Planning application
12 Newmarket Avenue Northolt UB5 4HA
Works: Extension Loft or dormer Domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
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
Application record
- Reference
- 252702CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Awaiting decision
- Received
- 14 Jul 2025
- Validated
- 14 Jul 2025
- Ward
- Northolt Mandeville
- Postcode
- UB5 4HA
Timeline
Dates from the published record
-
14 Jul 2025
Received by Old Oak and Park Royal Development Corporation
-
3 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 8 September 2025, 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.
Documents
Plans, drawings, consultee responses and the officer's report
6 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 documentsWhat 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 lawful development applications in a median of 54 days. More in our guide to how long planning decisions take.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
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)
Withdrawn Extension Loft or dormer 6 docsDomestic -
75 Kempton Avenue Northolt UB5 4HG
75% historically approved · decision due ~29 Jul
Change of use from a single dwelling house (Use Class C3) to a Large House in Multiple Occupation (Use Class Sui generis) - Retrospective Application
Awaiting decision Full applications 6 docsDomestic -
75 Kempton Avenue Northolt UB5 4HG
76% historically approved · decision due ~29 Jul
Change of use from a single dwelling house (Use Class C3) to a Large House in Multiple Occupation (Use Class Sui generis) - Retrospective Application
Awaiting decision Full applications 6 docsDomestic -
75 Kempton Avenue Northolt Middlesex UB5 4HG
Single storey rear extension (max 6m deep and 2.95m high) (42 Days Prior Approval Notification Process)
Granted Prior approval Extension 5 docsSmall domestic -
Petts Hill Primary School Newmarket Avenue Northolt UB5 4HB
75% historically approved · decision due ~27 Aug
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)
Awaiting decision Full applications 8 docs -
Petts Hill Primary School Newmarket Avenue Northolt UB5 4HB
86% historically approved · decision due ~27 Aug
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)
Awaiting decision 8 docs
Other lawful development applications
In Old Oak and Park Royal Development Corporation
-
262788CPL Granted
7 Kent Avenue West Ealing W13 8BE
Alteration of roof from hip to gable end (following removal of chimney stack), rear roof extension incorporating a Juliet balcony; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)
-
262782CPL Granted
28 Noel Road Acton W3 0JX
Alteration of roof from hip to gable end; rear roof extension; installation of two rooflights to front roofslope; part single, part two storey rear extension; single storey side extension; installation of one side window to gable (Lawful Development Certificate for a Proposed Development)
-
262244CPL Refused
79 Somerset Road Southall UB1 2UE
Single storey detached garden outbuilding for use as gym (Lawful Development Certificate for a Proposed Development)
-
262727CPL Granted
32 Beresford Avenue Hanwell W7 3AL
Alteration of roof from hip to gable end; rear roof extension and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262518CPL Granted
64 Culmington Road West Ealing W13 9NH
Alteration of roof from hip to gable end; rear roof extension incorporating Juliet balcony; installation of window to side gable; installation of four rooflights to front roofslope; replacement of side gable window (Lawful Development Certificate for a Proposed Development)