Llancaiach Fawr Manor has been awarded a £900,000 grant, which will see the former servants' quarters in a hidden attic opened up to the public for the first time.
The Grade One listed Tudor mansion in Nelson, near Caerphilly, is restored and furnished as it would have been in the seventeeth century, as Hannah Thomas reports.
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Western Power Distribution say around 500 homes are without power due to damage caused by Storm Brian.
Helping young people 'earn, learn or serve' is among the policies Plaid Cymru will focus on ahead of the next election.
Trains have been cancelled and roads closed across Wales today after Storm Brian has been causing disruption.