26/00978/CLEUD

1. 11 May 2026

   Received by Cardiff

2. 22 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 17 Jun 2026

   Decision issued: Permission Granted

4. 22 Jul 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within five years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

• 25/02997/HSE Granted

  17 Treorky Street Cathays Cardiff CF24 4JP

  Rear extension and dormer loft conversion.

  29 Dec 2025 48m away Householder
• 25/02928/FUL Granted

  106 Maindy Road Cathays Cardiff CF24 4HQ

  Change of Use from six bedroom House in Multiple Occupation (C4) to seven bedroom House in Multiple Occupation (Sui Generis).

  15 Dec 2025 138m away Full applications
• 25/02738/FUL Granted

  34 Maindy Road Cathays Cardiff CF24 4HP

  Conversion of existing house to 8 bed House in Multiple Occupation (Sui Generis). Removal of existing rear extensions and costruction of part single storey part two storey rear extension. Rear dormer roof extension.

  24 Nov 2025 144m away Full applications
• 25/01715/HSE Awaiting decision

  13B Fanny Street Cathays Cardiff CF24 4EG

  Ground floor rear and side extensions plus alterations.

  23 Jul 2025 189m away Householder
• 25/02795/NMA Granted

  Julian Hodge Resource Centre Colum Drive Cathays Cardiff CF10 3EU

  Proposed Non-Material Amendment to Planning Permission 24/01411/FUL- Increasing the number of panels proposed and installation of a handrail safety system.

  27 Nov 2025 195m away Amendments
• 26/00849/FUL Awaiting decision

  9 Flora Street Cathays Cardiff CF24 4EP

  Change of Use from a C4 House in Multiple Occupation to a 7 person Sui Generis House in Multiple Occupation. Single storey rear extension, rear dormer and pitch alterations to the roof.

  29 Apr 2026 267m away Full applications

• 26/01314/CLPUD Granted

  Beech House Pascal Close Trowbridge Cardiff

  Remove air handling unit and chiller systems. The plinth to be removed and a replacement plinth being installed on the same footprint. Installation of a new liquid nitrogen tank.

  23 Jun 2026 Lawful development
• 26/01449/CLPUD Awaiting decision

  53 Westbourne Road Whitchurch Cardiff CF14 2BR

  single storey flat roof side and rear extension

  13 Jul 2026 Lawful development
• 26/01429/CLPUD Awaiting decision

  311 Western Avenue Llandaff Cardiff CF5 2BA

  Works associated with a loft conversion

  10 Jul 2026 Lawful development
• 26/01415/CLPUD Awaiting decision

  85 Wenallt Road Rhiwbina Cardiff CF14 6TP

  Construction of rear roof dormer and installation of roof windows.

  9 Jul 2026 Lawful development
• 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).

  6 Jul 2026 Lawful development