4 Clos-Y-Broch Thornhill Cardiff CF14 9EZ

1. 1 Oct 2009

   Received by Cardiff

2. 19 Oct 2009

   Validated

   Checked as complete and ready for consideration.

3. 19 Oct 2009

   Decision issued: Not Permitted Development

4. 6 Oct 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.

• 61 Heol-y-cadno Thornhill Cardiff CF14 9EW

  22/03065/HSE Submitted 29 Dec 2022 50 yards away

  Single Storey Rear Extension

  Granted Householder Extension 10 docs
  Small domestic

• 56 Heol-y-cadno Thornhill Cardiff CF14 9DY

  25/02757/WTTPFP Submitted 25 Nov 2025 100 yards away

  Ash tree to be felled within 6 months, oak tree to be cut back. Full report attached from third party arborist

  Granted Trees 7 docs

• 33 Havenwood Drive Thornhill Cardiff CF14 9HX

  21/01178/DCH Submitted 10 May 2021 200 yards away

  SINGLE STOREY REAR EXTENSION

  Granted Householder Extension 4 docs
  Small domestic

• 13 Clos-Y-Wiwer Thornhill Cardiff CF14 9ET

  22/01174/DCH Submitted 1 Jun 2022 200 yards away

  PROPOSED NEW SINGLE STOREY SIDE EXTENSION

  Granted Householder Extension 10 docs
  Small domestic

• 23 Clos Y Dryw Thornhill Cardiff CF14 9JG

  21/01215/DCH Submitted 12 May 2021 200 yards away

  RETROSPECTIVE APPLICATION FOR A TWO STOREY SIDE EXTENSION AND SINGLE STOREY REAR EXTENSION

  Granted Householder Extension 14 docs
  Small domestic

• 29 Havenwood Drive Thornhill Cardiff CF14 9HX

  21/00962/DCH Submitted 19 Apr 2021 250 yards away

  DEMOLITION OF EXISTING CONSERVATORY, SINGLE STOREY REAR EXTENSIONS AND FIRST FLOOR EXTENSION ABOVE GARAGE WITH ATTIC CONVERSION ABOVE

  Granted Householder Extension Loft or dormer +1 6 docs
  Small 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