Similar problem to everyone else, though my CTDs are not limited to housing or DH. Yes, I do get a nearly 100% crash rate when entering Breezehome and a slightly lesser crash rate when entering/exiting other homes, but I am getting the problem elsewhere as well. For instance, I've had CTDs when moving between the Ragged Flagon and the Thieves Guild Cistern. Really, any door that requires a loading screen has a good chance of causing a CTD for me. There doesn't seem to be much of a time element involved, except that I almost never get a crash if I've just loaded up the game in the last few minutes. Seems as with everyone else this is a 1.5 issue. I was one of the lucky ones who almost never had a glitch in the game prior to this patch, even when the game was first released.