15 Sefton Avenue, Harrow, HA3 5JT
Proposal
Two storey side single storey front and rear extensions
- Received
- 12 June 2002
- Decided
- 7 August 2002 · REF
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Harrow
- Ward
- Wealdstone
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
- ReceivedSubmitted12 Jun
- ValidatedValidated18 Jun
- Consult.Consultation
- TargetTarget Date
- DecidedDecided7 Aug
Decided in 50 days (council typically 56)
This is a full planning application for an extension at 15 Sefton Avenue, Harrow, HA3 5JT. Harrow has handled 5,243 applications of this type and approves 87% of them, typically deciding them in 58 days. This one was decided in 56 days. The site is in a conservation area. There have been 2 other applications at this address. We hold 5,281 applications in total for the HA3 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Harrow
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near HA3
New planning applications delivered to your inbox weekly.
Planning history at this site
2 other applications at this property, newest first.
Planning constraints
Designations that overlap or adjoin the site outline.
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (22)
flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.