4AU

    Single storey rear extension; rear roof extension, and installation of 1 rooflight to front roofslope

    Received 17 Jun, published by the council 27 Jul 2026 Householder
  • 262533HH Granted

    19 Lowfield Road Acton W3 0AY

    Alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of three rooflights to the front roofslope; and installation of one rooflight to the rear roofslope.

    Received 25 Jun, published by the council 27 Jul 2026 Householder
  • 262675HH Granted

    8 South Avenue Southall UB1 2AH

    Single storey side extension (following demolition of existing)

    Received 6 Jul, published by the council 3 Aug 2026 Householder
  • 253503HH Granted

    39 Marlborough Crescent Chiswick W4 1HG

    Replacement of front elevation windows with single glazed timber windows

    Received 15 Sep, published by the council 3 Aug 2026 Householder
  • 262142HH Granted

    13 Isambard Road Southall UB2 4GN

    Single storey rear extension

    Received 27 May, published by the council 27 Jul 2026 Householder