Possible Clues:

• Royal house party covered by Heat the wrong way
• Welsh royal family
• Royal family's impromptu do retainer conceals
• Resistance shown by Workers' Party to Royal Family
• Richard ended in defeat; over to Henry
• Soundly munched on a house
• Henry VII and Henry VIII, for two
• Old house's study needing work after demolition of wings
• Royal house of Henry VIII
• Elizabeth I or Henry VIII