The building contains the original printing press, restored to working order, and the gardens remain as an example of the Victorian and Edwardian gardens typical of the latter owners.
Though few may have seen the Edwardian garden and its 18th-century farmhouse a mile or so from this market town in mid-Wales, readers all over the world have been following its progress.
The Grade I citation reads "The gardens at Dyffryn are the grandest and most outstanding Edwardian gardens in Wales.
The Georgian landscape, Victorian shrubbery and terrace and the formal Edwardian gardens combine to create biodiversity and interest for visitors.
The Edwardian gardens feature sculpted topiary, a sunken garden, a summerhouse, walled gardens, fountains, a lily pond and a bowling lawn leading on to wooded walks.
Mount Ephraim Gardens is an Edwardian terraced gardens located at Hernhill, near Boughton Street, UK .
There were walks through an Edwardian garden planted with Cretan flowering shrubs and perennials.
When Sarah and Philip Marsh bought the Coombe Trenchard estate in 2007, it was its wildly beautiful Edwardian garden that caught their imagination.
Dyffryn House and its Edwardian garden are Grade I listed buildings and are to be leased to the National Trust.
In the area The Georgian, Victorian and Edwardian gardens at Hestercombe (01823 413923; www.hestercombe.com).