Land On The North Side Thesiger Street Cathays Cardiff

1. 18 Aug 2026

   Received by Cardiff

2. 24 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 13 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 55 days over the applications it decided in the last year.

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 73 days. More in our guide to how long planning decisions take.

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.

• 55 Coburn Street Cathays Cardiff CF24 4BR

  25/01979/FUL Submitted 26 Aug 2025 23m away

  92% 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

• 48 Harriet Street Cathays Cardiff CF24 4BW

  22/02385/FUL Submitted 11 Oct 2022 42m away

  ALTERATIONS TO CREATE A CLASS C4 HOUSE IN MULTIPLE OCCUPATION

  Granted Full applications 10 docs

• Flat 4 And 5 44 Harriet Street Cathays Cardiff CF24 4BY

  26/01126/FUL Submitted 2 Jun 2026 45m away

  92% historically approved · decision due ~28 Jul

  Change of use from 2 no. 2-bedroom self-contained flats (Use class C3) to 2 no. 3-bedroom Houses in Multiple Occupation (Use Class C4).

  Awaiting decision Full applications New dwelling 8 docs

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

  10/01196/DCH Submitted 1 Jul 2010 45m away

  GROUND AND FIRST FLOOR EXTENSION AND REAR DORMER

  Granted Householder Extension Loft or dormer 7 docs
  Domestic

• 92 Coburn Street Cathays Cardiff CF24 4BT

  21/01174/DCH Submitted 10 May 2021 52m 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

• 90 Coburn Street Cathays Cardiff CF24 4BT

  26/00102/CLPUD Submitted 20 Jan 2026 54m away

  Rear and side dormer roof extensions.

  Granted Lawful development Extension Loft or dormer 8 docs

• 25/02269/FUL Granted

  No1 John Street John Street Butetown Cardiff CF10 5PE

  Proposal for roof plant encompassing DX Unit Condensers, Catering Kitchen and Kitchen Canopy Supply and Extract Handling Units

  2 Oct 2025 Full applications
• 26/00351/FUL Granted

  202 Cathedral Road Pontcanna Cardiff CF11 9JF

  Side dormer roof extension, erection of railings and gate over front boundary walls, replacement of windows in existing openings at the front elevation, further external alterations to other elevations, new canopy alongside elevation, removal of rear & side boundary wall and erection of gate to rear alleyway. Demolition of existing garage and rear lean-to extension.

  19 Feb 2026 Full applications
• 26/01606/FUL Granted

  BBC Roath Lock Studios Heol Porth Teigr Butetown Cardiff CF10 4GA

  External alterations to existing studio buildings including a new entrance canopy, rooftop set and associated operational development.

  29 Jul 2026 Full applications
• 26/00649/FUL Granted

  434 Cowbridge Road East Canton Cardiff CF5 1JN

  Rear extensions, side dormer loft conversion, and additional two residential units with other associated works.

  30 Mar 2026 Full applications
• 26/01673/FUL Granted

  4 Mackintosh Place Roath Cardiff CF24 4RQ

  Alterations to existing shopfront with associated external alterations

  5 Aug 2026 Full applications