90 Coburn Street Cathays Cardiff CF24 4BT

1. 20 Jan 2026

   Received by Cardiff

2. 6 Feb 2026

   Decision issued: Permission Granted

3. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 6 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.

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.

• 92 Coburn Street Cathays Cardiff CF24 4BT

  21/01174/DCH Submitted 10 May 2021 5m away

  DEMOLITION OF EXISTING REAR EXTENSION AND CONSTRUCTION OF NEW SINGLE STOREY REAR EXTENSION AND REAR DORMER

  Granted Householder Extension Loft or dormer +1 6 docs
  Small domestic

• 118 COBURN STREET, CATHAYS, CARDIFF, CF24 4BT

  10/01196/DCH Submitted 1 Jul 2010 17m away

  GROUND AND FIRST FLOOR EXTENSION AND REAR DORMER

  Granted Householder Extension Loft or dormer 7 docs
  Domestic

• 82 Coburn Street Cathays Cardiff CF24 4BT

  21/00644/MNR Submitted 15 Mar 2021 20m away

  SINGLE STOREY REAR EXTENSION, DEMOLITION AND REBUILD OF EXISTING FIRST FLOOR EXTENSION, LOFT CONVERSION AND CONSTRUCTION OF REAR DORMER. CHANGE OF USE C3 TO C4 HOUSE IN MULTIPLE OCCUPATION

  Refused Full applications Extension Loft or dormer +1 15 docs
  Small domestic

• 55 Coburn Street Cathays Cardiff CF24 4BR

  25/01979/FUL Submitted 26 Aug 2025 31m away

  91% historically approved · decision due ~22 Oct

  Change of use from Class C4 House in Multiple Occupation to large Sui Generis HMO with ground floor rear extension and rear dormer extension.

  Awaiting decision Full applications Extension Loft or dormer 6 docs

• 76 Coburn Street Cathays Cardiff CF24 4BT

  21/01295/MNR Submitted 20 May 2021 36m away

  SINGLE STOREY REAR EXTENSION, DEMOLITION AND REBUILD OF EXISTING FIRST FLOOR EXTENSION, LOFT CONVERSION AND CONSTRUCTION OF REAR DORMER. CHANGE OF USE C3 TO C4 HOUSE IN MULTIPLE OCCUPATION

  Refused Full applications Extension Loft or dormer +1 15 docs
  Small domestic

• 138 Rhymney Street Cathays Cardiff CF24 4DJ

  26/01393/FUL Submitted 6 Jul 2026 51m away

  91% historically approved · decision due ~31 Aug

  Change of use from C3 Dwellinghouse to C4 House in Multiple Occupation (5 Bedrooms) and construction of rear dormer.

  Awaiting decision Full applications Loft or dormer 7 docs
  Domestic

• 26/01775/CLEUD Granted

  62 Cottrell Road Roath Cardiff CF24 3EZ

  Use of the property as 2 residential care flats (Class C2).

  20 Aug 2026 Lawful development
• 26/01773/CLEUD Granted

  32 Connaught Road Roath Cardiff

  Use of the property as 5 residential care flats (Class C2).

  20 Aug 2026 Lawful development
• 26/01774/CLEUD Granted

  57 Connaught Road Roath Cardiff CF24 3PW

  Use of the property as 4 residential care flats (Class C2).

  20 Aug 2026 Lawful development
• 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

  8 Sep 2026 Lawful development
• 26/01990/CLEUD Awaiting decision

  5 Talworth Street Roath Cardiff CF24 3EH

  Use of the property as a C4 House in Multiple Occupation (HMO).

  8 Sep 2026 Lawful development