154 Countisbury Avenue Llanrumney Cardiff CF3 5RS

1. 17 Dec 2025

   Received by Cardiff

2. 22 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 3 Feb 2026

   Decision issued: Permission Granted

4. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 3 February 2026, 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.

• 6 Weekes Close Llanrumney Cardiff CF3 5RY

  24/01487/HSE Submitted 24 Jun 2024 50 yards away

  Proposed First Floor Annexe Extension

  Refused Householder Extension 6 docs
  Domestic

• 13 Weekes Close Llanrumney Cardiff CF3 5RY

  PD/09/00725/E Submitted 22 Sep 2009 100 yards away

  CONVERT GARAGE INTO A GRANNY ANNEXE/ONE BED BUNGALOW TO BE USED AS A SEPARATE UNIT

  Refused Prior approval

• 69 Elgar Crescent Llanrumney Cardiff CF3 5RW

  21/01561/DCH Submitted 21 Jun 2021 150 yards away

  REMOVAL OF EXISTING BALCONY AND CONSTRUCTION OF FIRST FLOOR EXTENSION AND ASSOCIATED WORKS

  Granted Householder Extension 10 docs
  Domestic

• 74 Elgar Crescent Llanrumney Cardiff CF3 5RU

  26/01579/HSE Submitted 28 Jul 2026 200 yards away

  Hip to gable and rear dormer roof extension.

  Refused Householder Extension Loft or dormer 11 docs
  Domestic

• 150 Countisbury Avenue Llanrumney Cardiff CF3 5RR

  PD/09/00656/E Submitted 2 Sep 2009 200 yards away

  PROPOSED GARAGE

  Refused Prior approval

• 1 Courtenay Close Old St Mellons Cardiff CF3 5UL

  24/02942/WTCA Submitted 13 Dec 2024 300 yards away

  1x Holm Oak tree (land opposite front of house in grass verge) - works to reduce height and roadside branches by up to 3 metres to suitable growth points to help minimise potential storm damage

  Granted Trees 3 docs

• 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