His plays have been performed at major new writing institutions in the UK, including The
Royal Court Theatre, the
Bush Theatre, the
Finborough Theatre and the
National Theatre. His stage adaptation of the film
Festen transferred from the
Almeida Theatre to the West End and Broadway. His play
Market Boy, informed by his childhood working on a stall at
Romford Market, played at the National Theatre's largest space, the Olivier in June 2006. In July 2008 his play
Under the Blue Sky was revived at the
Duke of York's Theatre starring
Chris O'Dowd,
Catherine Tate and
Francesca Annis. In March 2011 his play
The Knot of the Heart played at the Almeida Theatre and starred
Lisa Dillon, for whom the role of Lucy was written and in February 2012 his play
In Basildon, played at the
Royal Court Theatre directed by
Dominic Cooke starring
Linda Bassett and
Ruth Sheen. Both plays opened to critical acclaim.
The Knot of the Heart won the Off-West End Theatre Award for Best New Play and
In Basildon was voted
The Guardian Theatre Critics and Arts Writers No.1 Theatre of 2012. In April 2012 the
Royal Exchange Theatre presented his new version of
Miss Julie by
August Strindberg, starring
Maxine Peake. In July 2014 his play
Holy Warriors played at
Shakespeare's Globe. David's screenplay for a ninety-minute single film,
The Scandalous Lady W, based upon
Hallie Rubenhold's book ''Lady Worsley's Whim'', was broadcast on
BBC2 in August 2015 starring
Natalie Dormer and directed by
Sheree Folkson. In October 2017 The
National Theatre presented the world premiere of his play
Beginning in the
Dorfman Theatre directed by
Polly Findlay.
Beginning transferred from The
National Theatre to the
Ambassadors Theatre in the
West End, opening in January 2018 with both
Sam Troughton and
Justine Mitchell reprising their original roles.
Beginning was revived for a tour starting at the
Queen's Theatre, Hornchurch, in 2021. It became the first in his trilogy of plays about love and relationships for the National Theatre to be premièred in its Dorfman Theatre. The second,
Middle, had its first performances rescheduled to start in April 2022 due to the Covid-19 pandemic. The final play in the trilogy,
End, had its first performance at the National Theatre in 2025. Eldridge is currently lecturer in Creative Writing at
Birkbeck, University of London. He also teaches screenwriting for the
Arvon Foundation. == Plays ==