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Planning application

18 Cardington Square, Hounslow, TW4 6AH

Granted Hounslow P/2026/1410 Householder Applications

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

Erection of roof extension and a two storey side and single storey rear extension to the house. Following the demolition of the garage.

As published by the council, reference P/2026/1410

Application record

Reference
P/2026/1410
Type
Householder Applications
Status
Decided: APPROVED
Decision
APPROVED
Received
11 May 2026
Validated
18 May 2026
Decided
20 Aug 2026
Ward
Hounslow West
Postcode
TW4 6AH

Site history

Applications at this address on the Hounslow register

This site has had 3 applications since 2026: 3 approved, 0 refused.

  • PA/2026/0696 Granted

    18 Cardington Square, Hounslow, TW4 6AH

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

    Decided 31 Mar 2026 Prior approval
  • P/2026/0695 Granted

    18 Cardington Square, Hounslow, TW4 6AH

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

    Decided 20 Apr 2026 Lawful development

Timeline

Dates from the published record

  1. 11 May 2026

    Received by Hounslow

  2. 18 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jul 2026

    Added to PlanIndex

  4. 20 Aug 2026

    Decision issued: APPROVED

Documents

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

16 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 grant of permission means

Hounslow granted permission on 20 August 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 500 metres

  • 18 Cardington Square, Hounslow, TW4 6AH

    PA/2026/0696 Submitted 2 Mar 2026 0m 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 9 docs
  • 18 Cardington Square, Hounslow, TW4 6AH

    P/2026/0695 Submitted 2 Mar 2026 0m away

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

    Granted Lawful development Extension Loft or dormer +1 9 docs
  • 16 Cardington Square, Hounslow, TW4 6AH

    P/2026/0692 Submitted 2 Mar 2026 4m 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 4m 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
  • 26 Cardington Square, Hounslow, TW4 6AH

    P/2024/3253 Submitted 28 Sep 2024 33m away

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

    Granted Lawful development Extension Loft or dormer +1 8 docs
  • 148 Cardington Square, Hounslow, TW4 6AL

    P/2025/3681 Submitted 11 Dec 2025 114m away

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

    Refused Householder Extension 10 docs
    Domestic

In Hounslow

  • P/2026/2623 Awaiting decision

    8 Lonsdale Road,Chiswick,W4 1ND

    Installation of external condenser at first floor level.

    15 Sep 2026 Householder
  • P/2026/2125 Granted

    36 Midsummer Avenue, Hounslow, TW4 5BB

    Erection of a single storey rear extension and a single storey side extension following the demolition of the existing side garage.

    21 Jul 2026 Householder
  • P/2026/2615 Awaiting decision

    48 Meadow Waye, Hounslow, TW5 9EZ

    Erection of a part first floor rear extension.

    14 Sep 2026 Householder
  • P/2026/2619 Awaiting decision

    12 Letchworth Avenue, Feltham, TW14 9RY

    Erection of a single storey rear extension.

    14 Sep 2026 Householder
  • P/2026/2600 Awaiting decision

    310 Lionel Road North, Brentford, TW8 9QX

    Erection of a rear roof extension.

    14 Sep 2026 Householder