Planning application
12 Seymour Street Splott Cardiff CF24 2NQ
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Change of use from a dwellinghouse to a class C4 House in Multiple Occupatio (HMO).
As published by the council, reference 26/01837/FUL
Application record
- Reference
- 26/01837/FUL
- Type
- Full Planning Permission
- Status
- Registered
- Received
- 31 Aug 2026
- Validated
- 4 Sep 2026
- Ward
- SPLOTT
- Postcode
- CF24 2NQ
Comment by 29 September 2026
The council is taking comments on this application until then. Have your say on Cardiff's portal.
Timeline
Dates from the published record
-
31 Aug 2026
Received by Cardiff
-
4 Sep 2026
Validated
Checked as complete and ready for consideration.
-
13 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 30 October 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.
Documents
Plans, drawings, consultee responses and the officer's report
10 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat happens while it is decided
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.
About full applications
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.
Nearby applications
Within 500 metres
-
108B Railway Street Splott Cardiff CF24 2NF
The conversion of existing dilapidated garage into a habitable space designed for one bedroom, en suite and additional kitchen/dining space. External alterations to the property.
Granted Full applications 16 docs -
106 Railway Street Splott Cardiff CF24 2NF
Single storey rear extension and associated alterations
Granted Householder Extension 15 docsSmall domestic -
23 Eyre Street Splott Cardiff CF24 2JS
CHANGE OF USE FROM A 3 BED HOUSE, INTO 3 X 1 BED FLATS. INCLUDING A SINGLE STORY REAR EXTENSION, AND REAR DORMER/LOFT CONVERSION
Granted Full applications New dwelling Extension +1 6 docs -
62 Bertram Street Adamsdown Cardiff CF24 1NY
REAR SINGLE STOREY EXTENSION AND REAR DORMER ROOF EXTENSION
Granted Householder Extension Loft or dormer 11 docsSmall domestic -
12 Wilson Street, Splott, Cardiff
TWO STOREY REAR EXTENSION SPARE ROOM WITH BEDROOM OVER
Withdrawn Householder ExtensionDomestic -
Land Outside The Cardiff And Vale Therapy Centre Splott Road Splott Cardiff CF24 2BZ
Installation of 17.5m monopole, 6 no. antennas, 2 no. transmission dishes, 2 no. equipment cabinets and ancillary development thereto.
Refused Prior approval 13 docs
Other full applications
In Cardiff
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26/01908/FUL Awaiting decision
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Demolition of existing two storey side extension and replacement with new remodelled two storey extension
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26/01395/FUL Granted
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Change of use from c3 dwelling house to c4 6 bed HMO.
-
26/01033/FUL Granted
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Change of use to a physiotherapy clinic
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26/01706/FUL Granted
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Install 4 grilles to the rear of the building
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26/01708/FUL Granted
Ground Floor 37 Whitchurch Road Gabalfa Cardiff CF14 3JN
CHANGE OF USE FROM TANNING SALON TO PROFFESIONAL ADVICE/SOLICITOR SERIVCES