Thornhill Primary School Heol Hir Thornhill Cardiff CF14 9LA

1. 28 Jan 2010

   Received by Cardiff

2. 1 Feb 2010

   Validated

   Checked as complete and ready for consideration.

3. 1 Feb 2010

   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.

• 1 Fairthorn Close Thornhill Cardiff CF14 9FG

  25/02833/HSE Submitted 28 Nov 2025 50 yards away

  Alterations to the front elevation, erection of new boundary walls, new permeable paving extents, new boundary wall to right hand side boundary, new side gate to right hand side of building and landscaping.

  Granted Householder 9 docs
  Small domestic

• 5 Briarmeadow Drive Thornhill Cardiff CF14 9FB

  24/02241/HSE Submitted 19 Sep 2024 50 yards away

  Single storey rear extension and dormer extension.

  Granted Householder Extension Loft or dormer 8 docs
  Small domestic

• 5 Clos-y-ceinach Thornhill Cardiff CF14 9EX

  23/00617/WTTPP Submitted 20 Mar 2023 100 yards away

  T1 Willow - Remove large split and hung up limb from crown, reduce remaining crown by 2 metres. T2 Oak - Crown reduce by 1.5 metres.

  Granted Trees 8 docs

• 12 Fairthorn Close Thornhill Cardiff CF14 9FG

  22/02050/HSE Submitted 1 Sep 2022 100 yards away

  Second storey extension to side and rear single storey extension

  Granted Householder Extension 13 docs
  Small domestic

• 16 Briarmeadow Drive Thornhill Cardiff CF14 9FB

  21/00560/DCH Submitted 5 Mar 2021 150 yards away

  SECOND STOREY FRONT/SIDE EXTENSION

  Refused Householder Extension 12 docs
  Domestic

• 2 Thornwood Close Thornhill Cardiff CF14 9FE

  25/01733/HSE Submitted 25 Jul 2025 150 yards away

  Ground floor side extension and first floor side and front extension with external alterations to the property.

  Granted Householder Extension 20 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