Thompson was born and raised in the London Borough of Havering (Hornchurch, Upminster), England.

[1] She left the BBC in 2002 and later became a freelance radio broadcast assistant with an independent production company.

[2] A review in Kirkus wrote that the book "strikes the perfect balance, seemingly without compromise, between an issue-driven novel and one with broad, commercial appeal."

[6] Thompson's first novella, Owen and the Soldier (2019), was published by Barrington Stoke and became the first dyslexia-friendly title to be shortlisted for the Blue Peter Book Awards.

The Rollercoaster Boy and The Treasure Hunters were released in 2022 and 2023 respectively, as were Sidney Makes a Wish and Carrie and the Roller Boots, two stories for younger children with illustrations by Jess Rose, which were her fourth and fifth titles for Barrington Stoke.