Planning application
26/00775/FUL
59 Mount Stuart Square Butetown Cardiff CF10 5LR
Proposal
Change of use from offices (B1a) to residential dwelling.
As published by the council, reference 26/00775/FUL
Timeline
Dates from the published record
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20 Apr 2026
Received by Cardiff
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22 Apr 2026
Validated
Checked as complete and ready for consideration.
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22 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Cardiff for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
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26/00599/LBC Granted
The Exchange Building Mount Stuart Square Butetown Cardiff CF10 5EB
Careful removal of northwestern chimney stack, including a section of the adjoining gable wall and associated dressed stone detailing to the north elevation for a period of up to five years, including secure storage of masonry to allow for future re-erection.
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26/00529/LBC 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.
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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.
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25/02596/FUL Granted
Cardiff Bay Chiropractic Ltd 36 West Bute Street Butetown Cardiff CF10 5LH
Change of use to B1 Office Space.
-
26/00486/FUL Granted
Unit 2 3 - 11 West Bute Street Butetown Cardiff CF10 5EN
Change of use from class A1 to D1.
-
26/00018/FUL Refused
16 Mount Stuart Square Butetown Cardiff CF10 5DP
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.
Other full applications applications
In Cardiff
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26/01029/FUL Granted
78 Cae Glas Road Rumney Cardiff CF3 3JW
Single storey rear extensions and change of use to 2 independent dwellings.
-
26/00451/FUL Granted
48 Longcross Street Adamsdown Cardiff CF24 0JW
Retrospective change of use from class C3 dwellinghouse to C4 House in Multiple Occupation (HMO).
-
26/01224/FUL Granted
Unit 10 Eastgate Business Park Wentloog Avenue Trowbridge Cardiff CF3 2EY
Retrospective application for the installation of an air condenser unit and associated ductwork.
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26/01010/FUL Refused
136 Tewkesbury Street Cathays Cardiff CF24 4QS
Conversion to class C4 HMO with ground floor rear/side extension.
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26/00310/FUL Granted
1A Egerton Street Canton Cardiff CF5 1RF
Demolition of commercial retail warehouse and construction of 4no. dwellings (2no. semi-detached pairs).