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Planning application

20 King Street Southall UB2 4DA

Refused Old Oak and Park Royal Development Corporation 253447FUL Full Application

Works: Extension

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

Proposal

First floor rear extension to accommodate one self-contained studio flat; and associated internal and external alterations

As published by the council, reference 253447FUL

Application record

Reference
253447FUL
Type
Full Application
Status
Refused
Decision
Refused
Received
10 Sep 2025
Validated
29 Sep 2025
Decided
21 Nov 2025
Ward
Southall Green
Decision by
Delegated Decision
Postcode
UB2 4DA

Site history

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

This site has had 2 applications since 2025: 0 approved, 1 refused.

  • 263107FUL Awaiting decision

    20 King Street Southall UB2 4DA

    First floor rear extension to the existing three bedroom flat

    Submitted 14 Aug 2026 Full applications

Timeline

Dates from the published record

  1. 10 Sep 2025

    Received by Old Oak and Park Royal Development Corporation

  2. 29 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 21 Nov 2025

    Decision issued: Refused

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

M C S Design Architectural Services Agent, an architecture practice

100 applications on PlanIndex · across 23 councils · 66% granted

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Documents

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

12 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

  • 20 King Street Southall UB2 4DA

    253447FUL Submitted 10 Sep 2025 50 yards away

    First floor rear extension to accommodate one self-contained studio flat; and associated internal and external alterations

    Refused Full applications Extension 12 docs

  • 22 King Street Southall UB2 4DA

    261547CND Submitted 13 Apr 2026 50 yards away

    Hard and Soft Landscaping Details pursuant to Condition 26 of planning permission ref: 225404FUL dated 01.07.2025 for: Constructions of two storey rear extension; construction of a second and third floor to provide additional live-in accommodation, prayer space and storage (Mixed Use Class Sui Generis/F1(f)) including internal alterations and renovations, improved outdoor amenity space, and associated elevational works including the installation of a roof dome (Following demolition of 11, 13 and 15 Elmfield Road)

    Granted Conditions Extension Demolition 5 docs

  • 22 King Street Southall UB2 4DA

    261547CND Submitted 13 Apr 2026 50 yards away

    Hard and Soft Landscaping Details pursuant to Condition 26 of planning permission ref: 225404FUL dated 01.07.2025 for: Constructions of two storey rear extension; construction of a second and third floor to provide additional live-in accommodation, prayer space and storage (Mixed Use Class Sui Generis/F1(f)) including internal alterations and renovations, improved outdoor amenity space, and associated elevational works including the installation of a roof dome (Following demolition of 11, 13 and 15 Elmfield Road)

    Granted Conditions Extension Demolition 5 docs

  • 22 King Street Southall UB2 4DA

    261522CND Submitted 1 Apr 2026 50 yards away

    Details of sound mitigation measures pursuant to condition 12 of planning permission ref: 225404FUL dated 01/07/2025 for: Constructions of two storey rear extension; construction of a second and third floor to provide additional live-in accommodation, prayer space and storage (Mixed Use Class Sui Generis/F1(f)) including internal alterations and renovations, improved outdoor amenity space, and associated elevational works including the installation of a roof dome (Following demolition of 11, 13 and 15 Elmfield Road)

    Granted Conditions Extension Demolition 4 docs

  • 22 King Street Southall UB2 4DA

    261427CND Submitted 1 Apr 2026 50 yards away

    Details of Materials of external surfaces pursuant to Condition 3 of planning permission ref: 225404FUL dated 01/07/2025 for: Constructions of two storey rear extension; construction of a second and third floor to provide additional live-in accommodation, prayer space and storage (Mixed Use Class Sui Generis/F1(f)) including internal alterations and renovations, improved outdoor amenity space, and associated elevational works including the installation of a roof dome (Following demolition of 11, 13 and 15 Elmfield Road)

    Granted Conditions Extension Demolition 7 docs

  • 22 King Street Southall UB2 4DA

    261427CND Submitted 1 Apr 2026 50 yards away

    Details of Materials of external surfaces pursuant to Condition 3 of planning permission ref: 225404FUL dated 01/07/2025 for: Constructions of two storey rear extension; construction of a second and third floor to provide additional live-in accommodation, prayer space and storage (Mixed Use Class Sui Generis/F1(f)) including internal alterations and renovations, improved outdoor amenity space, and associated elevational works including the installation of a roof dome (Following demolition of 11, 13 and 15 Elmfield Road)

    Granted Conditions Extension Demolition 7 docs

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