74-76 HIBERNIA ROAD, HOUNSLOW, TW3 3RP

1. 24 May 2021

   Received by Hounslow

2. 17 Jun 2021

   Validated

   Checked as complete and ready for consideration.

3. 12 Aug 2021

   Decision issued: GRANTED (FULL PLANNING PERMISSION NOT REQUIRED)

4. 16 Aug 2026

   Added to PlanIndex

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.

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

• 80 Hibernia Road, Hounslow, TW3 3RP

  P/2026/0892 Submitted 18 Mar 2026 17m away

  65% historically approved · decision due ~13 May

  Conversion of existing dwelling to two self-contained flats with car parking, amenity space, cycle and refuse storage.

  Awaiting decision Full applications New dwelling 13 docs
  Domestic

• 1 Albert Road, Hounslow, TW3 3RW

  P/2025/2963 Submitted 3 Oct 2025 68m away

  Conversion of the existing house into two self-contained units with associated amenity space, cycle and refuse storage, and two off-street parking spaces with EV charging provision

  Granted Full applications 11 docs

• 13 MAUVEINE GARDENS, HOUNSLOW, TW3 3RX

  P/2019/3788 Submitted 21 Oct 2019 123m away

  Erection of a single storey rear extension to the house

  Granted Householder Extension 4 docs
  Small domestic

• 17 Mauveine Gardens, Hounslow, TW3 3RX

  P/2026/1578 Submitted 27 May 2026 140m away

  Single storey rear extension, conversion of attached garage to habitable room

  Granted Householder Extension 8 docs
  Small domestic

• 24 and 24A Hibernia Road, Hounslow, TW3 3RY

  P/2025/3461 Submitted 17 Nov 2025 142m away

  Certificate of lawfulness for the existing use of two self contained units.

  Granted Lawful development 6 docs

• 108 Hibernia Road, Hounslow, TW3 3RN

  P/2024/3644 Submitted 1 Nov 2024 149m away

  Erection of two rear dormers and hip to gable conversion with an upper floor side window and two rear rooflights to the residential unit (Class C3) on the first and attic floors.

  Granted Full applications Loft or dormer Windows or glazing 25 docs

• P/2026/2033 Granted

  3 Benedict Drive, Feltham, TW14 8JH

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

  8 Jul 2026 Lawful development
• P/2026/2027 Granted

  115 Northumberland Crescent, Feltham, TW14 9SP

  Certificate of lawfulness for the proposed erection of a rear roof extension and windows to the front of the house.

  8 Jul 2026 Lawful development
• P/2026/2009 Granted

  3 Brainton Avenue, Feltham, TW14 0AZ

  Certificate of lawfulness for the proposed erection of a rear roof extension and Juliette balcony with front roof windows to the house.

  7 Jul 2026 Lawful development
• P/2026/2014 Granted

  82 Sussex Avenue, Isleworth, TW7 6LB

  Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.

  7 Jul 2026 Lawful development
• P/2026/2473 Awaiting decision

  16 Somerset Waye, Hounslow, TW5 9HG

  Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.

  1 Sep 2026 Lawful development