Planning application
214123CPL
133 Islip Manor Road Northolt Middlesex UB5 5EE
Proposal
Alteration of roof from hip-to-gable end; rear roof extension; outrigger roof extension incorporating a Juliet balcony; installation of three rooflights to front roof slope; installation of one window to second floor side elevation (Lawful Development Certificate for a Proposed Development)
As published by the council, reference 214123CPL
Timeline
Dates from the published record
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9 Jun 2021
Received by Old Oak and Park Royal Development Corporation
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21 Jul 2021
Decision issued: Refused
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3 Aug 2026
Added to PlanIndex
What refusal means
The process from here
The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.
Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.
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.
Nearby applications
Within 500 metres
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214123CPL Refused
133 Islip Manor Road Northolt Middlesex UB5 5EE
Alteration of roof from hip-to-gable end; rear roof extension; outrigger roof extension incorporating a Juliet balcony; installation of three rooflights to front roof slope; installation of one window to second floor side elevation (Lawful Development Certificate for a Proposed Development)
-
224249CPE Granted
6 Yeoman Road Northolt Middlesex UB5 5TJ
Continued use of dwelling house as three self-contained flats with integrated garage; alterations to front elevation, replacing garage door with window opening (Lawful Development Certificate for an Existing Development)
-
262487HH Awaiting decision
14 Islip Gardens Northolt UB5 5BX
Single storey rear extension; demolition of canopy; two storey side extension; relocation of main entrance door; installation of one rooflight to front roofslope; use of roofspace as storage
-
262487HH Awaiting decision
14 Islip Gardens Northolt UB5 5BX
Single storey rear extension; demolition of canopy; two storey side extension; relocation of main entrance door; installation of one rooflight to front roofslope; use of roofspace as storage
-
213923PALHE Refused
10 Harewood Avenue Northolt Middlesex UB5 5DE
Single storey rear extension (max 6m deep and max 3.2m high) (following demolition of existing conservatory) (42 Days Prior Approval Notification Process)
-
213923PALHE Refused
10 Harewood Avenue Northolt Middlesex UB5 5DE
Single storey rear extension (max 6m deep and max 3.2m high) (following demolition of existing conservatory) (42 Days Prior Approval Notification Process)
Other lawful development applications
In Old Oak and Park Royal Development Corporation
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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)
-
262426CPL Granted
8 Oakfield Gardens Greenford UB6 8SD
Single storey rear garden outbuilding (Lawful Development Certificate for a Proposed 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)
-
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)
-
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)