Historical clue formulations

• Attaches — 2025-09-08
• Appends — 2024-05-11
• Appends — 2018-05-18
• Builds a new room, say — 2016-03-30
• Builds a wing, say — 2015-06-10
• Expands, in a way — 2014-03-23
• Builds an extension — 2009-12-09
• Makes the house bigger — 2000-11-09
• Appends — 1999-10-26