16 Heol Y Glyn Treharris CF46 5RX

1. 24 Nov 2025

   Received by Merthyr Tydfil

2. 14 Jan 2026

   Decision issued: Full Approval

3. 28 Jul 2026

   Added to PlanIndex

Merthyr Tydfil granted permission on 14 January 2026, 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.

• 11 Heather Court Quakers Yard Treharris CF46 5RP

  P/26/0116 Submitted 2 Jun 2026 100 yards away

  Discharge of condition 4 (biodiversity enhancement) of planning permission P/25/0129 for two storey rear extension

  Granted Conditions Extension 4 docs

• 35 Heol Y Glyn Treharris CF46 5RX

  P/26/0091 Submitted 30 Apr 2026 100 yards away

  Discharge of Condition 3 (enhancement and net benefit) of planning permission P/26/0051

  Granted Conditions 6 docs

• 35 Heol Y Glyn Treharris CF46 5RX

  P/26/0051 Submitted 13 Mar 2026 100 yards away

  Single storey front garage extension, new vehicular access and boundary wall

  Granted Full applications Extension 11 docs
  Small domestic

• 35 Heol Y Glyn Treharris CF46 5RX

  P/26/0007 Submitted 9 Jan 2026 100 yards away

  Single storey front garage extension

  Refused Full applications Extension 9 docs
  Small domestic

• 19 Heather Court Quakers Yard Treharris CF46 5RP

  P/23/0056 Submitted 27 Feb 2023 150 yards away

  Single storey extension to the rear of the garage. Convert part of garage into office

  Granted Full applications Extension 5 docs
  Small domestic

• The Gables 7 The Ferns Quakers Yard Treharris CF46 5LQ

  P/23/0069 Submitted 20 Mar 2023 200 yards away

  Crown reduction of mature oak tree by 30 per cent

  Granted Trees 4 docs

• P/26/0176 Status unknown

  36 Berry Square Dowlais Merthyr Tydfil CF48 3AL

  Erection of two storey side extension, and the repositioning of parking area and vehicular entrance.

  Received 23 Sep, published by the council 13 Aug 2026 Full applications
• P/26/0189 Status unknown

  National Grid Electricity Distribution South Wales Dowlais Grid Substation Pengarnddu Dowlais Merthyr Tydfil

  Removal of the existing tower and installation of new tower with new antennas and transmission dishes, emergency back up generator, cable gantry, feeder cables and associated access track, etc.

  Received 25 Aug, published by the council 2 Sep 2026 Full applications
• P/26/0078 Granted

  73 Nightingale Street Abercanaid Merthyr Tydfil CF48 1EJ

  Single storey rear extension

  Received 13 Apr, published by the council 28 Jul 2026 Full applications
• P/26/0098 Granted

  25 Heather Court Quakers Yard Treharris CF46 5RP

  Erection of single storey extension

  Received 12 May, published by the council 28 Jul 2026 Full applications
• P/26/0096 Granted

  61 High Street Merthyr Tydfil CF47 8DE

  Change of use from shop to pilates studio/health suite/shop and replacement shop front

  Received 30 Apr, published by the council 28 Jul 2026 Full applications