| 2025 | Where the Heart Should Be | Chicago Public Library Best of the Best source ↗ (opens in a new tab) | Selection · Best Teen Fiction | |
| 2025 | Where the Heart Should Be | Kirkus Best Books of the Year source ↗ (opens in a new tab) | Selection · Teen | |
| 2024 | Hey, Zoey | The New Yorker Best Books of the Year source ↗ (opens in a new tab) | Selection · Also Recommended | |
| 2022 | Here is the Beehive | Dublin Literary Award source ↗ (opens in a new tab) | Longlist · Fiction | |
| 2020 | Here Is the Beehive | The Irish Times Best Books of the Year source ↗ (opens in a new tab) | Selection · Books of the Year | |
| 2020 | Being Toffee | Kirkus Best Books of the Year source ↗ (opens in a new tab) | Selection · Teen | |
| 2018 | Moonrise | New York Public Library Best Books source ↗ (opens in a new tab) | Selection · Best Books for Teens | |
| 2017 | Moonrise | Costa Book Awards source ↗ (opens in a new tab) | Shortlist · Children's | |
| 2017 | We Come Apart | Goodreads Choice Awards source ↗ (opens in a new tab) | Nominee · Poetry | |
| 2016 | One | CILIP Carnegie Medals (Writing and Kate Greenaway Illustration) source ↗ (opens in a new tab) | Winner · Carnegie Medal for Writing | |
| 2015 | Apple and Rain | CILIP Carnegie Medals (Writing and Kate Greenaway Illustration) source ↗ (opens in a new tab) | Shortlist · Carnegie Medal for Writing | |
| 2015 | One | New York Public Library Best Books source ↗ (opens in a new tab) | Selection · Best Books for Teens | |
| 2013 | The Weight of Water | CILIP Carnegie Medals (Writing and Kate Greenaway Illustration) source ↗ (opens in a new tab) | Shortlist · Carnegie Medal for Writing | |