Planning application
Flat 3 Niagara House Northfield Avenue Ealing W5 4UG
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Subdivision and continued use of existing flat as two self-contained residential units (Use Class C3) 3 AND 3A Niagara House W5 4UG (Lawful Development Certificate for an Existing Use)
As published by the council, reference 260337CPE
Application record
- Reference
- 260337CPE
- Type
- Certificate of Lawfulness - Existing
- Status
- Permitted Development
- Decision
- Permitted Development
- Received
- 28 Jan 2026
- Validated
- 28 Jan 2026
- Decided
- 24 Mar 2026
- Ward
- Northfield
- Decision by
- Delegated Decision
- Postcode
- W5 4UG
Timeline
Dates from the published record
-
28 Jan 2026
Received by Old Oak and Park Royal Development Corporation
-
24 Mar 2026
Decision issued: Permitted Development
-
10 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
7 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 this grant of permission means
Old Oak and Park Royal Development Corporation granted permission on 24 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
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
-
Flat 3 Niagara House Northfield Avenue Ealing W5 4UG
Subdivision and continued use of existing flat as two self-contained residential units (Use Class C3) 3 AND 3A Niagara House W5 4UG (Lawful Development Certificate for an Existing Use)
Granted Lawful development 7 docs -
Niagara House, Flat 3A Northfield Avenue Ealing W5 4UG
75% historically approved · decision due ~13 Aug
Rear roof extension to existing flat
Awaiting decision Full applications Extension 5 docs -
Niagara House, Flat 3A Northfield Avenue Ealing W5 4UG
87% historically approved · decision due ~13 Aug
Rear roof extension to existing flat
Awaiting decision Extension -
304 Northfield Avenue Ealing W5 4UB
Change of use of the ground floor from betting shop (Use Class Sui Generis) to a tanning salon (Use Class E). Alteration to the shopfront; single storey rear extension.
Granted Full applications Extension Windows or glazing 10 docsSmall domestic -
304 Northfield Avenue Ealing W5 4UB
Change of use of the ground floor from betting shop (Use Class Sui Generis) to a tanning salon (Use Class E). Alteration to the shopfront; single storey rear extension.
Granted Full applications Extension Windows or glazing 10 docsSmall domestic -
312 Northfield Avenue Ealing London W5 4UB
Single storey rear extension (following demolition of existing addition),Change of use from shop (Use class E(a)) to health clinic (Use class E(e)).
Granted Full applications Extension Demolition 9 docsSmall domestic
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)