44 Webster Street Treharris CF46 5HP

1. 29 Apr 2026

   Received by Merthyr Tydfil

2. 30 Jun 2026

   Decision issued: Certificate of Law Granted

3. 28 Jul 2026

   Added to PlanIndex

• Application: P/97/0158

Merthyr Tydfil granted permission on 30 June 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 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.

• 41 Webster Street Treharris CF46 5HP

  P/21/0255 Submitted 19 Jul 2021 36m away

  Erection of single storey rear extension and associated external alterations

  Granted Full applications Extension 7 docs
  Small domestic

• 26 Webster Street Treharris CF46 5HP

  P/21/0233 Submitted 29 Jun 2021 74m away

  Two storey rear extension and associated retaining works

  Granted Full applications Extension 5 docs

• Treharris Rugby Club Forest Road Treharris CF46 5ET

  P/22/0256 Submitted 20 Sep 2022 110m away

  Siting of 6 floodlighting columns (and lights)

  Granted Full applications 13 docs

• 2 Parc Wenallt Treharris CF46 5HX

  P/26/0024 Submitted 6 Feb 2026 148m away

  Erect timber decking in the rear garden

  Granted Full applications 5 docs

• 2 Parc Wenallt Treharris CF46 5HX

  P/26/0168 Submitted 21 Jul 2026 188m away

  Discharge condition 3 (planting scheme) of planning permission P/26/0024

  Granted 3 docs

• 20 Williams Terrace Treharris CF46 5HH

  P/26/0162 Submitted 15 Jul 2026 226m away

  92% historically approved · decision due ~9 Sep

  First floor rear extension

  Awaiting decision Extension

• 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
• P/26/0021 Granted

  Coedcae Stores Dowlais Merthyr Tydfil CF48 3PU

  Certificate of Lawfulness for a proposed use as a hairdressers (A1 Use Class) from Financial and professional services (A1 Use Class)

  4 Mar 2026 Lawful development