Historical clue formulations

• Stately homes — 2022-11-01
• Feudal residences — 2022-09-06
• Homes that may have butlers — 2022-08-07
• Homes staffed with butlers, say — 2020-10-25
• Shop houses — 2016-09-15
• Homes that may have circular drives — 2011-07-18
• Plantations' stations — 1999-05-23
• Parts of estates — 1996-05-25
• Plantation homes — 1994-05-29