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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An Amber weather warning has been issued for Conwy, Denbighshire, Flintshire, Gwynedd, Isle of Anglesey, Powys, Wrexham and Ceredigion.
Storm Doris will bring a squally band of rain at first with disruptive gales, especially further north.
Winds will strengthen to gale force by dawn, these severe across exposed coasts and hills particularly in the southwest.