29 Llanon Road Llanishen Cardiff CF14 5AG

1. 18 Dec 2009

   Received by Cardiff

2. 21 Dec 2009

   Validated

   Checked as complete and ready for consideration.

3. 21 Dec 2009

   Decision issued: Not Permitted Development

4. 22 Sep 2026

   Added to PlanIndex

Cardiff refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 3 Gilwern Crescent Llanishen Cardiff CF14 5AL

  26/01620/HSE Submitted 31 Jul 2026 100 yards away

  93% historically approved · decision due ~25 Sep

  Two storey side extension, loft conversion and porch to provide additional living space and independent annex for disabled living

  Awaiting decision Householder Extension Loft or dormer 5 docs
  Small domestic

• 44 Llanon Road Llanishen Cardiff CF14 5AH

  26/00405/HSE Submitted 26 Feb 2026 150 yards away

  Single storey rear extension with minor external alterations

  Granted Householder Extension 7 docs
  Small domestic

• 40 Garrick Drive Thornhill Cardiff CF14 9BG

  26/00952/HSE Submitted 12 May 2026 150 yards away

  Two storey side extension to create 'granny' style annex.

  Granted Householder Extension 7 docs
  Domestic

• 2 Llanon Road, Llanishen, Cardiff

  03/01250/N Submitted 29 May 2003 150 yards away

  2 STOREY EXTENSION INCORPORATING GARAGE AND PORCH

  Granted Householder Extension
  Small domestic

• 11 Llanon Road Llanishen Cardiff CF14 5AF

  26/01433/HSE Submitted 10 Jul 2026 150 yards away

  Rear dormer roof extension.

  Granted Householder Extension Loft or dormer 9 docs
  Domestic

• 18 Gilwern Crescent Llanishen Cardiff CF14 5AN

  24/02836/HSE Submitted 4 Dec 2024 200 yards away

  Installation of an Air Source Heat Pump to the front of the property.

  Granted Householder 12 docs
  Domestic

• 26/01777/PRAP Granted

  Tredegarville Primary School Caretakers House Newport Road Lane Adamsdown Cardiff CF24 0JT

  Demolition of two-storey Caretakers house.

  Received 17 Aug, published by the council 29 Aug 2026 Prior approval
• 26/01714/PRAP Refused

  Land At The Big Yellow Storage Company 65 Penarth Road Butetown Cardiff CF10 5DL

  Monopole and equipment cabinets to be installed

  Received 11 Aug, published by the council 24 Aug 2026 Prior approval
• 26/02037/PRAP Awaiting decision

  GRASS VERGE OFF DE CLARE DRIVE, RADYR, RADYR AND MORGANSTOWN, CARDIFF, CF15 8AA

  Proposed installation of a 17.5m high monopole accommodating 6No antennas, 1No transmission dish and ancillary development. The proposal also involves the installation of 2No cabinets and 1No meter cabinet and ancillary equipment thereto.

  Received 24 Sep, published by the council 1 Oct 2026 Prior approval
• 26/01678/PRAP Granted

  Welsh Water Radyr Res. Olo Site Restways Close Fairwater Cardiff CF5 2SE

  Removal of 1 no. equipment cabinet and installation of 1 no. generator cabin, 2 no. equipment cabinet and ancillary works thereto

  Received 6 Aug, published by the council 24 Aug 2026 Prior approval
• 26/01659/PRAP Decided

  Land North Of The M4 Pantmawr Rhiwbina Cardiff CF14 9UG

  24/7 telecommunications cell site

  Received 5 Aug, published by the council 17 Aug 2026 Prior approval