The charity Mind have lots of useful advice and tips about how to protect your mental health and reduce anxiety about Coronavirus.
The Conversations has an article on staying connected and reducing loneliness whilst you are in isolation.
Age UK have launched a new telephone service for older people who need support if they are self-isolating. Call 01865 411 288 and leave your name and number, someone will call you weekly to see how you are, chat and offer practical support if needed.
One way you can help improve your mental health if you are self-isolating is by staying active. These organisations have produced tips and guides for people to stay active: