Perthcelyn Reservoir Perthcelyn Mountain Ash CF45 3HJ

1. 15 May 2025

   Received by Rhondda Cynon Taf

2. 7 Aug 2026

   Added to PlanIndex

3. 18 Aug 2026

   Validated

   Checked as complete and ready for consideration.

4. Decision

   Awaiting decision

   Decision expected by 13 October 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.

• Land To The West Of Hawthorn Terrace Perthcelyn

  25/1262/DIS Submitted 17 Dec 2025 100 yards away

  Discharge of conditions 12 (Contamination) and 13 (Validation) of previously approved planning application 24/0062/FUL for the development of 9 dwellings, access, car parking and associated works.

  Granted Conditions 20 docs
  Several homes

• 5 Tanycoed Street Penrhiwceiber Mountain Ash

  03/1552/FUL Submitted 12 Sep 2003 250 yards away

  Installation of exterior wheelchair lift.

  Withdrawn Full applications

• 3 Osborne Terrace Penybryn Road Penrhiwceiber Mountain Ash CF45 3SX

  21/0794/10 Submitted 2 Jun 2021 250 yards away

  First floor extension.

  Granted Full applications Extension 5 docs

• 8 Belle Vue Street Penrhiwceiber Mountain Ash CF45 3SR

  04/0538/FUL Submitted 19 Mar 2004 350 yards away

  Erection of first floor bedroom extension and forming first floor bathroom

  Granted Full applications Extension 4 docs

• 22 Penrhiwceiber Road Penrhiwceiber Mountain Ash CF45 3SP

  24/0400/RVOC Submitted 19 Apr 2024 400 yards away

  Variation of Condition 2 (Approved Plans/ Drawing) of Planning Permission 22/0919/10 to raise the eaves height along with other associated works at the site

  Granted Amendments 11 docs

• 22-24 Penrhiwceiber Road Penrhiwceiber Mountain Ash CF45 3SP

  03/0610/FUL Submitted 8 Apr 2003 400 yards away

  Change of Use - from vacant hardware store to Office, Information & Training Centre for Community Use.

  Granted Full applications

• 26/0906/FUL Awaiting decision

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

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

  Received 16 Oct, published by the council 23 Oct 2026 Full applications
• 26/0907/FUL Awaiting decision

  Mid Glamorgan Service Station, New Cardiff Road, Aberdare, CF44 0AG

  THE INSTALLATION OF AN ATM & ASSOCIATED SIGNAGE (retrospective)

  Received 16 Oct, published by the council 21 Oct 2026 Full applications
• 26/0904/FUL Awaiting decision

  Coppins 3 Y Parc Groes-faen Pontyclun Rhondda Cynon Taf CF72 8NP

  First Floor Extension Over Garage.

  Received 15 Oct, published by the council 23 Oct 2026 Full applications
• 26/0905/FUL Awaiting decision

  7 Meadow Close Mountain Ash Rhondda Cynon Taf CF45 3DN

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

  Received 15 Oct, published by the council 23 Oct 2026 Full applications
• 26/0886/FUL Awaiting decision

  7 Harcourt Road Mountain Ash Rhondda Cynon Taf CF45 3PY

  First storey rear extension.

  Received 8 Oct, published by the council 21 Oct 2026 Full applications