17 St Gowan Avenue Heath Cardiff CF14 4JX

1. 10 May 2021

   Received by Cardiff

2. 23 Jun 2021

   Decision issued: Permission Granted

3. 13 Aug 2026

   Added to PlanIndex

Cardiff granted permission on 23 June 2021, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. 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.

• 24 Ton-yr-ywen Avenue Heath Cardiff CF14 4PA

  26/00081/HSE Submitted 16 Jan 2026 100 yards away

  Demolition of existing single storey structrues and proposed single storey rear extension.

  Granted Householder Extension Demolition 7 docs
  Small domestic

• 5 Heathway Heath Cardiff CF14 4JQ

  21/00657/DCH Submitted 16 Mar 2021 100 yards away

  THE DEMOLITION OF EXISTING CONSERVATORY AND SINGLE STOREY REAR AND SIDE EXTENSIONS AND CONSTRUCTION OF A SINGLE STOREY EXTENSION IN LIEU

  Granted Householder Extension Demolition 16 docs
  Small domestic

• 94 Heathwood Road Heath Cardiff CF14 4BP

  21/00801/DCH Submitted 30 Mar 2021 100 yards away

  REAR SINGLE STOREY EXTENSION

  Granted Householder Extension 11 docs
  Small domestic

• 72 Heathwood Road Heath Cardiff CF14 4BP

  22/00506/MNR Submitted 8 Mar 2022 100 yards away

  DEMOLITION OF EXISTING PRIVATE DWELLING PROPERTY, GARAGE, OUTBUILDINGS, AND SWIMMIMG POOL AND CONSTRUCTION OF 4 NO SEMI DETACHED DWELLINGS WITH FRONT GARDENS AND OFF ROAD PARKING, AND PRIVATE REAR GARDENS

  Granted Full applications Demolition 24 docs
  Domestic

• 38 Ton-yr-ywen Avenue Heath Cardiff CF14 4PA

  25/01654/CLPUD Submitted 16 Jul 2025 100 yards away

  Demolition of existing rear extension and erection of new single storey rear extension

  Granted Lawful development Extension Demolition 5 docs
  Small domestic

• 3 Ton-Yr-Ywen Avenue Heath Cardiff CF14 4NY

  21/01736/DCH Submitted 12 Jul 2021 150 yards away

  DEMOLITION OF EXISTING GARAGE AND REAR LEAN-TO EXTENSION AND THE ERECTION OF A SINGLE STOREY EXTENSION TO THE SIDE AND REAR AND A NEW REAR DORMER EXTENSION WITH MINOR ALTERATIONS

  Granted Householder Extension Loft or dormer +1 6 docs
  Small domestic

• 26/02112/HSE Awaiting decision

  7 Penydarren Drive Whitchurch Cardiff CF14 2TT

  Proposed Single Storey Side/Rear Extension with Garage Conversion

  Received 7 Oct, published by the council 9 Oct 2026 Householder
• 26/02113/HSE Awaiting decision

  78 Mill Road Lisvane Cardiff CF14 0UG

  PROPOSED FIRST FLOOR EXTENSION AT SIDE OF HOUSE

  Received 7 Oct, published by the council 9 Oct 2026 Householder
• 26/01702/HSE Granted

  45 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

  Two storey and single storey rear extensions (development similar to that as approved under 25/00533/HSE with additional first floor part).

  Received 10 Aug, published by the council 24 Aug 2026 Householder
• 26/02104/HSE Awaiting decision

  15 Brynteg Rhiwbina Cardiff CF14 6TS

  Proposed single storey rear extension to the existing semi-detached dwelling including minor internal and external modifications

  Received 6 Oct, published by the council 9 Oct 2026 Householder
• 26/02102/HSE Awaiting decision

  49 Kimberley Road Penylan Cardiff CF23 5DL

  Proposed ground floor rear side return extension

  Received 6 Oct, published by the council 9 Oct 2026 Householder