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137 Ash Grove Harefield

43258/APP/2025/2524FullApproved

Approved on 7 January 2026

6 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

Erection of single storey rear and side extension, following demolition of existing rear outbuilding, and alteration to external appearance of existing rear dormer.

Received
30 September 2025
Ward
HARE/D VILLAGES 2022
  1. Received30 Sep
  2. Validated30 Sep
  3. Consult.3 Jan
  4. Target9 Jan
  5. Decided7 Jan

Decided in 99 days (council typically 56)

About this application

This is a full planning application for demolition at 137 ASH GROVE HAREFIELD. Hillingdon has handled 4,983 applications of this type. This one was decided in 99 days, 6 weeks longer than Hillingdon's typical decision time. There are no previous applications recorded at this address. In the past year there have been 62 applications across HARE/D VILLAGES 2022. We hold 1,195 applications in total for the UB9 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
UB9 6EZ
Application type
Full
Scale / size
Medium

Planning application dates

Date validated
30 September 2025
Consultation expiry
14 November 2025
Neighbour consultation start
17 October 2025
Last date for comments
3 January 2026
Target decision date
9 January 2026

Applicant and agent

Agent address
Mr Alex Jarczok 9 Anderson Close Harefield Uxbridge UB9 6HF

Planning decision

Statutory period
101 days

Publicity

Site notice start
23 October 2025
Site notice end
14 November 2025

Additional information

Documents
6

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Residential extensions
  • Green belt: HillingdonNext to the site
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (21)

flood storage areas, conservation areas, listed buildings, 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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