To help create the gothic atmosphere present in this movie, many shots were lit exclusively by firelight or candlelight.
The location of Jane Eyre's cottage was so isolated that there was no mobile phone reception. A member of the crew had to be stationed in a nearby phone booth with a walkie talkie in case the crew needed anything. He didn't complain, however, as the local residents brought him tea and biscuits throughout the day.
Romy Settbon Moore (Adèle Varens) was cast in part because she speaks fluent French. Director Cary Joji Fukunaga held auditions at a local bilingual school to find a girl who could convincingly play a French child but who could also understand his direction.
Director Cary Joji Fukunaga wanted a scene to illustrate how much Mr. Rochester's presence at Thornfield Hall disrupted the lives of its permanent residents, so he wrote the dinner scene, in which Mrs. Fairfax, Jane, and Adèle Varens try to carry on a conversation while Mr. Rochester fires a gun right outside the window. This scene does not take place in the novel, and in this movie's commentary, Fukunaga claims it was the only original scene written for the movie.
While shooting the climactic post-wedding scene between Jane Eyre (Mia Wasikowska) and Mr. Edward Rochester (Michael Fassbender), filming had to be stopped repeatedly because Fassbender's suspenders (British: braces) kept breaking and had to be re-sewn.