| Title | Director | Cast | Genre | Notes |
| Adulthood | Noel Clarke | Noel Clarke, Scarlett Alice Johnson, Jacob Anderson | Drama | |
| Agent Crush | Sean Robinson | Brian Blessed, Neve Campbell | Animation | |
| Angus, Thongs and Perfect Snogging | Gurinder Chadha | Georgia Groome, Alan Davies, Aaron Johnson | Romantic comedy | |
| The Bank Job | Roger Donaldson | Jason Statham, Saffron Burrows | Thriller | |
| Be Like Others | Tanaz Eshaghian | | Documentary | |
| The Boy in the Striped Pyjamas | Mark Herman | David Thewlis, Asa Butterfield | World War II drama | |
| Brideshead Revisited | Julian Jarrold | Emma Thompson, Michael Gambon | Literary drama | |
| Broken Lines | Sallie Aprahamian | Paul Bettany, Olivia Williams | Drama | [1] |
| A Bunch of Amateurs | Andy Cadiff | Burt Reynolds, Samantha Bond | Comedy | |
| Cash and Curry | Sarjit Bains | Ameet Chana, Ronny Jhutti | Comedy | |
| Caught in the Act | Matt Lipsey | Steve Speirs, Sarah Barrand, Freddie Jones | Comedy | [2] |
| The Children | Tom Shankland | Eva Birthistle, Stephen Campbell Moore, Jeremy Sheffield, Hannah Tointon | Horror | |
| The Chronicles of Narnia: Prince Caspian | Andrew Adamson | Ben Barnes, Georgie Henley, Skandar Keynes, William Moseley | Fantasy | |
| A Complete History of My Sexual Failures | Chris Waitt | | Documentary | |
| The Cottage | Paul Andrew Williams | Andy Serkis, Reece Shearsmith | Comedy/horror | |
| The Dark Knight | Christopher Nolan | Christian Bale, Michael Caine, Heath Ledger, Gary Oldman, Aaron Eckhart, Maggie Gyllenhaal, Morgan Freeman | Superhero/action | |
| Death Defying Acts | Gillian Armstrong | Guy Pearce, Catherine Zeta-Jones | Romance/thriller | Co-production with Australia |
| Doomsday | Neil Marshall | Rhona Mitra Bob Hoskins Malcolm McDowell | Sci-fi/action | |
| The Duchess | Saul Dibb | Keira Knightley, Hayley Atwell, Ralph Fiennes | Historical drama | Winner of Academy Award and BAFTA for Best Costume Design |
| Easy Virtue | Stephan Elliott | Colin Firth, Kristin Scott Thomas | Drama | |
| Eden Lake | James Watkins | Kelly Reilly, Michael Fassbender, Jack O'Connell | Horror | |
| The Edge of Love | John Maybury | Keira Knightley, Sienna Miller | Drama | |
| The Escapist | Rupert Wyatt | Brian Cox, Joseph Fiennes, Damian Lewis | Thriller | |
| Faintheart | Vito Rocco | Eddie Marsan, Ewan Bremner, Jessica Hynes | Comedy | |
| Fifty Dead Men Walking | Kari Skogland | Ben Kingsley, Jim Sturgess | Thriller | |
| Filth and Wisdom | Madonna | Eugene Hütz, Holly Weston, Vicky McClure, Richard E. Grant, Olegar Fedoro | Comedy-drama | Premiered at the 58th Berlin International Film Festival |
| Flashbacks of a Fool | Baillie Walsh | Daniel Craig, Harry Eden | Drama | |
| Franklyn | Gerald McMorrow | Ryan Phillippe, Eva Green, Sam Riley | Neo-noir | |
| Freebird | Jon Ivay | Phil Daniels, Gary Stretch | Comedy | |
| French Film | Jackie Oudney | Anne-Marie Duff, Hugh Bonneville | Comedy | |
| Gardens of the Night | Damian Harris | Gillian Jacobs, Evan Ross, Jeremy Sisto, Harold Perrineau, Kyle Gallner, John Malkovich, Kevin Zegers, Tom Arnold | Drama | Premiered at the 58th Berlin International Film Festival |
