You could try contacting your utility companies to see if there is any help that they can give you.
For rent or mortgage payments, the government has introduced support to make sure people are protected if they are struggling financially due to coronavirus.
Government support available for landlords and renters during coronavirus (GOV.UK)
Mortgages and coronavirus (Financial Conduct Authority)
Support with Council Tax during coronavirus
Food banks are community organisations that support people who cannot afford the essentials. Search online for your local food bank or find a food bank on the Trussell Trust website.
Find a food bank (Trussell Trust)