Deletion of Sackville House

Comment: This is a well-referenced article about a property designated as a historic place by the federal government, a designation which requires a higher standard of notability than . I have a suspicion that this is in response to Wikipedia:Articles for deletion/Most weeks ranked number 1 (NCAA football)|this AfD, where the article's creator and the IP who https://en.wikipedia.org/w/index.php?title=Sackville_House&diff=577576612&oldid=575944158 nominated this page had a difference of opinion
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG)