Planning application
42 Cuckoo Avenue Hanwell W7 1BX
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Single storey rear extension and installation of sliding doors; single storey front porch extension; internal and external alterations
As published by the council, reference 261351HH
Application record
- Reference
- 261351HH
- Type
- Householder
- Status
- Granted with Conditions
- Decision
- Grant with Conditions
- Received
- 27 Mar 2026
- Validated
- 27 Mar 2026
- Decided
- 20 May 2026
- Ward
- North Hanwell
- Decision by
- Delegated Decision
- Postcode
- W7 1BX
Site history
Applications at this address on the Old Oak and Park Royal Development Corporation register
This site has had 3 applications since 2026: 2 approved, 1 refused.
-
262406HH Granted
42 Cuckoo Avenue Hanwell W7 1BX
Rear roof dormer extension (following removal of solar panels) (involving conversion of roofspace to habitable use); installation of two rooflights to front roofslope
-
261187CPL Refused
42 Cuckoo Avenue Hanwell W7 1BX
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)
Timeline
Dates from the published record
-
27 Mar 2026
Received by Old Oak and Park Royal Development Corporation
-
20 May 2026
Decision issued: Grant with Conditions
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in Northolt
27 applications on PlanIndex · across 7 councils · 71% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
15 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Old Oak and Park Royal Development Corporation granted permission on 20 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
42 Cuckoo Avenue Hanwell W7 1BX
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)
Refused Lawful development Extension Loft or dormer 8 docs -
42 Cuckoo Avenue Hanwell W7 1BX
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)
Refused Lawful development Extension Loft or dormer 8 docs -
42 Cuckoo Avenue Hanwell W7 1BX
Single storey rear extension and installation of sliding doors; single storey front porch extension; internal and external alterations
Granted Householder Extension 15 docsSmall domestic -
42 Cuckoo Avenue Hanwell W7 1BX
Rear roof dormer extension (following removal of solar panels) (involving conversion of roofspace to habitable use); installation of two rooflights to front roofslope
Granted Householder Extension Loft or dormer 16 docsDomestic -
42 Cuckoo Avenue Hanwell W7 1BX
87% historically approved · decision due ~11 Aug
Rear roof dormer extension (following removal of solar panels) (involving conversion of roofspace to habitable use); installation of two rooflights to front roofslope
Decided Extension Loft or dormer -
55 Cuckoo Avenue Hanwell London W7 1BW
Single-storey rear extension (following demolition of existing conservatory) (Lawful Development Certificate for a Proposed Development).
Granted Lawful development Extension Demolition 6 docsSmall domestic
Other householder applications
In Old Oak and Park Royal Development Corporation
-
261571HH Granted
55 Ramillies Road Chiswick W4 1JW
Single storey rear extension; alteration of roof from hip to gable end; rear roof extension; installation of two rooflights to front roofslope; alterations to side fenestrations; replacement glazing throughout, replacement external render and hung tiles
-
262060HH Granted
8 Carlyle Gardens Southall UB1 2BN
Construction of single storey rear extension; first floor rear extension; alterations to the front, side and rear elevations involving modifications and insertion of windows; together with associated internal alterations (Retrospective)
-
262480HH Refused
270 Norwood Road Southall UB2 4JH
Alteration of roof from hip to gable end; rear roof extension; installation of three rooflights to front roofslope; alteration to first floor rear extension roof; external alterations
-
262450HH Granted
83 Bilton Road Perivale UB6 7BB
Formation of vehicle crossover
-
262646HH Granted
130 Bridge Avenue Hanwell W7 3AR
Single storey rear extension