The beginning of the end
After Mary Ann remarried the house was sold to Henry Grant in
1811 for the sum of £100,000 he lived in Gnoll House until his
death in 1832. His son Henry John Grant remained at the Gnoll and
sold a substantial part of the estate in 1857 shortly before his
The estate passed to his cousin Charles Evan Thomas who in 1881
demolished the east wing of the house and removed the castellated
ornamentation because of tax liabilties.
During the next 40 years the house had several occupants and in
1923 Neath Borough Council took over ownership. The council found
no permenant use for the house and its condition slowly
The house was used from 1925 for a number of years as a health
clinic for Neath and Port Talbot areas. And during the second world
war it was used for exercises and training of A.R.P. personnel.
The Gnoll Today
By 1957 the house was abandoned therfore the only course of
action the council could take was to demolish the house. Gnoll
Estate fell into decline through the 20th century until restoration
works started in 1984.
These works began at Mosshouse Woods and were then extended to
the area of the former Gnoll house. In 1987 the Estate was granted
the status of a country park by the the countryside commision,
later the countryside council for Wales.
Today Gnoll Estate Country Park has undergone a number of
restorations to capture the features that have shaped the history
of the Estate.