1 Mount Stuart Arcade Mount Stuart Square Butetown Cardiff CF10 5EE

This site has had 2 applications since 2026.

• 26/00528/FUL Awaiting decision

  1 Mount Stuart Arcade Mount Stuart Square Butetown Cardiff CF10 5EE

  Conversion of existing commercial space into a two bedroom dwelling. Alterations to the existing shop front and first floor windows.

  Submitted 16 Mar 2026 Full applications

1. 16 Mar 2026

   Received by Cardiff

2. 22 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 11 May 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 heritage and listed building applications in a median of 114 days. More in our guide to how long planning decisions take.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 1 Mount Stuart Arcade Mount Stuart Square Butetown Cardiff CF10 5EE

  26/00528/FUL Submitted 16 Mar 2026 50 yards away

  91% historically approved · decision due ~11 May

  Conversion of existing commercial space into a two bedroom dwelling. Alterations to the existing shop front and first floor windows.

  Awaiting decision Full applications Windows or glazing 11 docs
  Domestic

• Bay Chambers West Bute Street Butetown Cardiff CF10 5BB

  21/00580/MJR Submitted 8 Mar 2021 50 yards away

  DISCHARGE OF CONDITION 14 (FOUL DRAINAGE SCHEME) OF 17/00699/MJR

  Granted Conditions 6 docs

• 16 Mount Stuart Square Butetown Cardiff CF10 5DP

  26/00018/FUL Submitted 7 Jan 2026 50 yards away

  Change of Use of the Second and Third floors from Office (B1) Use to a Dwelling (C3) Use. External works to include the addition of a window to the front elevation, new canopy to the entrance, and roof pitch alterations.

  Refused Full applications Windows or glazing 9 docs
  Domestic

• 20 James Street Butetown Cardiff CF10 5EX

  25/01989/FUL Submitted 27 Aug 2025 50 yards away

  91% historically approved · decision due ~22 Oct

  Change of use from a 'coffee shop' to a 'nail bar' (sui generis).This will include the removal of the commercial kitchen facility and serving bar, along with remodeling of the internal area.

  Awaiting decision Full applications 6 docs

• Unit 2 3 - 11 West Bute Street Butetown Cardiff CF10 5EN

  26/00486/FUL Submitted 11 Mar 2026 50 yards away

  Change of use from class A1 to D1.

  Granted Full applications 7 docs

• 59 Mount Stuart Square Butetown Cardiff CF10 5LR

  26/00775/FUL Submitted 20 Apr 2026 100 yards away

  91% historically approved · decision due ~17 Jun

  Change of use from offices (B1a) to residential dwelling.

  Awaiting decision Full applications 13 docs
  Domestic

• 26/00052/LBC Granted

  Rainbow Bargain Ltd Bangor Street Roath Cardiff CF24 3LQ

  Repair, alteration, and extension, together with external landscaping and change-of-use to a flexible mixed use development.

  Received 12 Jan, published by the council 22 Jul 2026 Heritage and listed buildings
• 26/00661/LBC Granted

  Cardiff University King Edward Vii Avenue Cathays Cardiff CF10 3NS

  Drill four number 100mm ducts through the external side wall within the plant room, below ground level to take electric cabling to supply 10 electric vehicle charging stations as part of the green infrastructure works.

  Received 31 Mar, published by the council 22 Jul 2026 Heritage and listed buildings
• 25/01652/LBC Granted

  City Hall Gorsedd Gardens Road Cathays Cardiff CF10 3ND

  Changes to the Phase 1 replacement heating and ventilation systems at Cardiff City Hall granted under 24/02796/LBC.

  Received 15 Jul, published by the council 6 Aug 2026 Heritage and listed buildings
• 26/00900/LBC Granted

  The Court Special School Station Road Llanishen Cardiff CF14 5UX

  Proposed replacement fencing

  Received 6 May, published by the council 22 Jul 2026 Heritage and listed buildings
• 26/01804/LBC Awaiting decision

  St Fagans Castle Crofft-y-genau Road St Fagans Cardiff

  Repair and partial rebuilding of a chimney and repair to window to one of the Castle`s rear outbuildings

  Received 24 Aug, published by the council 29 Aug 2026 Heritage and listed buildings