Brynhyfryd House Cilsanws Lane Cefn Coed Merthyr Tydfil CF48 2NU

1. 25 Nov 2025

   Received by Merthyr Tydfil

2. 5 Feb 2026

   Decision issued: Full Approval

3. 28 Jul 2026

   Added to PlanIndex

• Application: P/17/0213

Merthyr Tydfil granted permission on 5 February 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.

• Yr Hafod Heol-Y-Mynydd Cefn Coed Merthyr Tydfil CF48 2NQ

  P/26/0054 Submitted 16 Mar 2026 50 yards away

  85% historically approved · decision due ~11 May

  Single storey front extension

  Status unknown Full applications Extension 3 docs
  Small domestic

• Yr-Hafod Heol-y-mynydd Cefn Coed Merthyr Tydfil CF48 2NQ

  P/25/0220 Submitted 7 Aug 2025 50 yards away

  Non-material amendment to application P/25/0031 to alter the external finishes of the approved extension from Marley Cedral cladding to a dark grey resin render finish

  Granted Amendments Extension 10 docs

• Cotham Heol-y-mynydd Cefn Coed Merthyr Tydfil CF48 2NQ

  P/26/0132 Submitted 17 Jun 2026 100 yards away

  Lawful Development Certificate for a proposed single storey rear extension

  Granted Extension
  Small domestic

• Garage On Cilsanws Lane Cilsanws Lane Cefn Coed CF48 2NU

  P/25/0252 Submitted 23 Sep 2025 150 yards away

  Extension to detached garage

  Granted Full applications Extension 6 docs

• Woodstock Somerset Lane Cefn Coed Merthyr Tydfil CF48 2PA

  P/21/0124 Submitted 8 Apr 2021 150 yards away

  Attic conversion comprising of an increase in roof ridge height and change from hipped roof to gable roof with dormers to front, rear and side

  Refused Full applications Loft or dormer Roofing 9 docs

• 7 Somerset Close Cefn Coed Merthyr Tydfil CF48 2NY

  P/23/0049 Submitted 22 Mar 2023 150 yards away

  Proposed side extension and new roof with dormers

  Withdrawn Full applications Extension Loft or dormer +1 4 docs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