upwind, you clear ARE too young to remember the previous housing crisis of the early 90s when many many more people were in a worse predicament than they are now, inflation was nearer 4%, interest rates were 15%, people were in massive negative equity and really struggling.
A bit of history wouldn't go amiss here either: house prices have risen and risen the whole 20th century, bar a few economic blips. On the whole, it is the Tories who have promoted policies to stoke this process, including in 1984, the deregulation of the financial services industry which made it much easier to get a mortgage from any old Tom, Dick or Harry. THIS is what created the housing crisis in the 1990s.
The crisis now is problematic but it is much worse in the papers than it is in real life. I doubt that owners of second homes are more represented within Labour voters than Tories TBH. By quite a long way. I can probably find the real evidence for you if you like.