He also worked as a performance poet contributing regularly to festivals and spoken-word events across the UK, including Glastonbury, Latitude, Shambala, Port Eliot and the Cheltenham Literature Festival. His poetry has been broadcast on television and radio, including BBC Radio 4's Bespoken Word and Wondermentalist Cabaret.[8] In 2005 Filer's comedy short film Oedipus won the BBC Best New Filmmaker Award and numerous international prizes.[9]
The Shock of the Fall describes the life of a boy from Bristol dealing with his grief at the death of his brother, and experience of mental health care services for schizophrenia.[10][11][12] Reviewing the book in The Psychologist, Caroline Flurey writes, "This is a beautifully poignant book, written with sympathy and sensitivity, well deserving of its Costa Book of the Year award."[13]
Filer has written on a range of issues for The Guardian.[14][15][16] A story he wrote for The New York Times[17] that described working with the International Solidarity Movement in Palestine was adapted for an episode of the Israeli prime time radio show, Israel Story, featuring Filer and his partner.[18] He has also been a panelist on the BBC Radio 2 Book Club, BBC Radio 3's Free Thinking and BBC Radio 4's Open Book, Front Row, All in the Mind and the Today Programme.[4] In 2017 he presented an Archive on 4 documentary entitled The Mind in the Media in which he explored representations of mental illness and their impact.[19] This was shortlisted for a Mind Media Award in the best radio programme category.[20]
Nathan Filer's first book of non-fiction, The Heartland: Finding and Losing Schizophrenia, was published by Faber and Faber in 2019. It was a Sunday Times Book of the Year[21] and the charity, Rethink Mental Illness, named it as one of their Mental Health Books of the Decade.[22] It was also longlisted for the Rathbones Folio Prize.[23]
In 2021, Filer presented a five-part podcast series called Why Do I Feel? This was a Financial Times Top 10 podcast of the year.[24] It was praised by the paper for 'counterbalancing bleak stories with moments of levity, successfully steering clear of the clichés of most mental health podcasts'.[25] It also won a silver award at the 2022 Radio AcademyARIAS in the 'Best Independent Podcast' category.
Filer has been awarded the honorary degree of Master of Letters from the University of the West of England[26] and the honorary degree of Doctor of Liberal Arts from Abertay University.[27] These degrees were conferred in recognition of his role in raising awareness through literature and his commitment to mental health care.[26][27]