| The Gateway Meat | Ron DeCaro | David Barry, Baro Carvalho, Christianne Cicilio | Horror | |
| Good | Vicente Amorim | Viggo Mortensen, Jason Isaacs | Drama | |
| The Grind | Rishi Opel | Jamie Foreman, Zoe Tapper, Danny John-Jules | Crime | |
| Happy-Go-Lucky | Mike Leigh | Sally Hawkins, Eddie Marsan | Drama | Winner of the Best Actress Prize at the Berlin Film Festival and the Golden Globe for Best Actress (Comedy or Musical) |
| How to Lose Friends & Alienate People | Robert B. Weide | Simon Pegg, Megan Fox, Kirsten Dunst | Comedy | |
| Hunger | Steve McQueen | Michael Fassbender | Drama | Winner of the Caméra d'Or award at the 2008 Cannes Film Festival |
| In Your Dreams | Gary Sinyor | Dexter Fletcher, Elize du Toit, Parminder Nagra | Romance/comedy | |
| Incendiary | Sharon Maguire | Michelle Williams, Ewan McGregor | Drama | |
| Inkheart | Iain Softley | Brendan Fraser, Eliza Bennett, Paul Bettany, Helen Mirren | Fantasy | Co-production with the US |
| Lady Godiva | Vicky Jewson | Phoebe Thomas, Matthew Chambers, Natalie Walter | Romance/comedy | |
| Lecture 21 | Alessandro Baricco | John Hurt, Leonor Watling | Drama | |
| Love Live Long | Mike Figgis | Daniel Lapaine, Sophie Winkleman | Drama | |
| Mamma Mia! | Phyllida Lloyd | Meryl Streep, Pierce Brosnan, Colin Firth, Stellan Skarsgård | Musical | Highest grossing British film and highest selling DVD of all time in the UK |
| Man on Wire | James Marsh | Philippe Petit | Documentary | Petit's 1974 high-wire walk between the Twin Towers; winner of the Academy Award for Best Documentary (Feature), the BAFTA Award for Best British Film and the Satellite Award for Best Documentary Film |
| Manolete | Menno Meyjes | Adrien Brody, Penélope Cruz | Biopic | Co-production with Spain |
| A Matter of Loaf and Death | Nick Park | Peter Sallis, Sally Lindsay | Animated short | Winner of BAFTA for Best Animated Short |
| Of Time and the City | Terence Davies | | Documentary | |
| The Other Man | Richard Eyre | Liam Neeson, Antonio Banderas | Drama | Co-production with the US |
| The Oxford Murders | Álex de la Iglesia | Elijah Wood, John Hurt | Mystery | |
| Quantum of Solace | Marc Forster | Daniel Craig, Olga Kurylenko, Mathieu Amalric, Judi Dench | Spy/action | James Bond Film |
| Revolutionary Road | Sam Mendes | Leonardo DiCaprio, Kate Winslet, Michael Shannon, Kathryn Hahn, David Harbour, Kathy Bates | Romantic drama | Co-production with the US |
| RocknRolla | Guy Ritchie | Gerard Butler, Tom Wilkinson, Mark Strong, Thandie Newton | Crime drama | |
| Slumdog Millionaire | Danny Boyle | Dev Patel, Freida Pinto, Anil Kapoor | Drama | Eight Oscar wins including Best Picture and Best Director |
| Son of Rambow | Garth Jennings | Bill Milner, Will Poulter | Family comedy-drama | |
| Three and Out | Jonathan Gershfield | Mackenzie Crook, Colm Meaney, Gemma Arterton, Imelda Staunton | Tragic comedy | |
| Transsiberian | Brad Anderson | Woody Harrelson, Emily Mortimer, Ben Kingsley | Thriller | |
| Tropic Thunder | Ben Stiller | Ben Stiller, Jack Black, Robert Downey Jr., Steve Coogan, Jay Baruchel, Danny McBride, Brandon T. Jackson, Bill Hader, Nick Nolte | Satirical action comedy | |
| Wild Child | Nick Moore | Emma Roberts, Alex Pettyfer | Romantic comedy | |
