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320 High Street Harlington

47112/APP/2023/2009FullApproved

Approved on 18 September 2023

4 conditions

Proposal

Conversion of roof space to include rear dormer, 4 front roof lights and 1 rear roof light to existing flat roof.

Received
7 July 2023
Ward
H/ROW VILLAGES 2022
  1. Received7 Jul
  2. Validated7 Jul
  3. Consult.11 Aug
  4. Target18 Sep
  5. Decided18 Sep

Decided in 73 days (council typically 56)

About this application

This is a full planning application for a dormer extension at 320 HIGH STREET HARLINGTON. Hillingdon has handled 4,983 applications of this type. This one was decided in 73 days, 2 weeks longer than Hillingdon's typical decision time. There are no previous applications recorded at this address. In the past year there have been 86 applications across H/ROW VILLAGES 2022. We hold 26 applications in total for the TW6 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
TW6 2SU
Application type
Full
Scale / size
Medium

Planning application dates

Date validated
7 July 2023
Neighbour consultation start
21 July 2023
Last date for comments
11 August 2023
Target decision date
18 September 2023

Applicant and agent

Agent address
Afshana Ali 320 high street Harlington Harlington Hayes UB3 5DU

Planning decision

Statutory period
73 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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