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Planning application

138 Rhymney Street Cathays Cardiff CF24 4DJ

Awaiting decision Cardiff 26/01393/FUL Full Planning Permission

Works: Loft or dormer Domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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

As published by the council, reference 26/01393/FUL

Application record

Reference
26/01393/FUL
Type
Full Planning Permission
Status
Registered
Received
6 Jul 2026
Validated
6 Jul 2026
Ward
CATHAYS
Postcode
CF24 4DJ

Timeline

Dates from the published record

  1. 6 Jul 2026

    Received by Cardiff

  2. 22 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 31 August 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 56 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Zenith Design & Build Ltd. Agent, a design practice registered in Dinas Powys

Active · incorporated 2013 · Dinas Powys

42 applications on PlanIndex · across 3 councils · 92% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

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

About full applications

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.

Nearby applications

Within 0.3 miles

  • 90 Coburn Street Cathays Cardiff CF24 4BT

    26/00102/CLPUD Submitted 20 Jan 2026 50 yards away

    Rear and side dormer roof extensions.

    Granted Lawful development Extension Loft or dormer 8 docs

  • 82 Coburn Street Cathays Cardiff CF24 4BT

    21/00644/MNR Submitted 15 Mar 2021 50 yards 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

  • 92 Coburn Street Cathays Cardiff CF24 4BT

    21/01174/DCH Submitted 10 May 2021 50 yards 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
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  • 177 Richmond Road Roath Cardiff CF24 3BT

    26/02001/FUL Submitted 16 Sep 2026 50 yards away

    90% historically approved · decision due ~17 Nov

    Ground and first floor rear extensions to existing flats.

    Awaiting decision Full applications New dwelling Extension 8 docs

  • 76 Coburn Street Cathays Cardiff CF24 4BT

    21/01295/MNR Submitted 20 May 2021 50 yards 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

  • 98 Coburn Street Cathays Cardiff CF24 4BT

    21/01546/MNR Submitted 21 Jun 2021 50 yards away

    CHANGE OF USE FROM C3 DWELLINGHOUSE TO SIX BEDROOM HOUSE OF MULTIPLE OCCUPATION (C4) WITH REDUCTION OF EXISTING SINGLE STOREY REAR EXTENSION AND ASSOCIATED ALTERATIONS

    Granted Full applications Extension 8 docs
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In Cardiff

  • 26/01337/FUL Granted

    37 Wyeverne Road Cathays Cardiff CF24 4BG

    Extensions and alterations and change of use from dwelling (C3) to House in Multiple Occupation (C4) (HMO).

    Received 26 Jun, published by the council 22 Jul 2026 Full applications
  • 26/01728/FUL Granted

    Unit 7b Cardiff Industrial Park Pennine Close Llanishen Cardiff CF14 5DN

    Installation of 5 no. external air source heat pump units

    Received 13 Aug, published by the council 24 Aug 2026 Full applications
  • 26/01729/FUL Granted

    Unit 7b Cardiff Industrial Park Pennine Close Llanishen Cardiff CF14 5DN

    Replacement roller shutter.

    Received 13 Aug, published by the council 24 Aug 2026 Full applications
  • 26/01216/FUL Granted

    4 Callaghan Square Butetown Cardiff CF10 5BT

    Internal and external alterations to an existing office building at ground floor and part first floor

    Received 12 Jun, published by the council 22 Jul 2026 Full applications
  • 26/02099/FUL Awaiting decision

    20 Janet Street Splott Cardiff CF24 2BD

    Proposed conversion of dwelling to form two flats

    Received 5 Oct, published by the council 9 Oct 2026 Full applications