Planning application
77 Castle Road Northolt UB5 4SF
Works: Extension Loft or dormer
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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)
As published by the council, reference 261607CPL
Application record
- Reference
- 261607CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Pending Consideration
- Received
- 16 Apr 2026
- Validated
- 3 Aug 2026
- Ward
- Northolt Mandeville
- Postcode
- UB5 4SF
Site history
Applications at this address on the Old Oak and Park Royal Development Corporation register
This site has had 3 applications since 2026: 1 approved, 1 refused.
-
262402PALHE Granted
77 Castle Road Northolt UB5 4SF
Single storey (Max 6m deep and Max 3.10m high) rear extension (42 days Prior Notification Process)
-
261177PALHE Refused
77 Castle Road Northolt UB5 4SF
Single storey rear extension (max 6m deep and max 3.10m high) (42 Days Prior Approval Notification Process)
Timeline
Dates from the published record
-
16 Apr 2026
Received by Old Oak and Park Royal Development Corporation
-
3 Aug 2026
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 28 September 2026, 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.
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice registered in Horncastle
40 applications on PlanIndex · across 8 councils · 68% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
4 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
-
77 Castle Road Northolt UB5 4SF
Single storey (Max 6m deep and Max 3.10m high) rear extension (42 days Prior Notification Process)
Granted Prior approval Extension 6 docsSmall domestic -
77 Castle Road Northolt UB5 4SF
87% historically approved · decision due ~10 Aug
Single storey (Max 6m deep and Max 3.10m high) rear extension (42 days Prior Notification Process)
Awaiting decision ExtensionSmall domestic -
77 Castle Road Northolt UB5 4SF
87% historically approved · decision due ~28 Sep
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)
Awaiting decision Extension Loft or dormer -
114 Castle Road Northolt UB5 4SF
88% historically approved · decision due ~6 May
Single storey rear extension with flat roof, new white upvc window and bi-fold doors with 2no white upvc roof lights over and proposed front porch with pitched roof over, tiles to match existing main roof and front door to match existing
Awaiting decision Householder Extension Loft or dormer +1 5 docsSmall domestic -
114 Castle Road Northolt UB5 4SF
89% historically approved · decision due ~6 May
Single storey rear extension with flat roof, new white upvc window and bi-fold doors with 2no white upvc roof lights over and proposed front porch with pitched roof over, tiles to match existing main roof and front door to match existing
Awaiting decision Householder Extension Loft or dormer +1 5 docsSmall domestic -
77 Castle Road Northolt Middlesex UB5 4SF
Two storey side extension, forming a single dwelling house adjoining existing terrace, associated cycle and car parking, refuse storage
Granted Full applications Extension 13 docsDomestic
Other lawful development applications
In Old Oak and Park Royal Development Corporation
-
262843CPL Refused
29 Nutfield Gardens Northolt UB5 6LU
Alteration of roof from hip to gable end, rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)
-
262774CPL Granted
133 Cleveland Road West Ealing W13 0EN
Alteration of roof from hip to gable end and rear roof extension; rear dormer enlargement; installation of three rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262610CPL Refused
6 Morden Gardens Greenford UB6 0LT
Single storey rear extension (following demolition of rear addition) (Lawful Development Certificate for a Proposed Development)
-
262475CPL Granted
80 Windmill Lane Greenford UB6 9DS
Rear roof extension, and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262678CPL Granted
19 Southwell Avenue Northolt UB5 4DX
Rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)