Yup, buildings and contents insurance,
The best energy deal you can find.
The best broadband deal you can find - use comparison sites.
If your house doesn’t have a water meter and you live alone, it may well be cheaper to have a meter, provided free in England and Wales but you have to pay for installation in Scotland and apparently it isn’t cheap. We bought a new build and a water meter was fitted at build.
If you have gas central heating, make sure you get the boiler serviced if it hasn’t been done for a while. You’d be amazed at just how many people never bother getting the boiler serviced.
Consider changing the locks, you have absolutely no idea just who might have a spare key to the property.
Don’t forget to get your mail redirected for up to six months from your previous address. I did mine for a year. You have to pay I think, but there’s piece of mind private mail won’t go missing. Consider joining the Mailing Preference Service to stop junk mail coming through the door. Any mail through the door for previous occupants, just write Return to Sender addressee not known, and shove it back in the nearest postbox. I promise you, mail for previous occupants will soon stop because companies don’t like paying for the return postage.
Make sure you’re on the Electoral Roll. It helps with your credit rating believe it or not. You have an option not to appear on the Open Register, I’m personally not registered on the Open Register.