The production crew used the blueprints from the 1997 original. The set of the house in the 2007 American remake has the same proportions as that of the 1997 set.
The film is a shot-by-shot remake of the original.
Tim Roth has said making this film abused him, and he'll never watch it. He said he was particularly disturbed because Devon Gearhart resembled his own son.