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78 High Street Northwood

32265/APP/2025/280FullApproved

Approved on 23 December 2025

16 conditions

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

Demolition of existing rear workshop buildings (Use Class E) and construction of 2 no. self-contained flats and 1 no. dwellinghouse (Use Class C3) with associated private amenity space, landscaping, cycle and refuse storage, together with alterations and a two-storey rear extension to the existing building, including internal layout changes to the first-floor residential flat above the retail unit and the installation of a rear dormer window (REVISED DESCRIPTION)

Received
4 February 2025
Ward
NORTHWOOD 2022
  1. Received4 Feb
  2. Validated20 Feb
  3. Consult.18 Nov
  4. Target9 Jan
  5. Decided23 Dec

Decided in 306 days (council typically 56)

About this application

This is a full planning application for demolition at 78 HIGH STREET NORTHWOOD. Hillingdon has handled 4,983 applications of this type. This one was decided in 322 days, 38 weeks longer than Hillingdon's typical decision time. There are no previous applications recorded at this address. In the past year there have been 145 applications across NORTHWOOD 2022. We hold 932 applications in total for the HA6 postcode area.

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

Postcode
HA6 1BJ
Application type
Full
Scale / size
Medium

Planning application dates

Date validated
20 February 2025
Neighbour consultation start
21 February 2025
Last date for comments
18 November 2025
Target decision date
9 January 2026

Applicant and agent

Agent address
Mr Julian Seabrook Unit 17 Chiltern Court Asheridge Road Chesham HP5 2PX

Planning decision

Statutory period
323 days

Additional information

Documents
27

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Changes of use from commercial, business and service uses to dwellinghouses+1 more
  • 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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