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Planning application

252702CPL

12 Newmarket Avenue Northolt UB5 4HA

Awaiting decision Ealing Certificate of Lawfulness - Proposed

Proposal

Conversion of existing dwelling to 6 person House in Multiple Occupation (Use Class C4) with rear roof extension and front rooflights (Lawful Development Certificate for a Proposed Development)

As published by the council, reference 252702CPL

Timeline

Dates from the published record

  1. 14 Jul 2025

    Received by Ealing

  2. 25 Jul 2026

    Added to PlanIndex

  3. 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

  • 252702CPL Awaiting decision

    12 Newmarket Avenue Northolt UB5 4HA

    Conversion of existing dwelling to 6 person House in Multiple Occupation (Use Class C4) with rear roof extension and front rooflights (Lawful Development Certificate for a Proposed Development)

    14 Jul 2025 0m away Lawful development
  • 250624FUL Awaiting decision

    75 Kempton Avenue Northolt UB5 4HG

    Change of use from a single dwelling house (Use Class C3) to a Large House in Multiple Occupation (Use Class Sui generis) - Retrospective Application

    17 Feb 2025 40m away Full applications
  • 250624FUL Awaiting decision

    75 Kempton Avenue Northolt UB5 4HG

    Change of use from a single dwelling house (Use Class C3) to a Large House in Multiple Occupation (Use Class Sui generis) - Retrospective Application

    17 Feb 2025 40m away Full applications
  • 262288FUL Awaiting decision

    Petts Hill Primary School Newmarket Avenue Northolt UB5 4HB

    Installation of roof mounted air source heat pump, associated acoustic enclosure/attenuation equipment and associated works (Following removal of existing water tank) (Regulation 3 Application from Ealing Council)

    5 Jun 2026 105m away Full applications
  • 262288FUL Awaiting decision

    Petts Hill Primary School Newmarket Avenue Northolt UB5 4HB

    Installation of roof mounted air source heat pump, associated acoustic enclosure/attenuation equipment and associated works (Following removal of existing water tank) (Regulation 3 Application from Ealing Council)

    5 Jun 2026 105m away Full applications
  • 214238FUL Granted

    1 Redcar Close Northolt Middlesex UB5 4EE

    Formation of vehicle crossover and dropped kerb

    28 May 2021 110m away Full applications

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
  • 253362OPDLDE Decided

    13 Wendover Court Western Avenue Acton W3 0TG

    Continued use of property (Use Class C3) as House in Multiple Occupation (Use Class C4)(Lawful Development Certificate for Existing Use)

    19 Aug 2025 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