Planning application
107 Lancaster Road Northolt UB5 4TE
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Rear roof dormer extension (involving conversion of roofspace to habitable use), incorporating Juliet balcony; installation of two rooflight to front roofslope; and associated internal alterations
As published by the council, reference 261495CPL
Application record
- Reference
- 261495CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Permitted Development
- Received
- 1 Apr 2026
- Validated
- 1 Apr 2026
- Decided
- 12 May 2026
- Ward
- Northolt Mandeville
- Decision by
- Delegated Decision
- Postcode
- UB5 4TE
Site history
Applications at this address on the Old Oak and Park Royal Development Corporation register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
261419PALHE Granted
107 Lancaster Road Northolt UB5 4TE
Single storey (max 5.00 m deep and max 3.83m high) rear extension (42 Days Prior Approval Notification Process)
Timeline
Dates from the published record
-
1 Apr 2026
Received by Old Oak and Park Royal Development Corporation
-
12 May 2026
Decision issued: Permitted Development
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice registered in Hitchin
11 applications on PlanIndex · across 6 councils
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
13 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 12 May 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
-
107 Lancaster Road Northolt UB5 4TE
Single storey (max 5.00 m deep and max 3.83m high) rear extension (42 Days Prior Approval Notification Process)
Granted Prior approval Extension 13 docsSmall domestic -
107 Lancaster Road Northolt UB5 4TE
Rear roof dormer extension (involving conversion of roofspace to habitable use), incorporating Juliet balcony; installation of two rooflight to front roofslope; and associated internal alterations
Granted Lawful development Extension Loft or dormer 13 docs -
107 Lancaster Road Northolt UB5 4TE
Single storey (max 5.00 m deep and max 3.83m high) rear extension (42 Days Prior Approval Notification Process)
Granted Prior approval Extension 13 docsSmall domestic -
58-60 Girton Road Northolt UB5 4SR
Deconversion of the existing building from two flats (C3) and change of use to a C3(b) single household dwellinghouse for up to 6 residents for use as a children's home. (Lawful Development Certificate for a Proposed Development)
Granted Lawful development New dwelling 6 docsSeveral homes -
58-60 Girton Road Northolt UB5 4SR
Change of use from class C3B (single dwellinghouse in use as a supported living facility for children) to class C2 (childrens residential care home) for 4 children, aged 6 to 17.
Granted Full applications 11 docsDomestic -
58-60 Girton Road Northolt UB5 4SR
Change of use from class C3B (single dwellinghouse in use as a supported living facility for children) to class C2 (childrens residential care home) for 4 children, aged 6 to 17.
Granted Full applications 11 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)