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Planning application

148 Cardington Square, Hounslow, TW4 6AL

Refused Hounslow P/2025/3681 Householder Applications

Works: Extension 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

Erection of a part first floor rear extension to the house.

As published by the council, reference P/2025/3681

Application record

Reference
P/2025/3681
Type
Householder Applications
Status
Decided: REFUSED
Decision
REFUSED
Received
11 Dec 2025
Validated
6 Feb 2026
Decided
14 May 2026
Ward
Hounslow West
Postcode
TW4 6AL

Site history

Applications at this address on the Hounslow register

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

  • P/2025/3510 Granted

    148 Cardington Square, Hounslow, TW4 6AL

    Certificate of lawfulness proposed for a hip to gable conversion and erection of a rear roof extension with three front roof windows to the house.

    Decided 20 Jan 2026 Lawful development

Timeline

Dates from the published record

  1. 11 Dec 2025

    Received by Hounslow

  2. 6 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 14 May 2026

    Decision issued: REFUSED

  4. 12 Aug 2026

    Added to PlanIndex

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.

Trade members open them from here.

Open the documents

What this refusal means

Hounslow 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 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 500 metres

  • 148 Cardington Square, Hounslow, TW4 6AL

    P/2025/3510 Submitted 21 Nov 2025 0m away

    Certificate of lawfulness proposed for a hip to gable conversion and erection of a rear roof extension with three front roof windows to the house.

    Granted Lawful development Extension Loft or dormer +1 8 docs

  • 146 Cardington Square, Hounslow, TW4 6AL

    P/2025/0227 Submitted 23 Jan 2025 8m away

    Erection of a front porch extension compromising of a cabin vehicle.

    Withdrawn Householder Extension 10 docs
    Small domestic

  • FLAT GROUND FLOOR 18 HINTON AVENUE, HOUNSLOW, TW4 6AR

    P/2023/0685 Submitted 2 Mar 2023 57m away

    Formation of a vehicular access to the front of the house

    Withdrawn Householder 4 docs
    Domestic

  • 53 Barrack Road, Hounslow, TW4 6AN

    P/2024/2857 Submitted 27 Aug 2024 86m away

    Erection of a single storey rear extension to the house.

    Refused Householder Extension 9 docs
    Small domestic

  • 16 Cardington Square, Hounslow, TW4 6AH

    P/2026/0692 Submitted 2 Mar 2026 110m away

    Certificate of lawfulness for proposed hip-to-gable conversion and rear roof extension with two front roof windows. Erection of outbuilding in rear garden for use as garden storage, office and gym.

    Granted Lawful development Extension Loft or dormer +1 9 docs

  • 16 Cardington Square, Hounslow, TW4 6AH

    PA/2026/0693 Submitted 2 Mar 2026 110m away

    Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.85 metres high to the eaves.

    Granted Prior approval Extension 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