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Planning application

4 Mount Avenue Southall UB1 2LH

Refused Old Oak and Park Royal Development Corporation 260699HH Householder

Works: Extension 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

Single storey rear and side extension (following demolition of existing rear extension)

As published by the council, reference 260699HH

Application record

Reference
260699HH
Type
Householder
Status
Refused
Decision
Refused
Received
18 Feb 2026
Validated
18 Feb 2026
Decided
14 Apr 2026
Ward
Lady Margaret
Decision by
Delegated Decision
Postcode
UB1 2LH

Site history

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

This site has had 4 applications since 2026: 2 approved, 2 refused.

  • 262196CPL Granted

    4 Mount Avenue Southall UB1 2LH

    Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)

    Decided 21 Aug 2026 Lawful development
  • 262197PALHE Granted

    4 Mount Avenue Southall UB1 2LH

    Single storey (Max 6m deep and Max 3m high) rear extension (42 days Prior Notification Process)

    Decided 10 Jul 2026 Prior approval
  • 260700CPL Refused

    4 Mount Avenue Southall UB1 2LH

    Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)

    Decided 10 Apr 2026 Lawful development

Timeline

Dates from the published record

  1. 18 Feb 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 14 Apr 2026

    Decision issued: Refused

  3. 10 Aug 2026

    Added to PlanIndex

Documents

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

8 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.

Trade members open them from here.

Open the documents

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 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 500 metres

  • 4 Mount Avenue Southall UB1 2LH

    260699HH Submitted 18 Feb 2026 0m away

    Single storey rear and side extension (following demolition of existing rear extension)

    Refused Householder Extension Demolition 8 docs
    Small domestic

  • 4 Mount Avenue Southall UB1 2LH

    260700CPL Submitted 18 Feb 2026 0m away

    Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)

    Refused Lawful development Extension Loft or dormer 5 docs

  • 4 Mount Avenue Southall UB1 2LH

    260700CPL Submitted 18 Feb 2026 0m away

    Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)

    Refused Lawful development Extension Loft or dormer 5 docs

  • 42 Mount Avenue Southall UB1 2LH

    243347HH Submitted 2 Sep 2024 49m away

    Single rear and side extension.

    Granted Householder Extension 13 docs
    Domestic

  • 42 Mount Avenue Southall UB1 2LH

    243347HH Submitted 2 Sep 2024 49m away

    Single rear and side extension.

    Granted Householder Extension 13 docs
    Domestic

  • 4 Mount Avenue Southall UB1 2LH

    262196CPL Submitted 30 May 2026 65m away

    87% historically approved · decision due ~25 Jul

    Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)

    Decided Extension Loft or dormer

In Old Oak and Park Royal Development Corporation

  • 261571HH Granted

    55 Ramillies Road Chiswick W4 1JW

    Single storey rear extension; alteration of roof from hip to gable end; rear roof extension; installation of two rooflights to front roofslope; alterations to side fenestrations; replacement glazing throughout, replacement external render and hung tiles

    14 Apr 2026 Householder
  • 262060HH Granted

    8 Carlyle Gardens Southall UB1 2BN

    Construction of single storey rear extension; first floor rear extension; alterations to the front, side and rear elevations involving modifications and insertion of windows; together with associated internal alterations (Retrospective)

    19 May 2026 Householder
  • 262480HH Refused

    270 Norwood Road Southall UB2 4JH

    Alteration of roof from hip to gable end; rear roof extension; installation of three rooflights to front roofslope; alteration to first floor rear extension roof; external alterations

    19 Jun 2026 Householder
  • 262450HH Granted

    83 Bilton Road Perivale UB6 7BB

    Formation of vehicle crossover

    18 Jun 2026 Householder
  • 262646HH Granted

    130 Bridge Avenue Hanwell W7 3AR

    Single storey rear extension

    2 Jul 2026 Householder