For information on how to book free in-person cycle training for adults, and some on line training resources, see the TfL website here (link).
Sustrans is offering free cycle training in Valence Park, Dagenham, for children and adults. Book your slot here (link).
Cycle training for children is normally provided by / arranged through their school. To find out contact the school office and/or head teacher.
For detailed information on ‘Bikeability’ (National Standards cycle training), see their website here (link).