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. 22 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 22 October 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Cardiff took a median of 56 days over the applications it decided in the last year.

This application is with Cardiff for determination, against a statutory target of eight weeks. Over the last year Cardiff decided full applications in a median of 86 days. More in our guide to how long planning decisions take.

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.

• Land On The North Side Thesiger Street Cathays Cardiff

  26/01756/FUL Submitted 18 Aug 2026 23m away

  91% historically approved · decision due ~13 Oct

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

  Awaiting decision Full applications 20 docs

• 118 COBURN STREET, CATHAYS, CARDIFF, CF24 4BT

  10/01196/DCH Submitted 1 Jul 2010 25m away

  GROUND AND FIRST FLOOR EXTENSION AND REAR DORMER

  Granted Householder Extension Loft or dormer 7 docs
  Domestic

• 92 Coburn Street Cathays Cardiff CF24 4BT

  21/01174/DCH Submitted 10 May 2021 29m away

  DEMOLITION OF EXISTING REAR EXTENSION AND CONSTRUCTION OF NEW SINGLE STOREY REAR EXTENSION AND REAR DORMER

  Granted Householder Extension Loft or dormer +1 6 docs
  Small domestic

• 90 Coburn Street Cathays Cardiff CF24 4BT

  26/00102/CLPUD Submitted 20 Jan 2026 31m away

  Rear and side dormer roof extensions.

  Granted Lawful development Extension Loft or dormer 8 docs

• 82 Coburn Street Cathays Cardiff CF24 4BT

  21/00644/MNR Submitted 15 Mar 2021 38m 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

• 76 Coburn Street Cathays Cardiff CF24 4BT

  21/01295/MNR Submitted 20 May 2021 49m 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

• 26/01908/FUL Awaiting decision

  9 St Peter's Street Roath Cardiff CF24 3BA

  Demolition of existing two storey side extension and replacement with new remodelled two storey extension

  10 Sep 2026 Full applications
• 26/01395/FUL Granted

  190 Aberporth Road Llandaff North Cardiff CF14 2PS

  Change of use from c3 dwelling house to c4 6 bed HMO.

  6 Jul 2026 Full applications
• 26/01033/FUL Granted

  Llanmaes Estate Office Michaelston Road St Fagans Cardiff CF5 6DU

  Change of use to a physiotherapy clinic

  19 May 2026 Full applications
• 26/01706/FUL Granted

  Second Floor 2 Kingsway Cathays Cardiff CF10 3FD

  Install 4 grilles to the rear of the building

  11 Aug 2026 Full applications
• 26/01708/FUL Granted

  Ground Floor 37 Whitchurch Road Gabalfa Cardiff CF14 3JN

  CHANGE OF USE FROM TANNING SALON TO PROFFESIONAL ADVICE/SOLICITOR SERIVCES

  11 Aug 2026 Full applications