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Planning application

15 Thornhill Road Rhiwbina Cardiff CF14 6PD

Refused Cardiff 21/01052/MNR Full Planning Permission

Works: Extension

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

SINGLE AND DOUBLE STOREY REAR EXTENSION AND ASSOCIATED WORKS

As published by the council, reference 21/01052/MNR

Application record

Reference
21/01052/MNR
Type
Full Planning Permission
Status
Decided
Decision
Refuse
Received
26 Apr 2021
Validated
28 Apr 2021
Decided
25 Jun 2021
Ward
RHIWBINA
Decision by
Delegated Decision
Postcode
CF14 6PD

Site history

Applications at this address on the Cardiff register

This site has had 2 applications since 2021: 1 approved, 1 refused.

  • 22/02022/FUL Granted

    15 Thornhill Road Rhiwbina Cardiff CF14 6PD

    General alterations and refurbishment of existing structure and the erection of a rear extension with associated external works to provide a new dental facility

    Decided 16 Mar 2023 Full applications

Timeline

Dates from the published record

  1. 26 Apr 2021

    Received by Cardiff

  2. 28 Apr 2021

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jun 2021

    Decision issued: Refuse

  4. 13 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, an architecture practice registered in Penarth

7 applications on PlanIndex · across 3 councils

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Documents

Plans, drawings, consultee responses and the officer's report

13 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.

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What this refusal means

Cardiff refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

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 500 metres

  • 15 Thornhill Road Rhiwbina Cardiff CF14 6PD

    22/02022/FUL Submitted 25 Aug 2022 3m away

    General alterations and refurbishment of existing structure and the erection of a rear extension with associated external works to provide a new dental facility

    Granted Full applications Extension 28 docs

  • 5 Thornhill Road Rhiwbina Cardiff CF14 6PD

    25/01338/FUL Submitted 10 Jun 2025 29m away

    Change of use from class A1 shop to class B1 office.

    Granted Full applications 5 docs

  • 5 Heol Iscoed Rhiwbina Cardiff CF14 6PA

    21/01402/DCH Submitted 2 Jun 2021 61m away

    TO INSERT AN EXTERNAL DOOR FROM THE UTILITY ROOM TO SIDE ELEVATION & TO REPLACE ONE WINDOW WITH ENLARGED OPENING FOR BI-FOLD DOORS TO REAR ELEVATION - PREVIOUSLY APPROVED UNDER 21/0885/DCH

    Granted Householder Windows or glazing 5 docs
    Domestic

  • Car Park Morrisons Ashbourn Way Llanishen Cardiff CF14 5EY

    26/00692/FUL Submitted 2 Apr 2026 96m away

    Creation of charging zones, erection of EV chargers, jet wash bays, substation enclosure, LV panel, meter cabinet, plant room and associated works.

    Withdrawn Full applications 16 docs

  • 77 Beulah Road Rhiwbina Cardiff CF14 6LW

    21/01115/DCH Submitted 4 May 2021 101m away

    SINGLE AND DOUBLE REAR EXTENSION

    Granted Householder Extension 5 docs
    Domestic

  • 13 Ty Glas Road Llanishen Cardiff CF14 5EB

    22/02852/HSE Submitted 29 Nov 2022 103m away

    Extensions at ground and first floor rear, hip to gable roof extension with rear dormer and alterations

    Granted Householder Extension Loft or dormer 8 docs
    Domestic

In Cardiff

  • 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