It’s one of our best-loved modern Christmas films. 

But fans of The Holiday had a shock earlier this week when Jude Law, who stars alongside Kate Winslet, Cameron Diaz and Jack Black in the charming rom-com, admitted the idyllic country cottage at the heart of the movie is fake.

The actor starred as the handsome widower Graham, a book editor with two young daughters, in the 2006 film about a house swap between two disillusioned women: Winslet’s Iris, and a successful if neurotic American,…