36 Windermere Avenue Ruislip HA4 9RF
Proposal
Conversion of roofspace to habitable use to include a rear dormer with a Juliette balcony, 2 front rooflights and conversion of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a proposed Development)
- Received
- 2 December 2015
- Decided
- 19 January 2016
- Council
- London Borough of Hillingdon
- Ward
- CAVENDISH
- ReceivedSubmitted2 Dec
- ValidatedValidated2 Dec
- Consult.Consultation
- TargetTarget Date27 Jan
- DecidedDecided19 Jan
Decided in 48 days (council typically 56)
This is a full planning application for a dormer extension at 36 WINDERMERE AVENUE RUISLIP HA4 9RF. Hillingdon has handled 4,983 applications of this type and approves 81% of them, typically deciding them in 56 days. This one was decided in 48 days, 8 days quicker than Hillingdon's median. There are no previous applications recorded at this address. We hold 745 applications in total for the HA4 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Hillingdon
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 HA4
New planning applications delivered to your inbox weekly.
Planning constraints
Designations that overlap or adjoin the site outline.
- Article 4 direction: Residential extensions
- Flood zone 1: Low probability (rivers and sea)
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.