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
- Granted As published: 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
A+L Architecture Studio Agent, an architecture practice registered in Hitchin
Active · incorporated 2009 · Hitchin
14 applications on PlanIndex · across 7 councils · 91% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
13 documents on file for this application
- OFFICERS REPORT
- DECISION NOTICE
- ROOF PLAN EXISTING
- EXISTING AND PROPOSED REAR ELEVATION
- PROPOSED LOFT AND ROOF PLAN
- LOCATION PLAN
- PROPOSED GROUND FLOOR AND FIRST FLOOR
- EXISTING AND PROPOSED FRONT ELEVATION
- EXISTING AND PROPOSED SECTIONS
- PROPOSED GROUND AND FIRST FLOOR PLAN
- BLOCK PLAN
- BLOCK PLAN EXISTING
- APPLICATION FORM REDACTED
Watch members (£5 a month) open the document list 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 0.3 miles
-
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
-
263142CPL Granted
42 Gloucester Road Acton W3 8PD
Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
263690CPL Awaiting decision
133 Trinity Road Southall UB1 1ES
Rear roof extension, and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262683CPE Granted
1 Speldhurst Road Chiswick W4 1BX
Continuous use of conversion of the roof space to provide additional habitable accommodation, installation of rooflights to the front roof slope and a rear dormer and construction of a single-storey rear extension. External materials to match the existing dwelling (Lawful Development Certificate for an Existing Development)
-
254066CPE Refused
37 Robin Hood Way Greenford UB6 7QN
Use of ground floor flat and first/second floor flat (Use Class C3) as 2 x House in Multiple Occupation (Use Class C4) (Certificate of Lawfulness for an Existing Use)
-
262883CPL Granted
90 Church Road Hanwell W7 3BE
Rear roof extension (following removal of chimney); installation of two rooflight to front roofslope (Lawful Development Certificate for a Proposed Development)