Apart from the draftiness, your situation describes my wife's ultimate dream. Unfortunately, our respective realities trod all over that! As it stands, in our current situation, the newer landlord's hands off stance has added to our already high frustration levels. It seems like nobody wants...
I've found that sometimes what it takes is an obsessional shift!
For me, this has recently taken the form of channeling any spare funds towards relocating to another part of the province where the winters are a bit shorter and less cold, and hopefully break our string of horrible next door...