18 Lon-y-felin Cefnpennar Mountain Ash Rhondda Cynon Taf CF45 4ES

1. 29 Nov 2025

   Received by Rhondda Cynon Taf

2. 4 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 28 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 29 January 2026, 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 full applications in a median of 69 days. More in our guide to how long planning decisions take.

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.

• Glanpennar House The Avenue Cefnpennar Mountain Ash CF45 4DT

  23/0032/10 Submitted 12 Jan 2023 50 yards away

  Double storey side and rear extension, balcony and sliding doors to the side elevation, replacement windows throughout.

  Granted Full applications Extension Windows or glazing 6 docs

• Glanpennar House The Avenue Cefnpennar Mountain Ash CF45 4DT

  23/0032/31 Submitted 12 Jan 2023 50 yards away

  Double storey side and rear extension, balcony and sliding doors to the side elevation, replacement windows throughout.

  Granted Full applications Extension Windows or glazing 6 docs

• 6 Middle Row Cwmpennar Mountain Ash Rhondda Cynon Taf CF45 4DN

  25/0953/FUL Submitted 15 Sep 2025 300 yards away

  Single storey rear extension.

  Granted Full applications Extension 3 docs
  Small domestic

• 6 Middle Row Cwmpennar Mountain Ash Rhondda Cynon Taf CF45 4DN

  25/0953/CPRO Submitted 15 Sep 2025 300 yards away

  Single storey rear extension.

  Granted Full applications Extension 4 docs
  Small domestic

• 7 Middle Row Cwmpennar Mountain Ash CF45 4DN

  19/1142/10 Submitted 23 Oct 2019 300 yards away

  Two storey extension.

  Granted Full applications Extension 4 docs

• 49 The Avenue Cefnpennar Mountain Ash Rhondda Cynon Taf CF45 4DU

  24/1046/FUL Submitted 17 Oct 2024 350 yards away

  Dropped kerb to the front of property.

  Granted Full applications 8 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
• 26/0923/FUL Awaiting decision

  Former Gelliwion Quarry Gelliwion Road Maes-y-coed Pontypridd Rhondda Cynon Taf CF37 1EY

  Detached dwelling with off street parking and associated works

  Received 22 Oct, published by the council 2 Nov 2026 Full applications