47 - 48 St Mary Street Cathays Cardiff CF10 1AD

1. 28 Jul 2026

   Received by Cardiff

2. 6 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 22 September 2026, 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 85 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.

• 47-48 St Mary Street City Centre Cardiff CF10 1AD

  21/01798/MJR Submitted 19 Jul 2021 50 yards away

  REFURBISHMENT/EXTENSION TO EXISTING COMMERCIAL PREMISE AND CONVERSION OF OFFICE SPACE (CLASS B1) TO CREATE 10 RESIDENTIAL APARTMENTS (CLASS C3) WITH ASSOCIATED ENGINEERING WORKS

  Granted Full applications New dwelling Extension 27 docs

• 47-48 St Mary Street City Centre Cardiff CF10 1AD

  LBC/21/00014/MJR Submitted 19 Jul 2021 50 yards away

  REFURBISHMENT/EXTENSION TO EXISTING COMMERCIAL PREMISE AND CONVERSION OF OFFICE SPACE (CLASS B1) TO CREATE 10 RESIDENTIAL APARTMENTS (CLASS C3) WITH ASSOCIATED ENGINEERING WORKS

  Granted Heritage and listed buildings New dwelling Extension 25 docs

• Atm Site (Nat West) Caroline Street City Centre Cardiff

  A/21/00118/MNR Submitted 23 Jul 2021 50 yards away

  REPLACEMENT ILLUMINATED ATM SIGNAGE TO BE INSTALLED AROUND NEW ATM

  Granted Advertising 10 docs

• Atm Site (Nat West) Caroline Street City Centre

  21/01858/MNR Submitted 23 Jul 2021 50 yards away

  LIKE FOR LIKE REPLACEMENT OF A THROUGH THE WALL ATM

  Granted Full applications 11 docs

• 51 St Mary Street Cathays Cardiff CF10 1AD

  26/02076/ADV Submitted 1 Oct 2026 50 yards away

  98% historically approved · decision due ~26 Nov

  Advertising Display of: 1off Projecting sign, 4off sets of house name signs, 2off Pub logo signs

  Awaiting decision Advertising 6 docs

• 40 - 41 St Mary Street Cathays Cardiff CF10 1AD

  24/02499/FUL Submitted 21 Oct 2024 50 yards away

  External and internal repair and refurbishment of grade II listed building and part refurbishment of shopfront

  Granted Full applications Windows or glazing 14 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