Plot 3 Trem Y Duffryn Mountain Ash CF45 4AQ

1. 1 Jun 2023

   Received by Rhondda Cynon Taf

2. 14 Jun 2023

   Validated

   Checked as complete and ready for consideration.

3. 16 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 9 August 2023, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Rhondda Cynon Taf took a median of 58 days over the applications it decided in the last year.

This application is with Rhondda Cynon Taf for determination, against a statutory target of eight weeks. Over the last year Rhondda Cynon Taf decided amendment applications in a median of 23 days. More in our guide to how long planning decisions take.

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.

• Plot 3 Trem Y Dyffryn Mountain Ash

  23/0424/39 Submitted 14 Apr 2023 50 yards away

  Amendments to plot layout: Relocate house to alongside boundary to plot 4 and garage to be alongside boundary to plot 2; - retain access from public highway, retain mature trees

  Refused Amendments Trees 4 docs

• Dyffryn Pennar Dyffryn Road Mountain Ash CF45 4DA

  21/0728/10 Submitted 18 May 2021 150 yards away

  Erection of a pre-fabricated former temporary office unit to form a permanent hospitality suite with decking & viewing area.

  Granted Full applications 14 docs

• 7 Harcourt Road Mountain Ash Rhondda Cynon Taf CF45 3PY

  26/0886/FUL Submitted 8 Oct 2026 350 yards away

  92% historically approved · decision due ~16 Dec

  First storey rear extension.

  Awaiting decision Full applications Extension 4 docs

• 9 Aber-FFRWD Road Mountain Ash CF45 4AR

  23/0331/39 Submitted 23 Mar 2023 0.2 miles away

  Non Material amendment sought to block up 3 windows from the original plans and a proposed pitched roof to the garage. 22/1187/15

  Granted Amendments Windows or glazing 3 docs

• The Mountain Ash Inn 24 Commercial Street Mountain Ash CF45 3PS

  22/1446/01 Submitted 9 Dec 2022 0.3 miles away

  Advertisement consent for the installation of fascia's, window vinyl's, poster frames and ACM panels (amended plans received 07/03/2023 and 25/04/2023).

  Granted Advertising Windows or glazing 13 docs

• Bryn Cerdin High Street Mountain Ash CF45 3PB

  03/1321/FUL Submitted 28 Jul 2003 0.3 miles away

  Double garage with access to front/side and rear. Independant to adjacent property.

  Granted Full applications

• 26/0888/NMA Granted

  Clydach Vale Rhondda Cynon Taf Cbc Cambrian Court Business Pavilion Clydach Tonypandy CF40 2XX

  Non-Material Amendment to planning permission 24/1297/FUL to amend the wording of Conditions 7 (Validation Report) and 8 (Verification Report) to retain the requirement for gas protection measures to be completed prior to first occupation, and to amend the timing of the landscaping cover requirements to within 3 months following first occupation.

  Received 9 Oct, published by the council 12 Oct 2026 Amendments
• 26/0887/NMA Granted

  12 Sunnyside Main Road Abercynon Rhondda Cynon Taf CF45 4DJ

  Non-Material Amendment to Condition 1 to amend the approved plans in relation to the retaining wall, and the removal of Condition 2, which requires structural details of the retaining wall to be submitted and approved.

  Received 9 Oct, published by the council 13 Oct 2026 Amendments
• 26/0857/NMA Granted

  Cartref Llantrisant Road To Newbridge Road Brynteg Beddau Rhondda Cynon Taf CF72 8LR

  Proposed non-material amendment of previously approved planning application 26/0626/FUL, to amend the description of development to 'Subdivision of curtilage and phased residential development (Re-submission), comprising a separate site-wide enabling works phase and individual phases as shown on approved Phasing Plan NMA-PH01 Rev A.'

  Received 1 Oct, published by the council 16 Oct 2026 Amendments
• 26/0852/NMA Granted

  Craig Yr Hesg Primary School Cefn Lane Glyn-coch Pontypridd Rhondda Cynon Taf CF37 3BP

  Amendment to Condition 5 to reflect the phasing of the project and allow the existing access to be reinstated within one month of the completion of the phase 2 works.

  Received 30 Sep, published by the council 8 Oct 2026 Amendments
• 26/0833/NMA Granted

  Harlequin House Coedcae Lane Talbot Green Rhondda Cynon Taf CF72 8YY

  Non material amendment application to planning permission 25/1025/FUL to amend approved plans under condition no. 2

  Received 24 Sep, published by the council 25 Sep 2026 Amendments