[1][2] Her style of writing has been considered part of "The New Gross", called "unabashedly transgressive", and thought akin to Daphne du Maurier, Angela Carter, and M.R.
[3][4][5] In addition to writing fiction, her poetry and short essays have been published in a variety of magazines, including datableed, The Final Girls, and Glass: A Journal of Poetry.
[9][10] Rumfitt's debut novel Tell Me I'm Worthless was published in the US in January 2023 to positive reviews.
[12] The New York Times described it as, "made up of terse, glowering prose and grimy sex scenes, the novel is perhaps best described as “The Last of Us” dunked in the toilet bowl of Samuel R. Delany's impressively foul, taboo-shattering 'Hogg.'
"[13] In 2024, it was confirmed that Rumfitt had written a novelisation of the Doctor Who episode Space Babies.