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12 Cuckoo Dene Hanwell W7 3DP

261509PALHEPrior Approval - Larger Home ExtensionRefused
Outline / PiP

Refused on 19 May 2026

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

Single storey (max 6.00m deep and max 3.20 high) rear extension (42 Days Prior Approval Notification Process)

Received
9 April 2026
Ward
North Hanwell
Agent
Blue Architecture Limited
  1. Received9 Apr
  2. Validated9 Apr
  3. Consult.5 May
  4. Target21 May
  5. Decided19 May

Decided in 40 days (council typically 56)

About this application

This is an outline application for a rear extension at 12 Cuckoo Dene Hanwell W7 3DP. Ealing has handled 2,249 applications of this type. This one was decided in 40 days, 2 weeks quicker than Ealing's typical decision time. There has been 1 other application at this address. In the past year there have been 80 applications across North Hanwell. We hold 681 applications in total for the W7 postcode area.

87% of outline applications at London Borough of Ealing 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.See what's approved near your address

Application details

Postcode
W7 3DP
Application type
Prior Approval - Larger Home Extension
Scale / size
Small

Planning application dates

Date validated
9 April 2026
Consultation expiry
5 May 2026
Neighbour consultation start
14 April 2026
Neighbour consultation end
5 May 2026
Target decision date
21 May 2026

Applicant and agent

Agent
Blue Architecture Limited
Architect profile
BLUE ARCHITECTURE LIMITED
Agent address
102 Dorchester Waye Hayes Hillingdon UB4 0HY

Planning decision

Statutory period
42 days

Additional information

Planning Portal ID
PP-14838012
Comments
0
Documents
6
Constraints
5

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

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: Ealing

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

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