55 Coburn Street Cathays Cardiff CF24 4BR

1. 26 Aug 2025

   Received by Cardiff

2. 27 Aug 2025

   Validated

   Checked as complete and ready for consideration.

3. 2 Oct 2025

   Decision issued: Permission Granted

4. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 2 October 2025, 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 76 Coburn Street Cathays Cardiff CF24 4BT

  21/01295/MNR Submitted 20 May 2021 50 yards away

  SINGLE STOREY REAR EXTENSION, DEMOLITION AND REBUILD OF EXISTING FIRST FLOOR EXTENSION, LOFT CONVERSION AND CONSTRUCTION OF REAR DORMER. CHANGE OF USE C3 TO C4 HOUSE IN MULTIPLE OCCUPATION

  Refused Full applications Extension Loft or dormer +1 15 docs
  Small domestic

• 70 Thesiger Street Cathays Cardiff CF24 4BP

  23/02046/FUL Submitted 1 Sep 2023 50 yards away

  Demolition of existing derelict dwelling and erection of new C4 House in Multiple Occupation

  Granted Full applications Demolition 15 docs
  Domestic

• 82 Coburn Street Cathays Cardiff CF24 4BT

  21/00644/MNR Submitted 15 Mar 2021 50 yards away

  SINGLE STOREY REAR EXTENSION, DEMOLITION AND REBUILD OF EXISTING FIRST FLOOR EXTENSION, LOFT CONVERSION AND CONSTRUCTION OF REAR DORMER. CHANGE OF USE C3 TO C4 HOUSE IN MULTIPLE OCCUPATION

  Refused Full applications Extension Loft or dormer +1 15 docs
  Small domestic

• 68 Coburn Street Cathays Cardiff CF24 4BS

  24/02372/CLEUD Submitted 4 Oct 2024 50 yards away

  Large sui generis house

  Granted Lawful development 7 docs

• 66 Coburn Street Cathays Cardiff CF24 4BS

  25/01668/FUL Submitted 17 Jul 2025 50 yards away

  Retention of Change of Use from Class C4 House in Multiple Occupation to large Sui Generis House in Multiple Occupation.

  Withdrawn Full applications 8 docs

• Land On The North Side Thesiger Street Cathays Cardiff

  26/01756/FUL Submitted 18 Aug 2026 50 yards away

  90% historically approved · decision due ~13 Oct

  Construction of new HMO building and storage unit on existing storage yard.

  Awaiting decision Full applications 21 docs

• 26/01337/FUL Granted

  37 Wyeverne Road Cathays Cardiff CF24 4BG

  Extensions and alterations and change of use from dwelling (C3) to House in Multiple Occupation (C4) (HMO).

  Received 26 Jun, published by the council 22 Jul 2026 Full applications
• 26/01728/FUL Granted

  Unit 7b Cardiff Industrial Park Pennine Close Llanishen Cardiff CF14 5DN

  Installation of 5 no. external air source heat pump units

  Received 13 Aug, published by the council 24 Aug 2026 Full applications
• 26/01729/FUL Granted

  Unit 7b Cardiff Industrial Park Pennine Close Llanishen Cardiff CF14 5DN

  Replacement roller shutter.

  Received 13 Aug, published by the council 24 Aug 2026 Full applications
• 26/01216/FUL Granted

  4 Callaghan Square Butetown Cardiff CF10 5BT

  Internal and external alterations to an existing office building at ground floor and part first floor

  Received 12 Jun, published by the council 22 Jul 2026 Full applications
• 26/02099/FUL Awaiting decision

  20 Janet Street Splott Cardiff CF24 2BD

  Proposed conversion of dwelling to form two flats

  Received 5 Oct, published by the council 9 Oct 2026 Full applications