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42 Cuckoo Avenue Hanwell W7 1BX

261187CPLCertificate of Lawfulness - ProposedRefused
Outline / PiP

Refused on 12 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

Rear roof dormer extension (involving conversion of roofspace to habitable use), incorporating Juliet balcony; installation of three rooflights to front roofslope; and associated internal alterations (Application for a Lawful Development Certificate for a Proposed Development)

Received
18 March 2026
Ward
North Hanwell
Agent
Rkitek Design
  1. Received18 Mar
  2. Validated18 Mar
  3. Consult.
  4. Target13 May
  5. Decided12 May

Decided in 55 days (council typically 56)

About this application

This is an outline application for a dormer extension at 42 Cuckoo Avenue Hanwell W7 1BX. Ealing has handled 2,249 applications of this type. This one was decided in 55 days. The site is in the Cuckoo Estate conservation area. There have been 2 other applications at this address. In the past year there have been 78 applications across North Hanwell. We hold 682 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.Planning something similar? See what gets approved on your street

Application details

Postcode
W7 1BX
Application type
Certificate of Lawfulness - Proposed
Scale / size
Small

Planning application dates

Date validated
18 March 2026
Target decision date
13 May 2026

Applicant and agent

Agent
Rkitek Design
Architect profile
RKITEK DESIGN LIMITED
Agent address
57 Summit Road Northolt UB5 5HL

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14789319
Comments
0
Documents
6
Constraints
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Cuckoo Estate
  • Heritage at Risk Register: Cuckoo Estate, Hanwell
  • 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 (20)

flood storage areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, 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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