13 Northfield Road, Hounslow, TW5 9JQ

1. 13 Aug 2025

   Received by Hounslow

2. 22 Sep 2025

   Decision issued: PRIOR APPROVAL IS NOT REQUIRED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 22 September 2025, 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.

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.

• 17 NORTHFIELD ROAD, HOUNSLOW, TW5 9JQ

  P/2023/0723 Submitted 7 Mar 2023 50 yards away

  Erection of single storey rear extension and rear roof extension with front & rear roof windows to the house.

  Refused Householder Extension Windows or glazing 9 docs
  Small domestic

• 196 Cranford Lane, Hounslow, TW5 9JD

  P/2025/3207 Submitted 23 Oct 2025 100 yards 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

• 149 CRANFORD LANE, HOUNSLOW, TW5 9JA

  P/2019/3914 Submitted 29 Oct 2019 100 yards away

  Erection of a single storey side extension

  Granted Householder Extension 9 docs
  Small domestic

• 164 NORTHFIELD ROAD, HOUNSLOW, TW5 9JG

  PA/2021/3615 Submitted 7 Sep 2021 100 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 3.20 metres, 2.82 metres high to the eaves

  Granted Prior approval Extension 8 docs

• 41 Northfield Road, Hounslow, TW5 9JQ

  P/2026/1817 Submitted 18 Jun 2026 100 yards away

  100% historically approved · decision due ~12 Oct

  Certificate of lawfulness for the proposed erection of a single storey rear extension incorporating use to a habitable room.

  Awaiting decision Lawful development Extension 5 docs
  Small domestic

• 41 Northfield Road, Hounslow, TW5 9JQ

  P/2026/2670 Submitted 21 Sep 2026 100 yards away

  75% historically approved · decision due ~25 Nov

  Erection of a single storey rear extension.

  Awaiting decision Householder Extension 8 docs
  Small domestic

• 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