Charity was born in Uganda, brought up in draughty vicarages in Yorkshire and Birmingham, met her future husband under a lorry in the Sahara. She worked as a barrister in York Chambers, until - realising that her three children had barely met her - she moved with her family to New Zealand and began to write.

After the Fall/Second Chances was a Richard & Judy and World Book Night title, The New Woman/ The Secret Life of Luke Livingstone a BBC Radio 2 choice. See You in September (2017) was shortlisted in the Ngaio Marsh Awards. The Secrets of Strangers was a Radio 2 choice and shortlisted for the Ngaio Marsh and Ned Kelly Awards. Her seventh, Remember Me, was published in March 2022.