Costa Book Awards 2020s: A decade of winners

The early 2020s marked a fascinating moment for the Costa Book Awards, a prize that has long championed literary achievement across genres while maintaining a distinctly British sensibility. As the world retreated indoors and reading became both solace and escape, the Costa Book Awards—Britain and Ireland’s most prestigious reader-voted book prize—showcased a remarkable diversity of voices and stories. From Monique Roffey’s enchanting The Mermaid of Black Conch to Claire Fuller’s deeply unsettling Unsettled Ground, the awards revealed an appetite for narratives that grappled with connection, displacement, and the peculiarities of human longing. These weren’t just escapist reads; they were books that met readers where they were, offering both imaginative transport and uncomfortable truths.

What stands out across these opening years of the decade is how the Costa Awards reflected a widening aperture in literary recognition. Caleb Azumah Nelson’s debut Open Water brought a fresh, poetic sensibility to contemporary fiction, while Lee Lawrence’s The Louder I Will Sing—a biography that recounts his mother’s search for identity across continents—demonstrated the prize’s commitment to life stories that matter. The poetry category, anchored by luminaries like Eavan Boland, remained a vital space where the awards continued to elevate work that might otherwise find smaller audiences. Whether through children’s literature, debut novels, or verses, the Costa Book Awards in 2020 and 2021 sent a clear signal: great books come in many forms, and readers would decide what deserves to win.

Below, explore the complete list of Costa Book Awards winners from this pivotal decade.