12 Whiteheath Avenue Ruislip
Approved on 12 November 2026
Council decision: Approval
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.
Proposal
Conversion of roof space to habitable use to include hip to gable roof extensions of both sides, rear dormer, 3x front roof lights, gable end window, and the erection of outbuilding to the rear garden, following the removal of the existing chimney stacks (Application for a Certificate of Lawful Development for a Proposed Development)
- Received
- 8 October 2026
- Council
- London Borough of Hillingdon
- Ward
- RUISLIP 2022
- ReceivedReceived8 Oct
- ValidatedValidated15 Oct
- Consult.Consultation
- TargetTarget Date10 Dec
- DecidedDecided12 Nov
Decided in 28 days
About this application
This is a planning application for a dormer extension at 12 WHITEHEATH AVENUE RUISLIP. Hillingdon has handled 9,217 applications of this type. This one was decided in 35 days, 3 weeks quicker than Hillingdon's typical decision time. There are no previous applications recorded at this address. We hold 768 applications in total for the HA4 postcode area.
Application details
- Postcode
- HA4 7PR
Planning application dates
- Date validated
- 15 October 2026
- Target decision date
- 10 December 2026
Planning decision
- Case officer
- Tabitha Dresden
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 2: Medium probability (rivers and sea)Next to the site
- Article 4 direction: Residential extensions
- Green belt: HillingdonPart of the site
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (21)
flood storage areas, conservation areas, listed buildings, 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 2026-11-03. 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.
Source: Hillingdon
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
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For applicants and trades
Contractors near this project
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