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Planning application

10 Duncan Grove Acton W3 7NN

Refused Old Oak and Park Royal Development Corporation 254483FUL Full Application

Works: Extension Loft or dormer Demolition Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Conversion of a single dwellinghouse into three self-contained dwellings; alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of two rooflights to front roofslope; excavation of a basement with lightwells to front and side; rear sunken garden; single storey rear extension over basement extension with Juliet balcony (following demolition of existing rear extension); and associated internal and external alterations

As published by the council, reference 254483FUL

Application record

Reference
254483FUL
Type
Full Application
Status
Refused
Decision
Refused
Received
27 Nov 2025
Validated
27 Nov 2025
Decided
18 Feb 2026
Ward
East Acton
Decision by
Delegated Decision
Postcode
W3 7NN

Site history

Applications at this address on the Old Oak and Park Royal Development Corporation register

This site has had 5 applications since 2025: 1 approved, 2 refused.

  • 262772FUL Awaiting decision

    10 Duncan Grove Acton W3 7NN

    Conversion of a single dwellinghouse into two self-contained dwellings; alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of two rooflights to front roofslope; excavation of a basement with lightwells front and side; single storey rear extension over basement extension with Juliet balcony (following demolition of existing rear extension); and associated internal and external alterations; installation of fence; alterations to side fenestrations

    Submitted 14 Jul 2026 Full applications
  • 261071FUL Refused

    10 Duncan Grove Acton W3 7NN

    Conversion of a single dwellinghouse into two self-contained dwellings; alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of two rooflights to front roofslope; excavation of a basement with lightwells front and side; single storey rear extension over basement extension with Juliet balcony (following demolition of existing rear extension); and associated internal and external alterations; installation of fence; alterations to side fenestrations

    Decided 6 May 2026 Full applications
  • 260994CND Granted

    10 Duncan Grove Acton W3 7NN

    Details flood risk & sustainable drainage strategy plan pursuant to condition 6 of planning permission Ref: 251228HH dated 13.11.2025 'Single storey rear extension incorporating balcony (following demolition of existing rear extension); excavation to provide a basement level; alterations to side fenestrations; associated external and internal alterations'

    Decided 20 Apr 2026 Conditions
  • 260366CND Awaiting decision

    10 Duncan Grove Acton W3 7NN

    Details of a demolition method statement and construction management plan pursuant to condition 4 of planning permission ref: 251228HH dated 13/11/2025 for: Single storey rear extension incorporating balcony (following demolition of existing rear extension); excavation to provide a basement level; alterations to side fenestrations; associated external and internal alterations

    Submitted 29 Jan 2026 Conditions

Timeline

Dates from the published record

  1. 27 Nov 2025

    Received by Old Oak and Park Royal Development Corporation

  2. 18 Feb 2026

    Decision issued: Refused

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Juttla Architects Agent, an architecture practice

54 applications on PlanIndex · across 8 councils · 69% granted

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Documents

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

14 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 refusal means

Old Oak and Park Royal Development Corporation refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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 0.3 miles

  • 10 Duncan Grove Acton W3 7NN

    254483FUL Submitted 27 Nov 2025 50 yards away

    Conversion of a single dwellinghouse into three self-contained dwellings; alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of two rooflights to front roofslope; excavation of a basement with lightwells to front and side; rear sunken garden; single storey rear extension over basement extension with Juliet balcony (following demolition of existing rear extension); and associated internal and external alterations

    Refused Full applications Extension Loft or dormer +1 14 docs
    Small domestic

  • 10 Duncan Grove Acton W3 7NN

    261071FUL Submitted 12 Mar 2026 50 yards away

    Conversion of a single dwellinghouse into two self-contained dwellings; alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of two rooflights to front roofslope; excavation of a basement with lightwells front and side; single storey rear extension over basement extension with Juliet balcony (following demolition of existing rear extension); and associated internal and external alterations; installation of fence; alterations to side fenestrations

    Refused Full applications Extension Loft or dormer +1 14 docs
    Small domestic

  • 10 Duncan Grove Acton W3 7NN

    260994CND Submitted 9 Mar 2026 50 yards away

    Details flood risk & sustainable drainage strategy plan pursuant to condition 6 of planning permission Ref: 251228HH dated 13.11.2025 'Single storey rear extension incorporating balcony (following demolition of existing rear extension); excavation to provide a basement level; alterations to side fenestrations; associated external and internal alterations'

    Granted Conditions Extension Demolition 6 docs
    Small domestic

  • 10 Duncan Grove Acton W3 7NN

    260366CND Submitted 29 Jan 2026 50 yards away

    94% historically approved · decision due ~26 Mar

    Details of a demolition method statement and construction management plan pursuant to condition 4 of planning permission ref: 251228HH dated 13/11/2025 for: Single storey rear extension incorporating balcony (following demolition of existing rear extension); excavation to provide a basement level; alterations to side fenestrations; associated external and internal alterations

    Awaiting decision Conditions Extension Demolition 5 docs
    Small domestic

  • 10 Duncan Grove Acton W3 7NN

    261071FUL Submitted 12 Mar 2026 50 yards away

    Conversion of a single dwellinghouse into two self-contained dwellings; alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of two rooflights to front roofslope; excavation of a basement with lightwells front and side; single storey rear extension over basement extension with Juliet balcony (following demolition of existing rear extension); and associated internal and external alterations; installation of fence; alterations to side fenestrations

    Refused Full applications Extension Loft or dormer +1 14 docs
    Small domestic

  • 10 Duncan Grove Acton W3 7NN

    260994CND Submitted 9 Mar 2026 50 yards away

    Details flood risk & sustainable drainage strategy plan pursuant to condition 6 of planning permission Ref: 251228HH dated 13.11.2025 'Single storey rear extension incorporating balcony (following demolition of existing rear extension); excavation to provide a basement level; alterations to side fenestrations; associated external and internal alterations'

    Granted Conditions Extension Demolition 6 docs
    Small domestic

In Old Oak and Park Royal Development Corporation

  • 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