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Planning application

20 Parkwood Road, Isleworth, TW7 5HA

Refused Hounslow P/2025/3768 Householder Applications

Works: Extension Windows or glazing 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

Retrospective application for the erection of a single storey rear infill extension and the installation of a window to the front elevation.

As published by the council, reference P/2025/3768

Application record

Reference
P/2025/3768
Type
Householder Applications
Status
Decided: REFUSED
Decision
REFUSED
Received
19 Dec 2025
Validated
19 Dec 2025
Decided
13 Feb 2026
Ward
Osterley & Spring Grove
Postcode
TW7 5HA

Timeline

Dates from the published record

  1. 19 Dec 2025

    Received by Hounslow

  2. 13 Feb 2026

    Decision issued: REFUSED

  3. 12 Aug 2026

    Added to PlanIndex

Documents

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

7 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 documents

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 20 Parkwood Road, Isleworth, TW7 5HA

    P/2026/2445 Submitted 26 Aug 2026 0m away

    76% historically approved · decision due ~21 Oct

    Revised single storey rear infill extension, installation of drainage channel adjacent to the front boundary, and reduction in height of front gate and piers.

    Awaiting decision Householder Extension 9 docs
    Small domestic

  • 22 Parkwood Road, Isleworth, TW7 5HA

    P/2025/2749 Submitted 11 Sep 2025 11m away

    Erection of a single storey rear extension and existing garage partial conversion into habitable space.

    Granted Householder Extension 22 docs
    Small domestic

  • 1 Parkwood Road, Isleworth, TW7 5HE

    P/2026/0769 Submitted 6 Mar 2026 42m away

    Erection of a single-storey rear and side extension.

    Granted Householder Extension 15 docs
    Small domestic

  • 1 Parkwood Road, Isleworth, TW7 5HE

    P/2026/0699 Submitted 2 Mar 2026 42m away

    Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows to the house.

    Granted Lawful development Extension Windows or glazing 10 docs

  • 6 Harewood Road, Isleworth, TW7 5HB

    P/2026/0159 Submitted 19 Jan 2026 48m away

    Certificate of lawfulness for the proposed use of the house (Use Class C3(a)) to a single household living together and receiving care (Use Class C3(b))

    Granted Lawful development 7 docs

  • 6 Harewood Road, Isleworth, TW7 5HB

    P/2025/2860 Submitted 23 Sep 2025 48m away

    Certificate of lawfulness for the proposed use of the house (Use Class C3(a)) as a Children's Care Home (Use Class C2).

    Granted Lawful development 8 docs

In Hounslow

  • P/2026/2047 Granted

    9 Borough Road, Isleworth, TW7 5DY

    Erection of a single storey rear extension.

    10 Jul 2026 Householder
  • P/2026/1858 Granted

    8 CONNAUGHT AVENUE, HOUNSLOW, TW4 5BW

    Erection of single storey front extension to the outbuilding for used as storage, office and a Gym. Following part demolition of the outbuilding.

    23 Jun 2026 Householder
  • P/2026/2503 Awaiting decision

    25 Arnold Crescent, Isleworth, TW7 7NS

    Erection of a single storey rear, two storey side extension, and rear roof extension with two front roof windows to the house.

    3 Sep 2026 Householder
  • P/2026/1522 Granted

    4 Camborne Way, Hounslow, TW5 0PW

    Erection of a single storey rear extension and reduction in width of the existing side and rear extension.

    20 May 2026 Householder
  • P/2026/2024 Granted

    20 Hartland Road, Isleworth, TW7 6RH

    Erection of a rear roof extension with windows to the front of the house.

    8 Jul 2026 Householder