Planning application
42 Townson Avenue Northolt UB5 6PP
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Single storey rear outbuilding for use as a gym (Lawful Development Certificate for a Proposed Development)
As published by the council, reference 261178CPL
Application record
- Reference
- 261178CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Granted As published: Permitted Development
- Received
- 17 Mar 2026
- Validated
- 17 Mar 2026
- Decided
- 1 Apr 2026
- Ward
- Northolt West End
- Decision by
- Delegated Decision
- Postcode
- UB5 6PP
Timeline
Dates from the published record
-
17 Mar 2026
Received by Old Oak and Park Royal Development Corporation
-
1 Apr 2026
Decision issued: Permitted Development
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
AH ARCHITECTURE Agent, an architecture practice
106 applications on PlanIndex · across 16 councils · 60% 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
4 documents on file for this application
- DECISION NOTICE
- OFFICERS REPORT
- APPLICATION FORM REDACTED
- DRAWING PACK- EXISTING AND PROPOSED
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Open the documentsWhat this grant of permission means
Old Oak and Park Royal Development Corporation granted permission on 1 April 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
-
42 Townson Avenue Northolt UB5 6PP
Single storey rear outbuilding for use as a gym (Lawful Development Certificate for a Proposed Development)
Granted Lawful development 4 docsSmall domestic -
40 Townson Avenue Northolt Ealing UB5 6PP
Alteration of roof from hip to gable end; rear roof extension incorporating Juliet balcony, and installation of three roof lights to front roofslope; proposed render to all elevations
Granted Householder Extension Loft or dormer 12 docsDomestic -
40 Townson Avenue Northolt Ealing UB5 6PP
Alteration of roof from hip to gable end; rear roof extension incorporating Juliet balcony, and installation of three roof lights to front roofslope; proposed render to all elevations
Granted Householder Extension Loft or dormer 12 docsDomestic -
34 Townson Avenue Northolt UB5 6PP
Alteration of roof from hip to gable end; rear dormer roof extension (involving conversion of roofspace to habitable use); and installation of three rooflights to front roofslope (Application for a Lawful Development Certificate for a Proposed Development)
Granted Extension Loft or dormer 5 docs -
34 Townson Avenue Northolt UB5 6PP
Alteration of roof from hip to gable end; rear dormer roof extension (involving conversion of roofspace to habitable use); and installation of three rooflights to front roofslope (Application for a Lawful Development Certificate for a Proposed Development)
Granted Lawful development Extension Loft or dormer 5 docs -
1 Bournemead Way Northolt UB5 6PL
Single storey (max 6.00m deep and max 3.30 high) rear extension (42 Days Prior Approval Notification Process)
Granted Prior approval Extension 7 docsSmall domestic
Other lawful development applications
In Old Oak and Park Royal Development Corporation
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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)
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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)