Llancaiach Fawr Manor has been awarded a £943,200 grant, which will see its hidden attic - a former servants' quarters - opened up to the public for the very first time.
The Grade I listed Tudor mansion in Nelson, near Caerphilly, is restored and furnished as it would have been in 1645. The money will be used to improve and conserve the attraction, and also provide better access for wheelchair users.
Cllr Ken James at Caerphilly County Borough Council said the Heritage Lottery funding 'would help transform the way the past is presented to a modern audience'.
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Annie Lovelock was last seen around 3.30pm yesterday. Police are urging anyone who sees Annie to get in touch by calling 101.
Cloudy this evening with outbreaks of rain becoming widespread and locally heavy for a time over Snowdonia.
Fly-tipping had increased by a quarter in a county where wheelie bins may soon be emptied only every four weeks, Tories have warned.