You could always turn your daughter's room into the temporary play room?? Move some of her things that aren't for play with everyone.
I myself would not go to someone's house..but it's all about your comfort level and the relationship you have with these people.
I'm with Spixie33...for me, going to someone's house is like babysitting. I work hard at my job and hate being called that. When someone asks me if I am a baby sitter ~ my response is that I don't sit on the babies!! But then..I'm a little sensitive with that one