56 Penybryn Penydarren Merthyr Tydfil CF47 9YY

1. 8 Nov 2024

   Received by Merthyr Tydfil

2. 28 Nov 2024

   Decision issued: Certificate of Law Granted

3. 14 Aug 2026

   Added to PlanIndex

Merthyr Tydfil granted permission on 28 November 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.

• 46 Garden City Penydarren Merthyr Tydfil CF47 9YT

  P/23/0097 Submitted 18 Apr 2023 150 yards away

  First floor rear extension

  Granted Full applications Extension 5 docs

• 46 Garden City Penydarren Merthyr Tydfil CF47 9YT

  P/25/0340 Submitted 19 Dec 2025 150 yards away

  Construct side extension

  Refused Full applications Extension 5 docs

• 46 Garden City Penydarren Merthyr Tydfil CF47 9YT

  P/25/0254 Submitted 24 Sep 2025 150 yards away

  Construct two storey side garage extension

  Refused Full applications Extension 4 docs

• 107 And 108 Haydn Terrace Penydarren Merthyr Tydfil

  P/21/0232 Submitted 1 Jul 2021 200 yards away

  Refurbishment of flats, including the installation of external render and new windows

  Granted Full applications New dwelling Windows or glazing 9 docs

• 4 Penybryn Villas Penydarren Merthyr Tydfil CF47 9YD

  P/26/0059 Submitted 23 Mar 2026 200 yards away

  85% historically approved · decision due ~18 May

  Construct garage to the rear of the property with associated ground profiling works

  Status unknown Full applications 3 docs

• 71 Ninth Avenue Galon Uchaf Merthyr Tydfil CF47 9TN

  P/21/0001 Submitted 4 Jan 2021 250 yards away

  Proposed two storey rear extension

  Granted Full applications Extension 10 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