| 2025 | Under a Fire-Red Sky | The Telegraph Best Books of the Year source ↗ (opens in a new tab) | Selection · Best Books | |
| 2025 | Under a Fire-Red Sky | Financial Times Best Books of the Year source ↗ (opens in a new tab) | Selection · Children’s and Young Adult | |
| 2025 | Under a Fire-Red Sky | Kirkus Best Books of the Year source ↗ (opens in a new tab) | Selection · Teen | |
| 2020 | Where the World Ends | Michael L. Printz Award source ↗ (opens in a new tab) | Honor · Young Adult Literature | |
| 2019 | Where the World Ends | Kirkus Best Books of the Year source ↗ (opens in a new tab) | Selection · Teen | |
| 2018 | Where the World Ends | CILIP Carnegie Medals (Writing and Kate Greenaway Illustration) source ↗ (opens in a new tab) | Winner · Carnegie Medal for Writing | |
| 2015 | The Middle of Nowhere | CILIP Carnegie Medals (Writing and Kate Greenaway Illustration) source ↗ (opens in a new tab) | Shortlist · Carnegie Medal for Writing | |
| 2011 | The Death Defying Pepper Roux | CILIP Carnegie Medals (Writing and Kate Greenaway Illustration) source ↗ (opens in a new tab) | Shortlist · Carnegie Medal for Writing | |
| 2010 | The Death-Defying Pepper Roux | Publishers Weekly Best Books source ↗ (opens in a new tab) | Selection · Children's Fiction | |
| 2008 | The White Darkness | Michael L. Printz Award source ↗ (opens in a new tab) | Winner · Young Adult Literature | |
| 2007 | The White Darkness | Los Angeles Times Book Prizes source ↗ (opens in a new tab) | Finalist · Young Adult Literature | |
| 2007 | Peter Pan in Scarlet | British Book Awards source ↗ (opens in a new tab) | Shortlist · Children's Book of the Year | |
| 2007 | The White Darkness | Booklist Editors' Choice source ↗ (opens in a new tab) | Selection · Books for Youth: Older Readers | |
| 2007 | The White Darkness | Kirkus Best Books of the Year source ↗ (opens in a new tab) | Selection · Young Adult | |