Skip to content
PlanIndex Get alerts
Menu

Planning application

104 Rosemary Avenue, Hounslow, TW4 7JG

Awaiting decision Hounslow PA/2026/2415 Prior Approval Larger Home Extension

Works: Extension

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Ground floor rear extension 6.00 metres deep, maximum height 3.25 metres, 3.00 metres high to the eaves.

As published by the council, reference PA/2026/2415

Application record

Reference
PA/2026/2415
Type
Prior Approval Larger Home Extension
Status
Pending As published: REGISTERED: Under Assessment
Received
24 Aug 2026
Validated
24 Aug 2026
Ward
Hounslow West
Postcode
TW4 7JG

Site history

Applications at this address on the Hounslow register

This site has had 2 applications since 2026: 1 approved, 0 refused.

  • P/2026/1947 Granted

    104 Rosemary Avenue, Hounslow, TW4 7JG

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

    Decided 17 Aug 2026 Lawful development

Timeline

Dates from the published record

  1. 24 Aug 2026

    Received by Hounslow

  2. 26 Aug 2026

    Added to PlanIndex

  3. 5 Sep 2026

    Status changed to REGISTERED: Under Consultation

    Previously REGISTERED: Valid.

  4. 17 Sep 2026

    Status changed to REGISTERED: Under Assessment

    Previously REGISTERED: Under Consultation.

  5. Decision

    Awaiting decision

    Decision expected by 19 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Hounslow took a median of 56 days over the applications it decided in the last year.

Documents

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

3 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided prior approval applications in a median of 39 days. More in our guide to how long planning decisions take.

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

  • 104 Rosemary Avenue, Hounslow, TW4 7JG

    P/2026/1947 Submitted 1 Jul 2026 50 yards away

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

    Granted Lawful development Extension Loft or dormer +1 6 docs

  • 96 ROSEMARY AVENUE, HOUNSLOW, TW4 7JG

    P/2023/0759 Submitted 9 Mar 2023 50 yards away

    Certificate of lawfulness for the continued use of the outbuilding as a self contained dwelling

    Granted Lawful development 12 docs
    Small domestic

  • 81 ROSEMARY AVENUE, HOUNSLOW, TW4 7JQ

    P/2023/0223 Submitted 23 Jan 2023 50 yards away

    Certificate of Lawfulness for erection of rear roof extension including hip to gable conversion with front/side roof windows to the house.

    Withdrawn Lawful development Extension Loft or dormer +1 3 docs

  • 79 ROSEMARY AVENUE, HOUNSLOW, TW4 7JQ

    P/2019/3969 Submitted 31 Oct 2019 50 yards away

    Erection of a two storey side extension and conversion from a single family dwelling into two 1-bed residential units

    Refused Full applications Extension 12 docs
    Domestic

  • 14 Manor Avenue, Hounslow, TW4 7JR

    P/2025/0359 Submitted 5 Feb 2025 100 yards away

    Lawful development certificate existing for the continue use of the outbuilding as a self-contained unit

    Withdrawn Lawful development 3 docs

  • 1 IVANHOE ROAD, HOUNSLOW, TW4 7JH

    P/2021/2221 Submitted 4 Jun 2021 100 yards away

    Erection of a side extension to existing rear roof extension with one front roof window.

    Refused Householder Extension Windows or glazing 7 docs
    Domestic

In Hounslow

  • PA/2026/2437 Refused

    17 Orchard Road, Brentford, TW8 0QX

    Ground floor rear extension 5.51 metres deep, maximum height of 2.80 metres, 2.06 metres high to the eaves

    Received 26 Aug, published by the council 2 Sep 2026 Prior approval
  • PA/2026/2481 Refused

    6 Speart Lane, Hounslow, TW5 9EF

    Ground floor rear extension 8.00 metres deep, maximum height of 3.00 metres, 2.80 metres high to the eaves

    Received 1 Sep, published by the council 5 Sep 2026 Prior approval
  • PA/2026/2768 Awaiting decision

    86 Kneller Gardens, Isleworth, TW7 7NW

    Ground floor rear extension 4.50 metres, maximum height 3.20 metres, 2.70 metres high to the eaves.

    Received 30 Sep, published by the council 6 Oct 2026 Prior approval
  • PA/2026/2393 Granted

    2 Letchworth Avenue, Feltham, TW14 9RY

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

    Received 18 Aug, published by the council 23 Aug 2026 Prior approval
  • PA/2026/2364 Granted

    9 Westbourne Road, Feltham, TW13 4LX

    Ground floor rear extension 4.5 metres deep, maximum height of 2.8 metres, 2.8 metres high to the eaves

    Received 13 Aug, published by the council 23 Aug 2026 Prior approval