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Planning application

261645CPE

54 Allendale Avenue Southall UB1 2SW

Awaiting decision Ealing Certificate of Lawfulness - Existing

Proposal

Continued use from a dwellinghouse (C3) to a mixed-use consisting of three self-contained flats and a 4-bedroom house in multiple occupation (HMO) (Use Class C4) (Lawful Development Certificate for an Existing Use)

As published by the council, reference 261645CPE

Timeline

Dates from the published record

  1. 20 Apr 2026

    Received by Ealing

  2. 7 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Ealing for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 261645CPE Awaiting decision

    54 Allendale Avenue Southall UB1 2SW

    Continued use from a dwellinghouse (C3) to a mixed-use consisting of three self-contained flats and a 4-bedroom house in multiple occupation (HMO) (Use Class C4) (Lawful Development Certificate for an Existing Use)

    20 Apr 2026 0m away Lawful development
  • 242424HH Granted

    60 Allendale Avenue Southall UB1 2SW

    Single storey front extension; single storey rear extension; first floor rear extensions

    25 Jun 2024 25m away Householder
  • 261600HH Granted

    17 Manaton Crescent Southall UB1 2SY

    Single storey detached garden outbuilding for use as a gym room

    15 Apr 2026 99m away Householder
  • 230152FUL Refused

    27 Somerset Road Southall Ealing UB1 2UA

    Conversion of single dwellinghouse into three self-contained residential units with amenity space and boundary treatment; single storey front porch extension; single storey side/rear (wrap around) extension; first floor side extension; first floor rear extension; single storey detached garden outbuilding for use as store. (Part (Retrospective)

    13 Jan 2023 128m away Full applications
  • 261652HH Awaiting decision

    23 Waxlow Crescent Southall UB1 2ST

    Part single and part two storey rear extension incorporating Juliet balcony (following demolition of existing rear extension); single storey front extension; conversion of garage into habitable room; alteration of roof from hip to gable end, rear roof extension incorporating Juliet balcony, and installation of four rooflights to front roofslope and one roof light to rear roofslope and alteration and replacement of existing windows

    20 Apr 2026 170m away Householder
  • 261652HH Awaiting decision

    23 Waxlow Crescent Southall UB1 2ST

    Part single and part two storey rear extension incorporating Juliet balcony (following demolition of existing rear extension); single storey front extension; conversion of garage into habitable room; alteration of roof from hip to gable end, rear roof extension incorporating Juliet balcony, and installation of four rooflights to front roofslope and one roof light to rear roofslope and alteration and replacement of existing windows

    20 Apr 2026 170m away Householder

In Ealing

  • 262398CPL Granted

    22 Endsleigh Road West Ealing W13 0RE

    Rear dormer roof extension to rear (main) roofslope (involving conversion of roofspace to habitable use); rear dormer roof extension to rear outrigger; (following demolition of existing chimney stack above roof level to rear outrigger); installation of two rooflight to front roofslope; and associated internal alterations (Application for a Lawful Development Certificate for a Proposed Development)

    15 Jun 2026 Lawful development
  • 262426CPL Granted

    8 Oakfield Gardens Greenford UB6 8SD

    Single storey rear garden outbuilding (Lawful Development Certificate for a Proposed Development)

    9 Jun 2026 Lawful development
  • 262275CPL Granted

    19 Gordon Road Southall UB2 5QE

    Rear roof extension; rear outrigger roof extension; installation of two rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)

    5 Jun 2026 Lawful development
  • 260468CPL Granted

    46 Rose Gardens Ealing W5 4JX

    Replacement of windows, external doors, fixtures and fittings including front entrance canopy, fascias and rainwater goods; and all other associated internal and external alterations and improvements (Regulation 3 - Application by London Borough of Ealing) (Lawful Development Certificate for a Proposed Development)

    6 Feb 2026 Lawful development
  • 262230CPL Granted

    34 Grove Avenue Hanwell W7 3EP

    Rear roof extension (involving conversion of roof space to habitable use); incorporating a rear dormer and dormer extension over the existing rear outrigger roof; and installation of two rooflights to the front roof slope; (Application for a Lawful Development Certificate for a Proposed Development)

    2 Jun 2026 Lawful development