126 Byron Avenue, Hounslow, TW4 6LY

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

• P/2026/1783 Granted

  126 Byron Avenue, Hounslow, TW4 6LY

  Certificate of lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Decided 10 Aug 2026 Lawful development

1. 16 Mar 2026

   Received by Hounslow

2. 31 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 May 2026

   Decision issued: REFUSED

4. 12 Aug 2026

   Added to PlanIndex

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.

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.

• 126 Byron Avenue, Hounslow, TW4 6LY

  P/2026/1783 Submitted 16 Jun 2026 50 yards away

  Certificate of lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Granted Lawful development 10 docs

• 109 Berkeley Avenue, Hounslow, TW4 6LD

  P/2025/3404 Submitted 12 Nov 2025 50 yards away

  Certificate of lawfulness for the existing single storey rear extension and detached outbuilding in the rear garden.

  Granted Lawful development Extension 13 docs
  Small domestic

• 111 Byron Avenue, Hounslow, TW4 6LU

  P/2026/1726 Submitted 10 Jun 2026 50 yards away

  Certificate of lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Granted Lawful development 7 docs

• 111 Byron Avenue, Hounslow, TW4 6LU

  PA/2026/1712 Submitted 9 Jun 2026 50 yards away

  Ground floor rear extension 6.0 metres deep, maximum height of 3.150 metres, 3.000 metres high to the eaves

  Granted Prior approval Extension 9 docs

• 107 Chaucer Avenue, Hounslow, TW4 6NA

  P/2025/2556 Submitted 20 Aug 2025 100 yards away

  Certificate

  Withdrawn Lawful development 2 docs

• 56 Meadowbank Gardens, Hounslow, TW5 9TU

  PA/2026/2290 Submitted 6 Aug 2026 100 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.10 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 5 docs

• P/2026/2304 Granted

  18 Clifden Road, Brentford, TW8 0PF

  Erection of a side and rear extensions.

  Received 7 Aug, published by the council 12 Aug 2026 Householder
• P/2026/2804 Awaiting decision

  128 Durham Road, Feltham, TW14 0AE

  Erection of a detached outbuilding in the rear garden following demolition of existing shed.

  Received 2 Oct, published by the council 9 Oct 2026 Householder
• P/2026/2301 Granted

  4 Glebe Street, Chiswick, W4 2BG

  Erection of a front side and rear side infill extensions with alterations to the rear elevation, a rear side first floor infill extension with replacement of windows to the rear elevation and installation of new rooflights to the existing ground floor infill extension of the house

  Received 7 Aug, published by the council 16 Aug 2026 Householder
• P/2026/1167 Granted

  20 Firs Drive, Hounslow, TW5 9TD

  Erection of part one, part two-storey side extension following demolition of existing garage and part one, part two-storey rear extension. Raising of roof ridge, erection of rear roof extensions, and installation of one front roof window.

  Received 15 Apr, published by the council 26 Jul 2026 Householder
• P/2026/2025 Granted

  1 Kneller Gardens, Isleworth, TW7 7NP

  Erection of a single storey rear and first floor side extension incorporating the conversion of the existing garage to a habitable room

  Received 8 Jul, published by the council 26 Jul 2026 Householder