Erwyd Dell Swansea Road Merthyr Tydfil CF48 1HN CF48 1HN

1. 28 Oct 2024

   Received by Merthyr Tydfil

2. 20 Dec 2024

   Decision issued: Certificate of Law Granted

3. 3 Sep 2026

   Added to PlanIndex

Merthyr Tydfil granted permission on 20 December 2024, 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 lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 74 Swansea Road Clwydyfawr Merthyr Tydfil CF48 1HR

  P/25/0239 Submitted 11 Sep 2025 150 yards away

  Retention of outbuilding for dog grooming parlour with garden shed and re-profiling of ground levels

  Granted Full applications 10 docs
  Small domestic

• 74 Swansea Road Swansea Road Merthyr Tydfil CF48 1HR

  P/24/0259 Submitted 8 Nov 2024 150 yards away

  Single storey side extension with alterations

  Granted Lawful development Extension 6 docs
  Small domestic

• 70 Swansea Road Swansea Road Merthyr Tydfil CF48 1HR

  P/26/0061 Submitted 27 Mar 2026 150 yards away

  Non material amendment of planning application P/25/0076 to include a roof light in the front roof slope of the two storey side extension

  Granted Amendments Extension Loft or dormer 5 docs

• 70 Swansea Road Swansea Road Merthyr Tydfil CF48 1HR

  P/25/0076 Submitted 28 Jul 2025 150 yards away

  Two storey and single storey side extension, installation of solar panels to roof, widened vehicular access and parking area and re-profiling of land

  Granted Full applications Extension 13 docs
  Small domestic

• 22 Cyfarthfa Mews Swansea Road Merthyr Tydfil CF48 1HZ

  P/26/0224 Submitted 9 Oct 2026 200 yards away

  92% historically approved · decision due ~4 Dec

  Change of use of land from commercial to residential use and construction of retaining walls

  Awaiting decision

• 56 Pantygerdynen Swansea Road Merthyr Tydfil CF48 1HR

  P/23/0148 Submitted 6 Sep 2024 300 yards away

  Change of use of garage to create a one bedroom annex with external balcony

  Granted Full applications 18 docs

• P/26/0088 Granted

  44 Webster Street Treharris CF46 5HP

  New solar panels to the rear of the property

  Received 29 Apr, published by the council 28 Jul 2026 Lawful development
• P/26/0081 Granted

  Penbwlcha Farm Treharris CF46 5RN

  Certificate of lawfulness for the siting of an existing caravan and its proposed residential use ancillary to the main dwelling.

  Received 30 Apr, published by the council 28 Jul 2026 Lawful development
• P/25/0338 Refused

  68 - 70 Brecon Road Merthyr Tydfil CF47 8NN

  Use of the property as a House in Multiple Occupancy (HMO)

  Received 18 Dec, published by the council 28 Jul 2026 Lawful development
• P/26/0074 Granted

  Unit 4 Pengarnddu Industrial Estate Dowlais Merthyr Tydfil CF48 2TA

  Installation of Solar PV panels to roof

  Received 8 Apr, published by the council 28 Jul 2026 Lawful development
• P/26/0050 Granted

  17 Parc Cwm Pant Bach Heolgerrig Merthyr Tydfil CF48 1TQ

  Certificate of Lawfulness for single storey rear extension

  Received 12 Mar, published by the council 28 Jul 2026 Lawful development