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Planning application

12 Cuckoo Dene Hanwell W7 3DP

Refused Old Oak and Park Royal Development Corporation 261509PALHE Prior Approval - Larger Home Extension

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

    Decided 8 Jul 2026 Prior approval

Timeline

Dates from the published record

  1. 9 Apr 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 19 May 2026

    Decision issued: Prior Approval Required and Refused

  3. 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

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Documents

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.

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What 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

    261509PALHE Submitted 9 Apr 2026 0m away

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

    Refused Prior approval Extension 8 docs
    Small domestic
  • 12 Cuckoo Dene Hanwell W7 3DP

    262200PALHE Submitted 31 May 2026 36m away

    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 docs
    Small domestic
  • 12 Cuckoo Dene Hanwell W7 3DP

    262200PALHE Submitted 31 May 2026 37m away

    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 docs
    Small domestic
  • 7 Elmbank Way Hanwell W7 3DE

    243681CPL Submitted 30 Sep 2024 38m away

    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 docs
    Small domestic
  • 7 Elmbank Way Hanwell W7 3DE

    243681CPL Submitted 30 Sep 2024 38m away

    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 docs
    Small domestic
  • 420 Greenford Avenue Hanwell London W7 3DB

    214310PALHE Submitted 15 Jun 2021 66m away

    Single storey (Max 6m deep and Max 3.4m high) rear extension (42 days Prior Notification Process)

    Granted Prior approval Extension 11 docs
    Small domestic

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)

    8 Sep 2026 Prior approval
  • 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)

    8 Sep 2026 Prior approval
  • 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)

    6 Sep 2026 Prior approval
  • 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)

    31 Jul 2026 Prior approval
  • 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)

    1 Sep 2026 Prior approval