The new 15 hours funding for eligible working parents applies from September 2024. 
To apply :
1) Check the eligibility criteria on gov.uk
2) Apply on www.gov.uk
3) Have the following information to hand : 
- National Insurance Number or unique taxpayer reference if self employed
- The date you started or are due to start work
- details of any government support or benefits you receive 
- The UK birth certificate reference number for your child
4) Approvals can take up to 7 days - You will receive a code to give to your childcare provider.