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Planning application

3 Seymour Road Chiswick W4 5ES

Granted Old Oak and Park Royal Development Corporation 261052FUL Full Application

Works: New dwelling Extension Loft or dormer Windows or glazing Several homes

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

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

As published by the council, reference 261052FUL

Application record

Reference
261052FUL
Type
Full Application
Status
Granted with Conditions
Decision
Grant with Conditions
Received
11 Mar 2026
Validated
11 Mar 2026
Decided
6 May 2026
Ward
Southfield
Decision by
Delegated Decision
Postcode
W4 5ES

Timeline

Dates from the published record

  1. 11 Mar 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 6 May 2026

    Decision issued: Grant with Conditions

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, registered in Dartford

99 applications on PlanIndex · across 17 councils · 87% granted

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Documents

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

11 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 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.

About full applications

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.

Nearby applications

Within 500 metres

  • 3 Seymour Road Chiswick W4 5ES

    261052FUL Submitted 11 Mar 2026 0m 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 22m 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 22m away

    Single storey rear wraparound extension

    Granted Householder Extension 13 docs
    Small domestic

  • 15 Wolseley Road Chiswick W4 5EG

    254732CPL Submitted 17 Dec 2025 22m 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 22m 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 30m away

    Single storey rear infill extension

    Granted Householder Extension 15 docs
    Small domestic

In Old Oak and Park Royal Development Corporation

  • 26/0129/FULOPDC Status unknown

    6, Standard Road, Ealing, Park Royal, NW10 6EU

    Retrospective change of use of the building from Use Class B8 (storage and distr

    3 Sep 2026 Full applications
  • 262639FUL Refused

    43 Second Avenue Acton W3 7RX

    Conversion of existing dwellinghouse into four self-contained flats

    2 Jul 2026 Full applications
  • 261981FUL Granted

    8 Lyon Way Greenford UB6 0BN

    Use of the site as use Classes E(g)(iii) (industrial process), B2 (Industrial) and B8 (Storage) uses and ancillary floor space

    13 May 2026 Full applications
  • 262368FUL Granted

    43/43A Mill Hill Road Acton W3 8JE

    Deconversion of two self contained flats to single dwellinghouse (Use Class C3) and associated internal alterations

    12 Jun 2026 Full applications
  • 262102FUL Refused

    10 Church Road Acton W3 8PP

    Construction of third floor to provide additional self-contained flat with provision of cycle and waste storage; rear outrigger roof extension and alterations to second floor flat

    21 May 2026 Full applications