BE glad Anya wasn't with you guys on your trip. "BUNNIES BUNNIES IT MUST BE BUNNIES!!" I am sure not one got that unless they watched Buffy!!
I'm enough of a historical geek to note that, like the original series, this place just didn't look like it could have been built in 1795.
I actually love that back history for the house because it potentially opened a whole slew of storyline opportunities with the house dating back much farther than on the original show - especially if one considers when that style of English Tudor architecture first appeared in England. But alas...