Interphone Ltd, Interphone House, 12 - 22 Herga Road, Wealdstone, Harrow, HA3 5AS
Proposal
Change Of Use From Office (Class B1a (New Class E)) To 29 no.Self-Contained Flats (Class C3); (Prior Approval Of Transport & Highways Impacts Of The Development, Contamination Risks And Flooding Risks On The Site, and Impacts Of Noise From Commercial Premises On The Intended Occupiers Of The Development)
- Received
- 3 November 2022
- Decided
- 31 May 2023 · Other
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Harrow
- Ward
- Marlborough
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 Nov
- ValidatedValidated4 Nov
- Consult.Consultation
- TargetTarget Date
- DecidedDecided31 May
Decided in 208 days (council typically 56)
This is an outline application for a change of use at Interphone Ltd, Interphone House, 12 - 22 Herga Road, Wealdstone, Harrow, HA3 5AS. 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 209 days, 22 weeks longer than Harrow's median. The site is in a conservation area. There have been 6 other applications at this address. In the past year there have been 94 applications across Marlborough. 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.
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Planning history at this site
8 other applications at this property, newest first.
- 202622 Sep
Installation of new electrical substation
PendingFull Planning ApplicationPL/2503/26 - 20268 Jun
Installation of new electrical substation
RefusedApplicationPL/0922/26 - 202514 Dec
Details pursuant to conditions 11 (lighting strategy), 14 (cycle provision), 19 (air extraction system), 21…
PendingDischarge of conditionsPL/3245/25 - 202521 May
Details pursuant to Condition 10 (Materials) attached to planning permission P/3539/22
ApprovedDischarge of conditionsPL/1322/25 - 202424 Sep
Details pursuant to Conditions 3 (Windows and Doors), 4 (Landscaping) and 5 (Cycle Storage) attached to…
ApprovedDischarge of conditionsPL/2628/24 - 20248 Jul
Details pursuant to Condition 3 (logistics plan) and Condition 23 (sustainability and energy) attached to…
ApprovedDischarge of conditionsPL/1859/24 - 202412 Jun
Details pursuant to Conditions 4 (Surface Water Attenuation and Disposal), 5 (Foul Water Disposal), 7…
ApprovedDischarge of conditionsPL/1608/24 - 202210 Oct
Creation of additional two storeys (to create five storey building) comprising of eight self contained flats…
ApprovedFull Planning ApplicationP/3539/22
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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