Planning application
12 Cuckoo Dene Hanwell W7 3DP
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Single storey (max 6.00m deep and max 3.20 high) rear extension (42 Days Prior Approval Notification Process)
As published by the council, reference 261509PALHE
Application record
- Reference
- 261509PALHE
- Type
- Prior Approval - Larger Home Extension
- Status
- Prior Approval Required and Refused
- Decision
- Prior Approval Required and Refused
- Received
- 9 Apr 2026
- Validated
- 9 Apr 2026
- Decided
- 19 May 2026
- Ward
- North Hanwell
- Decision by
- Delegated Decision
- Postcode
- W7 3DP
Site history
Applications at this address on the Old Oak and Park Royal Development Corporation register
This site has had 2 applications since 2026: 1 approved, 1 refused.
-
262200PALHE Granted
12 Cuckoo Dene Hanwell W7 3DP
Single storey (Max 4m deep and Max 3.20m high) rear extension (42 days Prior Notification Process) following demolition of existing rear addition
Timeline
Dates from the published record
-
9 Apr 2026
Received by Old Oak and Park Royal Development Corporation
-
19 May 2026
Decision issued: Prior Approval Required and Refused
-
27 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Blue Architecture Limited Agent, an architecture practice registered in Hayes
Active · incorporated 2011 · Hayes
69 applications on PlanIndex · across 11 councils · 85% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
8 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 refusal means
Old Oak and Park Royal Development Corporation refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
About prior approval applications
Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
12 Cuckoo Dene Hanwell W7 3DP
Single storey (max 6.00m deep and max 3.20 high) rear extension (42 Days Prior Approval Notification Process)
Refused Prior approval Extension 8 docsSmall domestic -
12 Cuckoo Dene Hanwell W7 3DP
Single storey (Max 4m deep and Max 3.20m high) rear extension (42 days Prior Notification Process) following demolition of existing rear addition
Awaiting decision Extension Demolition 9 docsSmall domestic -
12 Cuckoo Dene Hanwell W7 3DP
Single storey (Max 4m deep and Max 3.20m high) rear extension (42 days Prior Notification Process) following demolition of existing rear addition
Granted Prior approval Extension Demolition 9 docsSmall domestic -
7 Elmbank Way Hanwell W7 3DE
Single storey detached rear garden outbuilding; and installation of solar panels (following demolition of existing garage) (Lawful Development Certificate for a Proposed Development)
Refused Lawful development Demolition 13 docsSmall domestic -
7 Elmbank Way Hanwell W7 3DE
Single storey detached rear garden outbuilding; and installation of solar panels (following demolition of existing garage) (Lawful Development Certificate for a Proposed Development)
Refused Lawful development Demolition 13 docsSmall domestic -
420 Greenford Avenue Hanwell London W7 3DB
Single storey (Max 6m deep and Max 3.4m high) rear extension (42 days Prior Notification Process)
Granted Prior approval Extension 11 docsSmall domestic
Other prior approval applications
In Old Oak and Park Royal Development Corporation
-
263368PALHE Awaiting decision
68 Daryngton Drive Greenford UB6 8BL
Single storey rear extension (max 6m deep and max 3m high) (42 Days Prior Approval Notification Process)
-
263386PALHE Awaiting decision
188 Hicks Avenue Greenford UB6 8HD
Single storey rear extension (max 6m deep and max 3.95m high) (following demolition of existing rear conservatory) (42 Days Prior Approval Notification Process)
-
263349PALHE Awaiting decision
71 Gunnersbury Avenue Ealing W5 4LP
Single storey rear extension (max 8m high and max 3m high) (42 Days Prior Approval Notification Process)
-
262961PALHE Granted
13 Perimeade Road Perivale UB6 7AR
Single storey rear extension (max 6m deep and max 3.23m high) (42 Days Prior Approval Notification Process)
-
263322PALHE Awaiting decision
6 Delta Grove Northolt UB5 6DX
Single storey (Max 3.50m deep and Max 3.15m high) rear extension (42 days Prior Notification Process)