Llethrau 5 CWM Alarch Close Mountain Ash CF45 3DT

1. 9 Feb 2021

   Received by Rhondda Cynon Taf

2. 12 May 2021

   Validated

   Checked as complete and ready for consideration.

3. 7 Jul 2021

   Decision issued: Granted

4. 16 Sep 2026

   Added to PlanIndex

Rhondda Cynon Taf granted permission on 7 July 2021, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 6 Woodlands Cwm Alarch Close Glenboi Mountain Ash Rhondda Cynon Taf CF45 3DT

  26/0906/FUL Submitted 16 Oct 2026 50 yards away

  92% historically approved · decision due ~14 Dec

  Installation of an Air to Water heat pump, to replace a gas boiler for water & central heating

  Awaiting decision Full applications 6 docs

• 7 Meadow Close Mountain Ash Rhondda Cynon Taf CF45 3DN

  26/0905/FUL Submitted 15 Oct 2026 100 yards away

  92% historically approved · decision due ~10 Dec

  Proposed single storey rear extension and division of an existing dwelling into two separate dwellings.

  Awaiting decision Full applications Extension
  Small domestic

• 8 Meadow Close Mountain Ash Rhondda Cynon Taf CF45 3DN

  25/0956/FUL Submitted 18 Sep 2025 100 yards away

  Proposed single-storey rear extension, with the demolition and relocation of the existing garage (additional plans received 15/10/2025)

  Granted Full applications Extension Demolition 9 docs
  Small domestic

• 38 Sierra Pines Mountain Ash CF45 3DS

  05/1789/FUL Submitted 27 Sep 2005 100 yards away

  Two storey extension to match all existing finishes. Remove existing garage door. Replace with window and brickwork to match existing.

  Granted Full applications Extension Windows or glazing

• 40 Sierra Pines Mountain Ash Rhondda Cynon Taf CF45 3DS

  25/1064/FUL Submitted 16 Oct 2025 100 yards away

  Construction of 2 storey duo-pitch extension to side elevation as a granny annexe

  Granted Full applications Extension 9 docs

• 40 Sierra Pines Mountain Ash Rhondda Cynon Taf CF45 3DS

  26/0137/RVOC Submitted 17 Feb 2026 100 yards away

  Variation of condition 7 and removal of conditions 5 and 6 of previous permission 25/1064/FUL

  Granted Amendments 3 docs

• 26/0942/FUL Awaiting decision

  Performance Physiotherapy 31 Gelliwastad Road Pontypridd Rhondda Cynon Taf CF37 2BN

  Single storey rear extension.

  Received 29 Oct, published by the council 2 Nov 2026 Full applications
• 26/0933/FUL Awaiting decision

  7 Graig Isaf Aberdare Rhondda Cynon Taf CF44 7RD

  Proposed dormer loft conversion to rear elevation

  Received 26 Oct, published by the council 28 Oct 2026 Full applications
• 26/0928/FUL Awaiting decision

  176 Glan-y-ffordd Taff's Well Rhondda Cynon Taf CF15 7SP

  Wrap around single storey extension.

  Received 23 Oct, published by the council 28 Oct 2026 Full applications
• 26/0927/FUL Awaiting decision

  57 Nythbran Terrace Porth Rhondda Cynon Taf CF39 9TP

  Proposed two storey rear extension.

  Received 23 Oct, published by the council 27 Oct 2026 Full applications
• 26/0919/FUL Awaiting decision

  44- 45 Morton Terrace Clydach Tonypandy Rhondda Cynon Taf CF40 2DP

  Proposed detached rear garage.

  Received 20 Oct, published by the council 29 Oct 2026 Full applications