@beeniebeamer
You're so right, life can change so quickly. I think you're very right to be cautious about selling. Once you've sold, the cost to rebuy at a later date somewhere will include stamp duty (potentially), solicitors fees, removal costs and searches not to mention the fees to actually sell your house. That's also if you're term is up with your bank. If its not, there could also be an early repayment charge.
I think the £600 debt repayment is where you start. Have you contacted any to temporarily freeze payment or even interest?
There are free phonelines that offer debt consolidation advice. This I think is the first place to examine every option.
Someone said life insurance is a luxury. Don’t get rid of it. I know it is a luxury but if something did happen to you or your partner, think about how you're struggling now. Without an extra person for an extra income, you'd not be in a good place financially. Could you look at switching to a new deal though?
What about weekly food shops? Do you plan a menu for breakfast, lunch and dinner and ONLY buy that. Scour the Internet for cashback deals or discounts with online food shops.
You can get cashback on changing your insurance provider, I got £75 just to move to Admiral. Cashback also for changing bank account. A faff i know but I am sure HSBC are offering £175 to new customers.
Petrol, are you looking around for cheapest prices? There is a website that compares prices daily. In a month it could save you nearly £20-£30.
Shaving off pennies in all places and switching accounts etc could save £100ish a month and raise £100-£200 as a one off.
I hope you get yourself sorted. Try to keep your asset where possible and good luck.