The room in the attic is to the left at the top of the stairs When Roshana leaves the attic room she turns left to go down the stairs. This is completely flipped This may have been intentional to add to the weirdness.
A shot of Hannah and Sean on the harbour breakwater at Scarborough, heading for the beach, is immediately followed by one of them on the beach, building sandcastles. There is no indication that time has passed between the two shots. However in the first one the sky is uniformly grey and overcast, and the sea is very choppy; in the second there are clouds in an otherwise blue sky, and the sea is calmer.