Some 3-4 year olds from working families will be entitled to 30 hours of funded childcare a week across term time. The link below explains who is eligible and how to apply.
Gov UK 30 hours funded childcare for 3-4 year olds of working parents
School Guidance for 30 Hours (3-4) and FAQs
Your child's 3rd birthday - When to apply
1 September to 31 December - The term before 1 January
1 January to 31 March - The term before 1 April
1 April to 31 August - The term before 1 September
You can apply from when your child is 2 years and 36 weeks