Mortgage Protection Insurance for my UK home. I need it, but which insurance company shall I choose?

I have been offerred mortgage payment protection insurance by my mortgage lender, but it seems a bit expensive. I think my job is OK, but I do worry as there have been a few people made redundant recently

How can you have a great financial credit score but a lousy home insurance credit score?

My wife and I are in the process of buying a house. We were able to get an 80/15/5 mortgage totalling about $450,000 with no problems since our credit scores are both in the 780s. However, when we applied for home insurance we got rejected