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Planning application

54 Cowper Road Hanwell W7 1EH

Refused Old Oak and Park Royal Development Corporation 254291PALHE Prior Approval - Larger Home Extension

Works: Extension Demolition 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 rear extension (max 5.00m deep and max 3.56m high) (following demolition of existing conservatory) (42 Days Prior Approval Notification Process)

As published by the council, reference 254291PALHE

Application record

Reference
254291PALHE
Type
Prior Approval - Larger Home Extension
Status
Prior Approval Required and Refused
Decision
Refused As published: Prior Approval Required and Refused
Received
12 Nov 2025
Validated
12 Nov 2025
Decided
17 Dec 2025
Ward
North Hanwell
Decision by
Delegated Decision
Postcode
W7 1EH

Site history

Applications at this address on the Old Oak and Park Royal Development Corporation register

This site has had 3 applications since 2025: 2 approved, 1 refused.

  • 260246HH Granted

    54 Cowper Road Hanwell W7 1EH

    Single storey rear extension (following demolition of existing conservatory)

    Decided 20 Mar 2026 Householder
  • 254290CPL Granted

    54 Cowper Road Hanwell W7 1EH

    Rear roof extension incorporating a Juliet balcony; installation of two rooflights to rear dormer; and installation of three rooflights to front roofslopes (Lawful Development Certificate for a Proposed Development)

    Decided 7 Jan 2026 Lawful development

Timeline

Dates from the published record

  1. 12 Nov 2025

    Received by Old Oak and Park Royal Development Corporation

  2. 17 Dec 2025

    Decision issued: Prior Approval Required and Refused

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

N. Turner Designs Ltd Agent, a design practice registered in Bucks,

Active · incorporated 2013 · Bucks,

38 applications on PlanIndex · across 17 councils · 94% granted

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See their track record

Documents

Plans, drawings, consultee responses and the officer's report

5 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 0.3 miles

  • 54 Cowper Road Hanwell W7 1EH

    260246HH Submitted 23 Jan 2026 50 yards away

    Single storey rear extension (following demolition of existing conservatory)

    Granted Householder Extension Demolition 10 docs
    Small domestic

  • 54 Cowper Road Hanwell W7 1EH

    254290CPL Submitted 12 Nov 2025 50 yards away

    Rear roof extension incorporating a Juliet balcony; installation of two rooflights to rear dormer; and installation of three rooflights to front roofslopes (Lawful Development Certificate for a Proposed Development)

    Granted Lawful development Extension Loft or dormer 8 docs

  • 54 Cowper Road Hanwell W7 1EH

    260246HH Submitted 23 Jan 2026 50 yards away

    Single storey rear extension (following demolition of existing conservatory)

    Granted Householder Extension Demolition 10 docs
    Small domestic

  • 54 Cowper Road Hanwell W7 1EH

    254291PALHE Submitted 12 Nov 2025 50 yards away

    Single storey rear extension (max 5.00m deep and max 3.56m high) (following demolition of existing conservatory) (42 Days Prior Approval Notification Process)

    Refused Prior approval Extension Demolition 5 docs
    Small domestic

  • 54 Cowper Road Hanwell W7 1EH

    254290CPL Submitted 12 Nov 2025 50 yards away

    Rear roof extension incorporating a Juliet balcony; installation of two rooflights to rear dormer; and installation of three rooflights to front roofslopes (Lawful Development Certificate for a Proposed Development)

    Granted Lawful development Extension Loft or dormer 8 docs

  • 52 Cowper Road Hanwell W7 1EH

    261302CPL Submitted 26 Mar 2026 50 yards away

    Construction of rear dormer; installation of four front rooflights (Application for a Lawful Development Certificate for a Proposed Development)

    Granted Lawful development Loft or dormer 13 docs

In Old Oak and Park Royal Development Corporation

  • 263729PALHE Awaiting decision

    51 Waverley Gardens North Circular Road Park Royal NW10 7EE

    Single storey (Max 5m deep and Max 3m high) rear extension (42 days Prior Notification Process)

    Received 8 Oct, published by the council 12 Oct 2026 Prior approval
  • 263717PALHE Awaiting decision

    17 Worcester Gardens Greenford UB6 0BH

    Single storey (Max 6m deep and Max 2.80m high) rear extension (42 days Prior Notification Process)

    Received 8 Oct, published by the council 12 Oct 2026 Prior approval
  • 263709PALHE Awaiting decision

    72 George V Way Perivale UB6 7HT

    Single storey (Max 6m deep and Max 3.30m high) rear extension (42 days Prior Notification Process)

    Received 7 Oct, published by the council 12 Oct 2026 Prior approval
  • 263697PALHE Awaiting decision

    51 West Avenue Southall UB1 2AP

    Single storey (Max 6m deep and Max 2.93m high) rear extension (42 days Prior Notification Process)

    Received 6 Oct, published by the council 12 Oct 2026 Prior approval
  • 263670PALHE Awaiting decision

    21 Minterne Avenue Southall UB2 4HN

    Single storey rear extension (max 6m deep and max 3.22m high) (42 Days Prior Approval Notification Process)

    Received 6 Oct, published by the council 12 Oct 2026 Prior approval