I have 7 year old twins and I have a few tips to share about places that are interesting and enjoyable. Also the after school clubs that are NW8 local and very recommended.
A special place to send children for their first experience of nursery is the North London Forest School.
Ballet Train My 7 year daughter has attended weekly ballet classes at Ballet Train. The teaching is extremely professional and kind. Many children continue studying there until they are teenagers. Many students also are selected from Ballet Train to join London Children’s Ballet whose performances are very good.
Primrose Hill Children’s Choir A small choir for children who are very interested in singing. A chance for children to learn how to sing and have an opportunity to perform regularly.
If you as a mum or Dad are interested in singing please consider Belsize Community Choir. I am a member and we have a great community of singers.
Our past performances: https://belsizecommunitychoir.wordpress.com/video-recordings/
A highly recommended judo club serving the NW8 area. The standard of instruction is very good, with the main teacher Glenn doing an excellent job with the kids and adults. Please have a look at some of the workshops that they have done.