446a Rayners Lane, Rayners Lane, Pinner, Harrow, HA5 5DX
Proposal
Change of use of Office at rear of ground floor (Class A2 (New class E)) to one studio flat (Class C3) (prior approval of transport & highways impacts of the development, and of contamination risks and flooding risks on the site, and impacts of noise from commercial premises on the intended occupiers and provision of natural light in all habitable rooms)
- Received
- 3 February 2022
- Decided
- 20 April 2022 · Grant
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Harrow
- Ward
- Rayners Lane
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.
- ReceivedSubmitted3 Feb
- ValidatedValidated10 Feb
- Consult.Consultation
- TargetTarget Date
- DecidedDecided20 Apr
Decided in 69 days (council typically 56)
This is an outline application for a change of use at 446a Rayners Lane, Rayners Lane, Pinner, Harrow, HA5 5DX. Harrow has handled 2,395 applications of this type and approves 87% of them, typically deciding them in 56 days. This one was decided in 76 days, 3 weeks longer than Harrow's median. The site is in a conservation area. There have been 2 other applications at this address. In the past year there have been 73 applications across Rayners Lane. We hold 1,678 applications in total for the HA5 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.
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Planning history at this site
3 other applications at this property, newest first.
- 202131 Aug
First floor side infill extension at No.446B and removal of bathroom window at No.446A.
ApprovedFull Planning ApplicationP/3622/21 - 202129 Jul
Change of use of Office at rear of ground floor (Class A2 (New class E)) to one studio flat (Class C3) (prior…
RefusedPrior Approval (Miscellaneous Acts)P/3231/21/PRIOR - 20154 Sep
Conversion of first floor flat and roofspace into two flats and one maisonette; first floor side to rear…
ApprovedFull Planning PermissionP/4197/15
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.
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