Anthony Clay, from estate agents Knight Frank, said: "Penllyn Castle is one of the most important houses, if not the most important house, in the Vale of Glamorgan.

A Christmas message from CLA Wales chairman John Homfray of the Penllyn Estate, Cowbridge, speculates on the future for dairy farming in Wales A Christmas message from CLA Wales chairman John ...

Records kept at the Penllyn Estate, near Cowbridge, show that 17in of rain fell in July and August and a further 5in in the first nine days of September.

Selling high-quality product also helps justify the 1863t of greenhouse gases produced annually on the Penllyn Estate by up to 1000 cattle, 400 ewes and their lambs.