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Planning application

20 King Street Southall UB2 4DA

Awaiting decision Old Oak and Park Royal Development Corporation 263107FUL Full Application

Works: Extension

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

First floor rear extension to the existing three bedroom flat

As published by the council, reference 263107FUL

Application record

Reference
263107FUL
Type
Full Application
Status
Pending Consideration
Received
14 Aug 2026
Validated
14 Aug 2026
Ward
Southall Green
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.

  • 253447FUL Refused

    20 King Street Southall UB2 4DA

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

    Decided 21 Nov 2025 Full applications

Timeline

Dates from the published record

  1. 14 Aug 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 1 Oct 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 9 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Old Oak and Park Royal Development Corporation took a median of 55 days over the applications it decided in the last year.

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

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Old Oak and Park Royal Development Corporation for determination, against a statutory target of eight weeks. Over the last year Old Oak and Park Royal Development Corporation decided full applications in a median of 78 days. More in our guide to how long planning decisions take.

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

  • 22 King Street Southall UB2 4DA

    262403CND Submitted 15 Jun 2026 50 yards away

    94% historically approved · decision due ~10 Aug

    Submission of demolition method statement/ construction management plan pursuant to condition 20 of planning permission Ref: 225404FUL dated 09.03.2022 '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)'

    Awaiting decision Conditions Extension Demolition 2 docs

  • 22 King Street Southall UB2 4DA

    262403CND Submitted 15 Jun 2026 50 yards away

    94% historically approved · decision due ~10 Aug

    Submission of demolition method statement/ construction management plan pursuant to condition 20 of planning permission Ref: 225404FUL dated 09.03.2022 '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)'

    Awaiting decision Conditions Extension Demolition 2 docs

  • 22 King Street Southall UB2 4DA

    261521CND Submitted 1 Apr 2026 50 yards away

    Details of installation of acoustic lobbies to external entrances and exits pursuant to condition 11 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 Extension Demolition 11 docs

  • 8 And 8A King Street Southall UB2 4DA

    253220FUL Submitted 22 Aug 2025 50 yards away

    Change of use of rear of ground floor retail unit and upper floors from residential accommodation (Use class C3) to a Large House in Multiple Occupation (Use Class Sui Generis).

    Refused 10 docs

  • 22 King Street Southall UB2 4DA

    261520CND Submitted 1 Apr 2026 50 yards away

    Details of sound insulation of the non-residential building envelope and of any mitigation measures pursuant to condition 7 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 Extension Demolition 11 docs

  • 8 And 8A King Street Southall UB2 4DA

    253220FUL Submitted 22 Aug 2025 50 yards away

    75% historically approved · decision due ~17 Oct

    Change of use from residential accommodation (Use class C3) to a Large House in Multiple Occupation (Use Class Sui Generis) over four levels, rear of ground floor retail unit, first, second and third floors above

    Awaiting decision Full applications 10 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