Please refer to the official government guidance for the step 4 of COVID-19 Lockdown roadmap. The information related to Early Years Providers is here: https://www.gov.uk/government/publications/what-parents-and-carers-need-to-know-about-early-years-providers-schools-and-colleges-during-the-coronavirus-covid-19-outbreak/step-4-update-what-parents-and-carers-need-to-know-about-early-years-providers-schools-and-colleges