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Planning application

66 Monthermer Road Cathays Cardiff CF24 4QY

Awaiting decision Cardiff 26/01510/FUL Full Planning Permission

Works: New dwelling Extension

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

Proposal

Alterations and extensions to 8-bed HMO to form 4 x 1-bed apartments and 1 studio

As published by the council, reference 26/01510/FUL

Application record

Reference
26/01510/FUL
Type
Full Planning Permission
Status
Registered
Received
21 Jul 2026
Validated
21 Jul 2026
Ward
CATHAYS
Postcode
CF24 4QY

Timeline

Dates from the published record

  1. 21 Jul 2026

    Received by Cardiff

  2. 6 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 15 September 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

Connections Design Agent, a design practice

19 applications on PlanIndex · across 2 councils · 100% 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

  • 74 Monthermer Road Cathays Cardiff CF24 4QY

    21/01363/MNR Submitted 26 May 2021 50 yards away

    CONVERSION TO 4 FLATS WITH GROUND FLOOR REAR AND SIDE EXTENSIONS AND DORMER ROOF EXTENSION

    Granted Full applications New dwelling Extension +1 13 docs
    Several homes

  • 80 Monthermer Road Cathays Cardiff CF24 4QY

    25/02210/CLPUD Submitted 25 Sep 2025 50 yards away

    Rear and side dormer loft conversions.

    Granted Lawful development Loft or dormer 8 docs

  • 80 Monthermer Road Cathays Cardiff CF24 4QY

    25/00683/FUL Submitted 19 Mar 2025 50 yards away

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

    Granted Full applications New dwelling Extension +1 12 docs
    Several homes

  • 80 Monthermer Road Cathays Cardiff CF24 4QY

    25/01030/FUL Submitted 6 May 2025 50 yards away

    Conversion of existing class C4 HMO to large sui generis house in multiple-occupation with ground floor rear extension and dormer loft conversions

    Withdrawn Full applications Extension Loft or dormer 9 docs

  • 48 Monthermer Road Cathays Cardiff CF24 4RA

    21/01133/MNR Submitted 4 May 2021 100 yards away

    DEMOLITION OF EXISTING LEAN TO SHED AND CONVERSION AND EXTENSION OF EXISTING COACH HOUSE INTO RESIDENTIAL DWELLING

    Granted Full applications Extension Demolition 9 docs
    Small domestic

  • 112 Tewkesbury Street Cathays Cardiff CF24 4QS

    22/03049/CLD Submitted 21 Dec 2022 100 yards away

    Rear Dormer Roof Extension and Rear Single Storey Extension

    Granted Lawful development Extension Loft or dormer 6 docs
    Small domestic

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