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20 Winchester Road Northwood

1884/APP/2026/486FullApproved

Approved on 22 April 2026

Proposal

Increase in existing garage roof height.

Received
24 February 2026
Ward
NORTHWOOD HILLS 2022
  1. Received24 Feb
  2. Validated26 Feb
  3. Consult.
  4. Target23 Apr
  5. Decided22 Apr

Decided in 55 days (council typically 56)

About this application

This is a full planning application for a garage at 20 WINCHESTER ROAD NORTHWOOD. Hillingdon has handled 4,983 applications of this type. This one was decided in 57 days. There are no previous applications recorded at this address. In the past year there have been 116 applications across NORTHWOOD HILLS 2022.

87% of full applications at London Borough of Hillingdon were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Application type
Full
Scale / size
Small

Planning application dates

Date validated
26 February 2026
Target decision date
23 April 2026

Applicant and agent

Agent address
Mr Colin Harper-Penman Suite1 Lower Barn Farm Hadleigh Rayleigh SS6 9ET

Planning decision

Statutory period
56 days

Additional information

Documents
6

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • 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 2026-11-03. 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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