Planning application
11 Coburn Street Cathays Cardiff CF24 4BQ
Works: Extension Loft or dormer
Permission granted. Work must normally begin within five years of the decision or the permission lapses.
Proposal
Erection of ground floor rear extension, rear dormer roof extension and addition of rooflight to the front roof elevation
As published by the council, reference 26/00313/CLPUD
Application record
- Reference
- 26/00313/CLPUD
- Type
- Cert of Lawfulness Proposed (s192)
- Status
- Decided
- Decision
- Permission Granted
- Received
- 13 Feb 2026
- Validated
- 13 Feb 2026
- Decided
- 27 Feb 2026
- Ward
- CATHAYS
- Decision by
- Delegated to Group Leader
- Postcode
- CF24 4BQ
Timeline
Dates from the published record
-
13 Feb 2026
Received by Cardiff
-
27 Feb 2026
Decision issued: Permission Granted
-
22 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
7 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 27 February 2026, 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
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 -
48 Coburn Street Cathays Cardiff CF24 4BS
CHANGE OF USE FROM C3 RESIDENTIAL DWELLING TO SEVEN PERSON HMO (SUI GENERIS) WITH A SINGLE STOREY REAR EXTENSION, REAR DORMER ROOF EXTENSION AND ASSOCIATED WORKS
Granted Full applications Extension Loft or dormer 11 docsSmall domestic -
81 Rhymney Street Cathays Cardiff CF24 4DH
Existing Use as a 6 bed House in Multiple Occupation (HMO)
Granted Lawful development 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 -
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 -
51 Rhymney Street Cathays Cardiff CF24 4DH
Ground floor rear extension plus rear dormer loft extension and conversion to class C4 House in Multiple Occupation.
Granted Full applications Extension Loft or dormer 9 docs
Other lawful development applications
In Cardiff
-
26/01775/CLEUD Granted
62 Cottrell Road Roath Cardiff CF24 3EZ
Use of the property as 2 residential care flats (Class C2).
-
26/01773/CLEUD Granted
32 Connaught Road Roath Cardiff
Use of the property as 5 residential care flats (Class C2).
-
26/01774/CLEUD Granted
57 Connaught Road Roath Cardiff CF24 3PW
Use of the property as 4 residential care flats (Class C2).
-
26/01883/CLPUD Awaiting decision
Heathfield 135 Pantbach Road Heath Cardiff CF14 1TY
Proposed enlargement of the existing single-storey rear extension and removal of the existing flat roof and construction of a pitched roof over the enlarged extension with associtated works
-
26/01990/CLEUD Awaiting decision
5 Talworth Street Roath Cardiff CF24 3EH
Use of the property as a C4 House in Multiple Occupation (HMO).