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Planning application

PA/2026/1683

12 Byron Avenue, Hounslow, TW4 6LX

Granted Hounslow Prior Approval Larger Home Extension

Proposal

Ground floor rear extension 6.00 metres deep, maximum height 3.30 metres, 2.90 metres high to the eaves.

As published by the council, reference PA/2026/1683

Timeline

Dates from the published record

  1. 5 Jun 2026

    Received by Hounslow

  2. 17 Jul 2026

    Decision issued: PRIOR APPROVAL DOES NOT COMPLY

  3. 26 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About prior approval applications

How this application type works

Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.

More on prior approval applications in our guide

Nearby applications

Within 500 metres

  • PA/2026/1798 Awaiting decision

    42 Byron Avenue, Hounslow, TW4 6LX

    Ground floor rear extension 6.00 metres deep, maximum height of 3.30 metres, 2.80 metres high to the eaves

    16 Jun 2026 93m away Prior approval
  • P/2026/1425 Awaiting decision

    21A Woodfield Road, Hounslow, TW4 6LL

    Variation of condition 2 (approved plans) to allow the addition of a basement level; minor alterations to window positions and/or sizing on the side elevations and revised balcony design to the rear elevation of planning permission 01227/21A/P4 (P/2023/0657) approved 29/01/2024 for the erection of a three storey block of six flats with cycle storage

    11 May 2026 159m away Conditions
  • P/2024/3305 Granted

    12 Field Close, Hounslow, TW4 6LN

    Lawful Development Certificate for the erection of a rear roof extension with two front roof window to the house.

    3 Oct 2024 193m away Lawful development
  • P/2024/2092 Granted

    Land to the Rear of Rectory Court,Aston Green,Cranford,TW4 7QG

    Details of Condition 11 (Contamination) submitted pursuant to planning permission P/2022/1934 (00928/R/OA/P1) dated 16/11/2022 for the erection of four houses with associated landscaping and amenity space.

    26 Jun 2024 209m away Conditions
  • P/2026/0643 Withdrawn

    21A Woodfield Road, Hounslow, TW4 6LL

    Creation of a basement to provide communal gym facilities at the existing building.

    24 Feb 2026 211m away Full applications
  • P/2026/1878 Awaiting decision

    21A WOODFIELD ROAD, HOUNSLOW, TW4 6LL

    Details of construction logistics and management plan, preliminary non-intrusive risk assessment, Phase I desk study report and remediation method statement submitted pursuant to conditions 10, 16, 17, and 18 of permission P/2023/0657 dated 29/01/2024 for erection of a three storey block of six flats with cycle storage.

    24 Jun 2026 211m away Conditions

In Hounslow

  • PA/2026/2235 Awaiting decision

    209 Hatton Road, Feltham, TW14 9QY

    Ground floor rear extension 5.00 metres deep, maximum height 3.60 metres, 3.00 metres high to the eaves.

    31 Jul 2026 Prior approval
  • PA/2026/2232 Awaiting decision

    9 Wareham Close, Hounslow, TW3 3PX

    Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.80 metres high to the eaves.

    31 Jul 2026 Prior approval
  • PA/2026/2187 Awaiting decision

    205 Brabazon Road, Hounslow, TW5 9LW

    Ground floor rear extension 6.00 metres deep, maximum height of 3.40 metres, 2.90 metres high to the eaves

    28 Jul 2026 Prior approval
  • PA/2026/2172 Awaiting decision

    65 Mornington Crescent, Hounslow, TW5 9ST

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

    27 Jul 2026 Prior approval
  • PA/2026/1749 Refused

    25 Grosvenor Road, Hounslow, TW3 3ER

    Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.90 metres high to the eaves.

    12 Jun 2026 Prior approval