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Northwood

51312/APP/2025/623Full planning permissionApproved
Full

Approved on 15 July 2025

Approximate site (title boundary)
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

Partial retention of the part single storey, part two storey wraparound extension to the side and rear, involving conversion of existing garage with new front window, erection of cycle/refuse store. and modification to existing dormer to reduce its size together with conversion of a single dwelling house into 2 x self-contained flats with associated parking, cycle and bin stores.

Submitted
6 March 2025
  1. Received6 Mar
  2. Validated
  3. Consult.
  4. Target
  5. Decided15 Jul

Decided in 131 days (council typically 56)

About this application

This is a planning application for a dormer extension at Northwood. Hillingdon has handled 480 applications of this type. This one was decided in 131 days, 11 weeks longer than Hillingdon's typical decision time. There have been 189 other applications at this address. In the past year there have been 145 applications across NORTHWOOD 2022.

67% of full planning permission 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 planning permission

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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 2026-11-03. 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.

Associated applications

  1. 2025
    1 Dec

    Details pursuant to the discharge of Conditions 9 (Electric Vehicle Charging Point) of planning permission…

    ApprovedDischarge of conditions51312/APP/2025/3024
  2. 2025
    6 Mar

    Partial retention of the part single storey, part two storey wraparound extension to the side and rear…

    This applicationApprovedFull planning permission51312/APP/2025/623

Source: Hillingdon

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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