21 Windermere Avenue Ruislip Middlesex HA4 9RG
Proposal
Erection of single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
- Received
- 3 September 2024
- Decided
- 30 October 2024
- Council
- London Borough of Hillingdon
- Ward
- EASTCOTE 2022
- ReceivedSubmitted3 Sep
- ValidatedValidated11 Sep
- Consult.Consultation
- TargetTarget Date6 Nov
- DecidedDecided30 Oct
Decided in 49 days (council typically 56)
This is a full planning application for a single storey rear extension at 21 WINDERMERE AVENUE RUISLIP MIDDLESEX HA4 9RG. 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 57 days. There are no previous applications recorded at this address. In the past year there have been 133 applications across EASTCOTE 2022. 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.
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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.
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