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Planning application

26/00836/FUL

55 Rhymney Street Cathays Cardiff CF24 4DH

Awaiting decision Cardiff Full Planning Permission

Proposal

Change of Use to Class C4 House in Multiple Occupation with rear and side extensions and a rear dormer roof extension.

As published by the council, reference 26/00836/FUL

Timeline

Dates from the published record

  1. 28 Apr 2026

    Received by Cardiff

  2. 22 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Cardiff for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 26/00959/FUL Withdrawn

    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.

    12 May 2026 4m away Full applications
  • 26/00898/FUL Awaiting decision

    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)

    6 May 2026 57m away Full applications
  • 26/00313/CLPUD Granted

    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

    13 Feb 2026 66m away Lawful development
  • 25/02834/FUL Granted

    92 Rhymney Street Cathays Cardiff CF24 4DG

    Change of Use from a C3 Dwelling House to a seven person Sui Generis House of Multiple Occupation. Works to include rear dormer roof extension, rear extension and insertion of roof light to the front roof plane.

    1 Dec 2025 77m away Full applications
  • 26/00261/FUL Awaiting decision

    117 Richmond Road Roath Cardiff CF24 3BS

    Retention of building and conversion to 2 serviced flats.

    9 Feb 2026 90m away Full applications
  • 26/00256/FUL Refused

    115 Richmond Road Roath Cardiff CF24 3BS

    Retention of store and garage building with internal alterations.

    9 Feb 2026 93m away Full applications

In Cardiff

  • 26/01029/FUL Granted

    78 Cae Glas Road Rumney Cardiff CF3 3JW

    Single storey rear extensions and change of use to 2 independent dwellings.

    19 May 2026 Full applications
  • 26/00451/FUL Granted

    48 Longcross Street Adamsdown Cardiff CF24 0JW

    Retrospective change of use from class C3 dwellinghouse to C4 House in Multiple Occupation (HMO).

    6 Mar 2026 Full applications
  • 26/01224/FUL Granted

    Unit 10 Eastgate Business Park Wentloog Avenue Trowbridge Cardiff CF3 2EY

    Retrospective application for the installation of an air condenser unit and associated ductwork.

    12 Jun 2026 Full applications
  • 26/01010/FUL Refused

    136 Tewkesbury Street Cathays Cardiff CF24 4QS

    Conversion to class C4 HMO with ground floor rear/side extension.

    18 May 2026 Full applications
  • 26/00310/FUL Granted

    1A Egerton Street Canton Cardiff CF5 1RF

    Demolition of commercial retail warehouse and construction of 4no. dwellings (2no. semi-detached pairs).

    12 Feb 2026 Full applications