Planning application
25/02530/FUL
53 Harriet Street Cathays Cardiff CF24 4BW
Proposal
Ground and first floor rear extensions, rear dormer roof extension, ground level changes and change of use to class C4 House in Multiple Occupation.
As published by the council, reference 25/02530/FUL
Timeline
Dates from the published record
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3 Nov 2025
Received by Cardiff
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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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26/01126/FUL Awaiting decision
Flat 4 And 5 44 Harriet Street Cathays Cardiff CF24 4BY
Change of use from 2 no. 2-bedroom self-contained flats (Use class C3) to 2 no. 3-bedroom Houses in Multiple Occupation (Use Class C4).
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25/01745/HSE Awaiting decision
33 Harriet Street Cathays Cardiff CF24 4BU
Ground floor rear extension to existing class C4 House in Multiple Occupation (HMO)
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25/01979/FUL Awaiting decision
55 Coburn Street Cathays Cardiff CF24 4BR
Change of use from Class C4 House in Multiple Occupation to large Sui Generis HMO with ground floor rear extension and rear dormer extension.
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26/01391/CLEUD Awaiting decision
173 Rhymney Street Cathays Cardiff CF24 4DL
Use of the property as a Sui Generis House in Multiple Occupation (HMO).
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26/00102/CLPUD Granted
90 Coburn Street Cathays Cardiff CF24 4BT
Rear and side dormer roof extensions.
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25/02480/CLEUD Awaiting decision
60 Woodville Road Cathays Cardiff CF24 4EB
Use as 5 flats following the historical conversion from four to five flats.
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.
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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).
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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).