: Research, such as that published in ResearchGate , examines the film as part of Joanna Hogg's autobiographical trilogy (alongside The Souvenir and The Souvenir Part II ). It analyzes how Hogg uses art to process personal history and the "uncanny" relationship between film and reality.
For formal research papers and critical essays, you can explore these resources:
: Critics from platforms like IMDb and Letterboxd note the film’s use of Gothic tropes—an isolated manor, fog, and creaking hallways—to represent internal psychological states rather than traditional horror.