All 3 and 4-year-olds in England already get 15 hours a week, or 570 hours a year of free early education. If their parents are living and working in England, 3 and 4-year-olds may be entitled to 30 hours free childcare. An extra 570 hours of free childcare a year, so 1140 hours in total. 30 hours free childcare will be available from September 2017.
You will need to check your eligibility for the 30 hours free childcare.
To do this apply online here: https://childcare-support.tax.service.gov.uk/par/app/applynow
To find out what other support you may be entitled to click here: https://www.childcarechoices.gov.uk/