draw your attention to the useful FAQ section of the government's website regarding Covid-19? Instead of asking questions here, why not consult the official guidelines? They answer all the questions I've seen crop up here over the last few weeks
Can I take my kids to the park to play football?
Can I take my autistic child to the beach?
Can I go to my vulnerable, elderly relative?
and more.
www.gov.uk/government/publications/coronavirus-outbreak-faqs-what-you-can-and-cant-do/coronavirus-outbreak-faqs-what-you-can-and-cant-do