Planning application
51 Rhymney Street Cathays Cardiff CF24 4DH
Works: Extension Loft or dormer
Permission granted. Work must normally begin within five years of the decision or the permission lapses.
Proposal
Ground floor rear extension plus rear dormer loft extension and conversion to class C4 House in Multiple Occupation.
As published by the council, reference 25/01660/FUL
Application record
- Reference
- 25/01660/FUL
- Type
- Full Planning Permission
- Status
- Decided
- Decision
- Permission Granted
- Received
- 16 Jul 2025
- Validated
- 17 Jul 2025
- Decided
- 10 Oct 2025
- Ward
- CATHAYS
- Decision by
- Chair (1- 5 Reps)
- Postcode
- CF24 4DH
Timeline
Dates from the published record
-
16 Jul 2025
Received by Cardiff
-
17 Jul 2025
Validated
Checked as complete and ready for consideration.
-
10 Oct 2025
Decision issued: Permission Granted
-
13 Sep 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
9 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 this grant of permission means
Cardiff granted permission on 10 October 2025, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. More in our guide to what happens after a planning decision.
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
-
55 Rhymney Street Cathays Cardiff CF24 4DH
Change of Use to Class C4 House in Multiple Occupation with rear and side extensions and a rear dormer roof extension.
Granted Full applications Extension Loft or dormer 8 docs -
57 Rhymney Street Cathays Cardiff CF24 4DH
Change of use to class C4 House in Multiple Occupation (HMO) with rear extensions and dormer loft conversion.
Withdrawn Full applications Extension Loft or dormer 7 docs -
28 Coburn Street Cathays Cardiff CF24 4BS
SMALL INCREASE TO WIDTH TO EXISTING 2 STOREY REAR PROJECTION, 2 VELUX ROOFLIGHTS, WIDEN EXISTING REAR PATIO DOOR AND REMOVAL OF EXISTING CHIMNEY
Granted Householder Loft or dormer 9 docsDomestic -
42 Rhymney Street Cathays Cardiff CF24 4DG
Demolition and partial reduction of rear extension; erection of rear dormer roof extension; and internal alterations to facilitate the change of use from a dwellinghouse (C3) to a 6-bedroom House in Multiple Occupation (C4)
Granted Full applications Extension Loft or dormer +1 8 docsDomestic -
81 Rhymney Street Cathays Cardiff CF24 4DH
Existing Use as a 6 bed House in Multiple Occupation (HMO)
Granted Lawful development 8 docs -
11 Coburn Street Cathays Cardiff CF24 4BQ
Erection of ground floor rear extension, rear dormer roof extension and addition of rooflight to the front roof elevation
Granted Lawful development Extension Loft or dormer 7 docs
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