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Planning application

122 Cornwall Avenue Southall UB1 2TQ

Granted Old Oak and Park Royal Development Corporation 261879HH Householder

Works: Extension Demolition Small domestic

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

Single storey rear outbuilding (Following the demolition of the rear conservatory)

As published by the council, reference 261879HH

Application record

Reference
261879HH
Type
Householder
Status
Granted with Conditions
Decision
Grant with Conditions
Received
30 Apr 2026
Validated
30 Apr 2026
Decided
10 Jul 2026
Ward
Lady Margaret
Decision by
Delegated Decision
Postcode
UB1 2TQ

Timeline

Dates from the published record

  1. 30 Apr 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 10 Jul 2026

    Decision issued: Grant with Conditions

  3. 27 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Engineers Associates Agent, an engineering consultancy registered in Tonbridge

Dissolved · incorporated 2017 · Tonbridge

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

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Documents

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

9 documents on file for this application

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What this grant of permission means

Old Oak and Park Royal Development Corporation granted permission on 10 July 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 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

  • 122 Cornwall Avenue Southall UB1 2TQ

    261879HH Submitted 30 Apr 2026 0m away

    Single storey rear outbuilding (Following the demolition of the rear conservatory)

    Granted Householder Extension Demolition 9 docs
    Small domestic

  • 101 Cornwall Avenue Southall UB1 2TQ

    262135CPE Submitted 27 May 2026 0m away

    Continue to use the dwellinghouse as HMO (Sui Generis) (Lawful Development Certificate for an Existing Use)

    Refused Lawful development 15 docs
    Domestic

  • 81 Cornwall Avenue Southall UB1 2TQ

    262503FUL Submitted 23 Jun 2026 0m away

    75% historically approved · decision due ~18 Aug

    Conversion of single dwelling into 2 x self contained flats (2 X 1 Bedroom) with amenity space, bin/cycle stores & off-street parking, and installation of a roof lantern to the single storey rear extension (Retrospective application)

    Awaiting decision Full applications New dwelling Extension +1 10 docs
    Small domestic

  • 81 Cornwall Avenue Southall UB1 2TQ

    262503FUL Submitted 23 Jun 2026 1m away

    86% historically approved · decision due ~18 Aug

    Conversion of single dwelling into 2 x self contained flats (2 X 1 Bedroom) with amenity space, bin/cycle stores & off-street parking, and installation of a roof lantern to the single storey rear extension (Retrospective application)

    Awaiting decision New dwelling Extension +1 10 docs
    Small domestic

  • 101 Cornwall Avenue Southall UB1 2TQ

    262135CPE Submitted 27 May 2026 1m away

    Continue to use the dwellinghouse as HMO (Sui Generis) (Lawful Development Certificate for an Existing Use)

    Refused 15 docs
    Domestic

  • 103 Cornwall Avenue Southall UB1 2TQ

    254463CPL Submitted 26 Nov 2025 13m away

    Alteration of roof from hip to gable end; and rear roof extension (Application for a Lawful Development Certificate for a Proposed Development)

    Refused Lawful development Extension Loft or dormer 4 docs

In Old Oak and Park Royal Development Corporation

  • 262218HH Granted

    67 Woodfield Road Ealing W5 1SR

    Rear roof extension; installation of a rooflight on the rear roof slope; and associated internal and external alterations

    2 Jun 2026 Householder
  • 261961HH Granted

    28 Ludlow Road Ealing W5 1NY

    Replacement of existing single glazed windows and doors with double glazed and internal amendments

    12 May 2026 Householder
  • 261866HH Granted

    33 Carlton Road Chiswick W4 5DY

    Single-storey side and rear extension; extension to the rear roof to form a second floor above the existing outrigger (including the construction of a new wall along the side elevation to support the structure); installation of one rooflight within the existing rear roof dormer; alterations to fenestration involving the replacement of an existing rear window with a door; and Formation of a new window and door opening associated with a porch canopy in the side elevation at ground-floor level.

    6 May 2026 Householder
  • 262779HH Refused

    14 Summit Road Northolt UB5 5HJ

    Two storey side extension; part single, part two storey rear extension (following demolition of existing single-storey rear extension); alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony and installation of three rooflights to front roofslope

    15 Jul 2026 Householder
  • 262778HH Refused

    406 Lady Margaret Road Southall UB1 2NL

    Part single, part two-storey side/rear extension (following demolition of existing single-storey side extension); front porch extension (following demolition of existing front porch); alteration of roof from hip to gable end; rear roof extension, and installation of two rooflights to front roofslope

    14 Jul 2026 Householder