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.
More top news
All this week we're looking at some of this year's winners from the Black History Month Youth Award.
Tonight's specially extended Wales This Week, looks back at the case of Gordon Anglesea, who was convicted of indecent assault last week.
The parents of Private Cheryl James who was found dead at Deepcut Barracks more than 20 years ago have been given a human rights award.