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Planning application

12 Heol Mabon Rhiwbina Cardiff CF14 6RL

Refused Cardiff 25/02077/NMA Non Material Amendment

Works: Extension

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

Proposal

Proposed Non-Material Amendment to Planning Permission 24/00445/HSE - 1) Rear extension with pitched roof changed to flat roof with mono-pitch fall. 2) Extent of extension made smaller.

As published by the council, reference 25/02077/NMA

Application record

Reference
25/02077/NMA
Type
Non Material Amendment
Status
Decided
Decision
Refused As published: Refuse
Received
10 Sep 2025
Validated
11 Sep 2025
Decided
4 Dec 2025
Ward
RHIWBINA
Decision by
Chair (1- 5 Reps)
Postcode
CF14 6RL

Site history

Applications at this address on the Cardiff register

This site has had 2 applications since 2025: 1 approved, 1 refused.

  • 25/02945/VAR Granted

    12 Heol Mabon Rhiwbina Cardiff CF14 6RL

    Variation of Condition 2 (Approved Plans) to amend the approved scheme as follows: 1) Reduced extension size; and 2) Roof changed from pitched to flat.

    Decided 24 Apr 2026 Amendments

Timeline

Dates from the published record

  1. 10 Sep 2025

    Received by Cardiff

  2. 11 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 4 Dec 2025

    Decision issued: Refuse

  4. 22 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Turley & Young Partnership Ltd Agent, registered in Cardiff

Active · incorporated 2018 · Cardiff

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

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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.

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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 amendment applications

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 12 Heol Mabon Rhiwbina Cardiff CF14 6RL

    25/02945/VAR Submitted 17 Dec 2025 50 yards away

    Variation of Condition 2 (Approved Plans) to amend the approved scheme as follows: 1) Reduced extension size; and 2) Roof changed from pitched to flat.

    Granted Amendments Extension 10 docs

  • 23 Heol Mabon Rhiwbina Cardiff CF14 6RL

    23/00181/HSE Submitted 25 Jan 2023 100 yards away

    Rear extension, extension to garage and hip to gable loft conversion

    Granted Householder Extension Loft or dormer 10 docs
    Domestic

  • 77 Cefn Graig Rhiwbina Cardiff CF14 6JY

    25/02701/HSE Submitted 19 Nov 2025 200 yards away

    Proposed Front Porch including associated works

    Granted Householder Extension 6 docs
    Small domestic

  • 11 Bryn Bach Rhiwbina Cardiff CF14 6LH

    23/00213/HSE Submitted 30 Jan 2023 200 yards away

    Proposed Front Porch

    Granted Householder Extension 7 docs
    Small domestic

  • 29 Heol Llanishen Fach Rhiwbina Cardiff CF14 6LA

    26/00787/HSE Submitted 21 Apr 2026 200 yards away

    Demolition of conservatory and garage and construction of ground floor rear and side extension.

    Granted Householder Extension Demolition 7 docs
    Small domestic

  • 1 Llwyn Rhosyn Rhiwbina Cardiff CF14 6NS

    25/02892/HSE Submitted 8 Dec 2025 250 yards away

    Two Storey Side Extension, Internal Alterations, and Improvement to Garage Roof including canopy. Solar Panels and Flue.

    Granted Householder Extension 14 docs
    Domestic

In Cardiff

  • 26/01324/NMA Granted

    Phase 4A Of Land North Of Junction 33 Cardiff

    Proposed Non-Material Amendment to Planning Permission 23/02401/RES - 1) Replace approved boundary treatment plan with new proposed plan. 2) Alterations to external surface finishes.

    Received 24 Jun, published by the council 13 Aug 2026 Amendments
  • 26/01857/NMA Granted

    14 Cotswold Avenue Lisvane Cardiff CF14 0TA

    Proposed Non-Material Amendment to Planning Permission 18/00385/DCH.

    Received 3 Sep, published by the council 13 Sep 2026 Amendments
  • 26/02083/NMA Awaiting decision

    22 Swanage Close Trowbridge Cardiff CF3 0LS

    Proposed Non-Material Amendment to Planning Permission 23/01834/FUL - to amend extension junction of existing roof to allow formation of hipped roof

    Received 2 Oct, published by the council 6 Oct 2026 Amendments
  • 26/01987/NMA Granted

    Land At Dumballs Road Butetown Cardiff

    Proposed Non-Material Amendment to Planning Permission 06/01823/C - Life Critical Fire Safety Works.

    Received 18 Sep, published by the council 6 Oct 2026 Amendments
  • 26/01711/NMA Granted

    25 Brook Road Fairwater Cardiff CF5 3AW

    Proposed Non-Material Amendment to Planning Permission 24/00292/HSE - To change the roof design of the approved first-floor extension

    Received 11 Aug, published by the council 17 Aug 2026 Amendments