https://www.ccenfield.org/timetable/ These are free, pick your nearest or one you are happy to travel to, its once a week, you call to book usually the week before.
Enfield Town library have some free sessions in the week which are fun. Stories, nursery rhymes etc
https://www.enfield.gov.uk/services/libraries/events-in-enfield-libraries
If you’re breastfeeding then there is a friendly drop-in group at the Dugdale centre every Wednesday afternoon where the ladies sit and chat. Your Health Visitor should give you more info but let me know if any questions.
Your health visitor should sign post you to local children’s centre where they have groups and activities. They should visit you at home between day 10-14