Wales’ only thermal spring could power local primary school under proposed plans

Wales’ only thermal spring could be used to heat rooms at a local primary school in Taff’s Well near Cardiff.

Water from the thermal spring in the village of Taff’s Well could be used as a renewable energy source to heat Ffynnon Taf Primary School, under a planned project which would cost around £3million.

Taffs Well thermal spring, which runs constantly at 21C (70F), flows into the River Taff some 8 km north of Cardiff. Research and monitoring by British Geological Survey has proved the age of the spring water to having fallen as rain in the hills 25km to the north some 5,000 years ago.

The well has been contained within a brick well structure and building. The brick-lined well inside the Grade II-listed building has fallen into disrepair but Rhondda Cynon Taf Council wants the power of the spring to heat a new school block alongside the Victorian-style main building, according to the BBC.

The proposed new block will house four classrooms, a new school hall and an upgrade of the existing yard.

Nuvision Energy Wales, who have been appointed by Rhondda Cynon Council to construct two heat pumps using the Taffs Well Thermal Spring as the renewable energy source, said that heat will be extracted through heat exchangers connected to the existing discharge pipe leading to the river and transferred in insulated pipes to the new heat pumps at the School and a nearby Park Pavillion.

Councillor Joy Rosser, Rhondda Cynon Taf Council’s Cabinet Member for Education and Inclusion Services, said: “The Ffynnon Taf Primary development…is a particularly exciting project, proposing to use Wales’ only naturally-occurring thermal spring to heat a new school extension – along with solar power to compensate for any electricity used in the process. One of the Council’s major ongoing priorities is to become a carbon neutral organisation by 2030, and this is a very innovative project towards that goal which can’t be replicated anywhere else in Wales.” 

“The plans will be considered by the Council’s Planning and Development Committee in due course, and if approved would provide a unique project for the local community.”

Rosa Medea is Life & Soul Magazine’s Chief. She writes about lifestyles including sustainable and green living. She also offers content services to businesses and individuals at

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