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Planning application

25/02077/NMA

12 Heol Mabon Rhiwbina Cardiff CF14 6RL

Awaiting decision Cardiff Non Material Amendment

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

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. 22 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Cardiff for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About amendments applications

How this application type works

An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.

More on amendments applications in our guide

Nearby applications

Within 500 metres

  • 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.

    17 Dec 2025 57m away Amendments
  • 25/02001/HSE Awaiting decision

    36 Heol Isaf Rhiwbina Cardiff CF14 6RJ

    Single storey rear extension.

    28 Aug 2025 128m away Householder
  • 25/02701/HSE Granted

    77 Cefn Graig Rhiwbina Cardiff CF14 6JY

    Proposed Front Porch including associated works

    19 Nov 2025 200m away Householder
  • 26/01114/CLPUD Granted

    80 Heol Uchaf Rhiwbina Cardiff CF14 6SR

    Hip to gable and rear dormer roof extension.

    1 Jun 2026 216m away Lawful development
  • 26/00787/HSE Granted

    29 Heol Llanishen Fach Rhiwbina Cardiff CF14 6LA

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

    21 Apr 2026 225m away Householder
  • 25/01832/DOC Awaiting decision

    Llanishen Fach Primary School Heol Uchaf Rhiwbina Cardiff CF14 6SS

    Discharge of Conditions 6 (Means of Enclosure), 7 (Cycle and Scooter Parking), 8 (Lighting Design Strategy), and 9 (Green Infrastructure and Landscape Management Plan) of 24/01076/FUL

    6 Aug 2025 225m away Conditions

In Cardiff

  • 26/00892/VAR Granted

    Rear Of 47-49 Merthyr Road Tongwynlais Cardiff CF15 7LG

    Construction of new dwelling. (Approved 15 November 2021 - 21/01831/MNR):- Variation of Condition 1 (Implementation Period) of 21/01831/MNR to amend the approved scheme as follows: 1) Extend the implementation period by 5 years.

    6 May 2026 Amendments
  • 26/01200/NMA Granted

    County Hall Atlantic Wharf Butetown Cardiff CF10 4UW

    Proposed Non-Material Amendment to Planning Permission 26/00425/VAR- 1) Hotel elevation treatment updated from composite sandwich panel to metal plank system; 2) Relocation of north east roof plant to the rear elevation, and increased extent of western plant room; 3) Introduction of Air Source Heat Pumps (ASHPs) to the hotel roof in the north-east corner; 4) Plant screen extents to roof updated; 5) Guardrail added to parts of roof as edge protection; 6) Ground floor external doors have been updated on the hotel front elevation (north elevation); 7) Proposed external louvres on the hotel rear elevation (south elevation). 3no. louvres are proposed at ground floor level and 3no. are proposed at Level 1; 8) Cladding on the southern elevation has dropped circa 250mm above the under-croft car park; 9) Non-vision spandrel panels added to curtain walling at ground level; 10) Feature gold band flashing extended to meet external door on east elevation; and 11) Bike store relocated at ground floor closer to hotel entrance.

    10 Jun 2026 Amendments
  • 26/01451/NMA Awaiting decision

    Land Adjacent To 1 Lake View Close Cyncoed Cardiff CF23 6DU

    Proposed Non-Material Amendment to Planning Permission 23/01383/FUL - Addition of a door in the side elevation

    13 Jul 2026 Amendments
  • 26/01452/NMA Awaiting decision

    20 Ruperra Close Old St Mellons Cardiff CF3 6HX

    Proposed Non-Material Amendment to Planning Permission 26/00673/HSE- Relocation of windows and doors and small infill between the main house and side extension.

    13 Jul 2026 Amendments
  • 26/01184/NMA Granted

    49 Rannoch Drive Cyncoed Cardiff CF23 6LP

    Non-Material Amendment to Planning Permission 25/01963/HSE- Raise the main apex roof front to back and remove front dormer roof.

    9 Jun 2026 Amendments