On the back of the NI increase.
If an elderly person living alone moves into a care home, well, why wouldn't they sell their house anyway? They're not going to be going back to live there, the house would be sitting empty and we don't have enough houses for people to live in. The elderly person would then also have a huge amount of money to supplement their income in their last few years. As far as I can see the benefits for everyone far outweigh any reasons for keeping the house.
For what it's worth, I don't think there should have been an NI rise or people paying a fortune for their own care. I think inheritance tax should have been increased instead. I don't get the outrage about selling houses nobody lives in though.