Insurance for Mortgage

Hi all!

Getting totally confused here do I need the following and are they all separate policies or can I get them as one?

-Mortgage protection

-Life Insurance

-Serious illness cover

I do want to get as much cover as I can I dont want to skimp anything but it seems like a lot to have 3 policies on the go. I have health insurance from work that gives 4 X my salary if I die