| 2024 | Small Worlds | Swansea University Dylan Thomas Prize source ↗ (opens in a new tab) | Winner · Literature | |
| 2023 | Small Worlds | The Orwell Prize (book prizes) source ↗ (opens in a new tab) | Shortlist · Political Fiction | |
| 2023 | Small Worlds | The Boston Globe Best Books of the Year source ↗ (opens in a new tab) | Selection · Fiction | |
| 2023 | Small Worlds | Publishers Weekly Best Books source ↗ (opens in a new tab) | Selection · Fiction | |
| 2022 | Open Water | British Book Awards source ↗ (opens in a new tab) | Winner · Debut Book of the Year | |
| 2022 | Open Water | Swansea University Dylan Thomas Prize source ↗ (opens in a new tab) | Shortlist · Literature | |
| 2021 | Open Water | Costa Book Awards source ↗ (opens in a new tab) | Winner · First Novel | |
| 2021 | Open Water | Waterstones Book of the Year source ↗ (opens in a new tab) | Shortlist · Book of the Year | |
| 2021 | Open Water | Desmond Elliott Prize source ↗ (opens in a new tab) | Longlist · Fiction | |
| 2021 | Open Water | Goodreads Choice Awards source ↗ (opens in a new tab) | Nominee · Debut Novel | |
| 2021 | Open Water | TIME Best Books of the Year source ↗ (opens in a new tab) | Selection · 100 Must-Read | |
| 2021 | Open Water | The Guardian Best Books of the Year source ↗ (opens in a new tab) | Selection · Fiction | |
| 2021 | Open Water | TIME Best Books of the Year source ↗ (opens in a new tab) | Selection · Fiction | |
| 2021 | Open Water | Library Journal Best Books source ↗ (opens in a new tab) | Selection · Literary Fiction | |