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Planning application

54 Cowper Road Hanwell W7 1EH

Granted Old Oak and Park Royal Development Corporation 260246HH Householder

Works: Extension Demolition 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 (following demolition of existing conservatory)

As published by the council, reference 260246HH

Application record

Reference
260246HH
Type
Householder
Status
Granted with Conditions
Decision
Granted As published: Grant with Conditions
Received
23 Jan 2026
Validated
23 Jan 2026
Decided
20 Mar 2026
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.

  • 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
  • 254291PALHE Refused

    54 Cowper Road Hanwell W7 1EH

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

    Decided 17 Dec 2025 Prior approval

Timeline

Dates from the published record

  1. 23 Jan 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 20 Mar 2026

    Decision issued: Grant with Conditions

  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

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

10 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 grant of permission means

Old Oak and Park Royal Development Corporation granted permission on 20 March 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 0.3 miles

  • 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

    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

    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

  • 260566HH Refused

    1 Benham Road Hanwell W7 1AQ

    Part single part two storey rear extension; insertion of additional window to side elevation first floor level; and front porch extension (following demolition of existing conservatory)

    Received 11 Feb, published by the council 3 Aug 2026 Householder
  • 262878HH Granted

    167 Murray Road Ealing W5 4DD

    Single storey rear extension (following demolition of existing rear addition); removal of chimney breast; and alterations to the fenestration

    Received 23 Jul, published by the council 30 Aug 2026 Householder
  • 262906HH Granted

    6 Milford Road West Ealing W13 9HZ

    Single storey rear extension (following demolition of existing rear addition)

    Received 27 Jul, published by the council 10 Sep 2026 Householder
  • 262954HH Refused

    6 Gosling Close Greenford UB6 9UE

    Single storey extension and internal alterations

    Received 30 Jul, published by the council 10 Sep 2026 Householder
  • 262963HH Granted

    14 Winchester Street Acton W3 8PA

    Single storey side/rear wraparound extension

    Received 31 Jul, published by the council 21 Sep 2026 Householder