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Planning application

56 Miskin Street Cathays Cardiff

Awaiting decision Cardiff 26/01918/FUL Full Planning Permission

Works: New dwelling Extension Loft or dormer Several homes

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

Conversion to four flats with ground floor rear extension and rear dormer loft conversion.

As published by the council, reference 26/01918/FUL

Application record

Reference
26/01918/FUL
Type
Full Planning Permission
Status
Registered
Received
11 Sep 2026
Validated
11 Sep 2026
Ward
CATHAYS

Comment by 7 October 2026

The council is taking comments on this application until then. Have your say on Cardiff's portal.

Site history

Applications at this address on the Cardiff register

This site has had 2 applications since 2026: 0 approved, 1 refused.

  • 26/00010/FUL Refused

    56 Miskin Street Cathays Cardiff

    Change of use from 2 flats to an 8 bedroom Sui generis HMO with ground floor rear extensions and dormer loft conversion.

    Decided 2 Jul 2026 Full applications

Timeline

Dates from the published record

  1. 11 Sep 2026

    Received by Cardiff

  2. 22 Sep 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 6 November 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

DTB DESIGN Agent, a design practice

30 applications on PlanIndex · across 3 councils · 65% 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

6 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 87 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

  • 56 Miskin Street Cathays Cardiff

    26/00010/FUL Submitted 5 Jan 2026 50 yards away

    Change of use from 2 flats to an 8 bedroom Sui generis HMO with ground floor rear extensions and dormer loft conversion.

    Refused Full applications New dwelling Extension +1 10 docs
    Several homes

  • 39 - 41 Wyeverne Road Cathays Cardiff CF24 4BG

    25/02368/FUL Submitted 15 Oct 2025 50 yards away

    92% historically approved · decision due ~11 Dec

    Erection of detached building to house additional bedrooms associated with the existing Sui Generis House in Multiple Occupation at 39 Wyeverne Road.

    Awaiting decision Full applications 8 docs

  • 37 Wyeverne Road Cathays Cardiff CF24 4BG

    26/01337/FUL Submitted 26 Jun 2026 50 yards away

    92% historically approved · decision due ~21 Aug

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

    Awaiting decision Full applications Extension 10 docs
    Domestic

  • 59 Wyeverne Road Cathays Cardiff CF24 4BG

    25/01666/FUL Submitted 16 Jul 2025 100 yards away

    Ground and first floor rear extensions, hip to gable and rear dormer roof extensions and conversion to large sui generis house in multiple occupation.

    Granted Full applications Extension Loft or dormer 9 docs

  • 90 Miskin Street Cathays Cardiff CF24 4AR

    19/02948/MNR Submitted 7 Nov 2019 100 yards away

    EXISTING USE AS A LARGE SUI GENERIS HOUSE IN MULTIPLE OCCUPATION

    Granted Lawful development 7 docs

  • 38 Wyeverne Road Cathays Cardiff CF24 4BH

    21/01268/MNR Submitted 18 May 2021 150 yards away

    CONVERSION FROM HOUSE OF MULTIPLE OCCUPATION TO 4 FLATS WITH REAR GROUND AND FIRST FLOOR EXTENSIONS, HIP TO GABLE ROOF EXTENSION AND REAR DORMER

    Granted Full applications New dwelling Extension +1 11 docs
    Several homes

In Cardiff

  • 26/01959/FUL Awaiting decision

    175 City Road Roath Cardiff CF24 3JB

    Retrospective application for alterations to the existing covered external seating area, comprising side panels, glazing, stall risers and an entrance door.

    Received 16 Sep, published by the council 22 Sep 2026 Full applications
  • 26/01531/FUL Granted

    60 Colum Road Cathays Cardiff CF10 3EH

    Dormer Loft Conversion plus related alterations to convert existing class C4 HMO into a large sui generis HMO.

    Received 23 Jul, published by the council 6 Aug 2026 Full applications
  • 26/01537/FUL Granted

    Part Ground Floor And First Floor 55 Whitchurch Road Gabalfa Cardiff CF14 3JP

    Change of use of existing offices to living accomodation

    Received 23 Jul, published by the council 6 Aug 2026 Full applications
  • 26/01534/FUL Granted

    23 Gordon Road Roath Cardiff CF24 3AL

    Retention of conversion from a large sui generis HMO to a class C4 HMO.

    Received 23 Jul, published by the council 6 Aug 2026 Full applications
  • 26/01641/FUL Granted

    64 St Mary Street Cathays Cardiff CF10 1FA

    Replacement of the existing condensers and Installation of additional 4 no. new condensers within the external yard

    Received 3 Aug, published by the council 13 Aug 2026 Full applications