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Planning in Merthyr

Decided by Carmarthenshire County CouncilCouncil page

Around Merthyr

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About Merthyr

Merthyr Tydfil, the principal town of Merthyr Tydfil County Borough in Wales, is located approximately 23 miles north of Cardiff. Known simply as Merthyr, the town derives its name from Tydfil, the daughter of King Brychan, who is said to have been martyred there around 480 CE. The name "Merthyr" translates to "martyr" in modern Welsh, reflecting its historical significance as a place of worship. This vibrant town, with its rich heritage, is a key area for planning applications in the region. It sits within the Carmarthenshire district.

Property prices in Merthyr show an average sale price of £254,355, based on 50 recent transactions recorded by HM Land Registry.

For anyone interested in property development or monitoring local planning decisions, Merthyr planning applications can be searched by entering a local postcode above. Results include full application details, decision status, and the ability to track applications over time and set planning alerts to help you monitor and review pending planning applications.

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

To comment on or object to a planning application near Merthyr, open it in the list above: each one links to the council's own page for it and shows any comment deadline.