57 Ty-Mawr Road Rumney Cardiff CF3 3BS

1. 6 Jan 2010

   Received by Cardiff

2. 7 Jan 2010

   Validated

   Checked as complete and ready for consideration.

3. 7 Jan 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.

• 32 Tyr-y-sarn Road Rumney Cardiff CF3 3BD

  23/00527/HSE Submitted 8 Mar 2023 100 yards away

  Extensions and Alterations to existing bungalow to create a two-storey dwellinghouse.

  Granted Householder Extension 6 docs
  Domestic

• 18 Tyr-y-sarn Road Rumney Cardiff CF3 3BD

  22/02717/HSE Submitted 14 Nov 2022 100 yards away

  Single Storey Rear Extension and Loft Conversion to include Dormer Extension

  Granted Householder Extension Loft or dormer 11 docs
  Small domestic

• 9 Tymawr Close Rumney Cardiff CF3 3BU

  26/01793/HSE Submitted 24 Aug 2026 100 yards away

  93% historically approved · decision due ~19 Oct

  Proposed two storey side and rear extension, single storey rear extension, alterations to roof including attic conversion and rear dormer

  Awaiting decision Householder Extension Loft or dormer 6 docs
  Small domestic

• 54 Ty-mawr Road Rumney Cardiff CF3 3BT

  23/00336/HSE Submitted 14 Feb 2023 100 yards away

  Erection of single storey rear extension to replace existing extension and two storey side and rear wrap-around extension with associated alterations

  Granted Householder Extension 13 docs
  Small domestic

• 4 Quarry Dale Rumney Cardiff CF3 3BR

  25/01516/HSE Submitted 30 Jun 2025 200 yards away

  Conversion of existing garage into granny annexe ancillary to the dwelling and change of existing flat roof to pitch roof .

  Granted Householder 5 docs
  Domestic

• 3 Northlands Rumney Cardiff CF3 3AQ

  26/01520/NMA Submitted 22 Jul 2026 200 yards away

  Proposed Non-Material Amendment to Planning Permission 22/00433/DCH- proposed side elevation has been finished with grey cedral cladding. First floor rear and side extension finished in brickwork to match existing plinth and rear garden room. Proposed roof finish altered to slate.

  Granted Amendments Extension 8 docs

• 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