13 Heol Rhos Las Gellideg Swansea Road Merthyr Tydfil CF48 1HF

1. 6 Jun 2021

   Received by Merthyr Tydfil

2. 13 Jul 2021

   Decision issued: Certificate of Law Granted

3. 16 Sep 2026

   Added to PlanIndex

Merthyr Tydfil granted permission on 13 July 2021, 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.

• Gellideg Foundation Action Centre Shop 23 Heol Tai Mawr Gellideg Swansea Road Merthyr Tydfil CF48 1ND

  P/21/0226 Submitted 21 Jun 2021 146m away

  Change of use from cafe to beauty parlour and associated external alterations

  Granted Full applications 10 docs

• Land At Trago Mills Swansea Road Merthyr Tydfil

  P/20/0031 Submitted 29 Jan 2020 344m away

  85% historically approved · decision due ~25 Mar

  Construction of petrol filling station with canopy and retail building, with associated auto carwash, jet wash facilities and valeting air/water facilities

  Awaiting decision Full applications 19 docs

• 7 Heol Parc Maen Gellideg Swansea Road Merthyr Tydfil CF48 1LF

  P/21/0150 Submitted 20 Apr 2021 355m away

  Erection of rear single storey extension, front porch and steps, and new roof canopy, wall and fence to side elevation

  Granted Full applications Extension Roofing 5 docs
  Small domestic

• 56 Pantygerdynen Swansea Road Merthyr Tydfil CF48 1HR

  P/23/0148 Submitted 6 Sep 2024 362m away

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

  Granted Full applications 18 docs

• 70 Swansea Road Swansea Road Merthyr Tydfil CF48 1HR

  P/25/0076 Submitted 28 Jul 2025 373m 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

• 70 Swansea Road Swansea Road Merthyr Tydfil CF48 1HR

  P/26/0061 Submitted 27 Mar 2026 375m 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

• P/26/0088 Granted

  44 Webster Street Treharris CF46 5HP

  New solar panels to the rear of the property

  29 Apr 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.

  30 Apr 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)

  18 Dec 2025 Lawful development
• P/26/0074 Granted

  Unit 4 Pengarnddu Industrial Estate Dowlais Merthyr Tydfil CF48 2TA

  Installation of Solar PV panels to roof

  8 Apr 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

  12 Mar 2026 Lawful development