The location for the interior of the Black Church was St Bartholomew's the Great in London, the same used by Guy Richie in 'Sherlock Holmes' staring Robert Downey Jr., 'Four Weddings and a funeral' and 'Shakespeare in Love'
There are over 200 VFX in the movie and some were done over 20 times to get them correct. The chariot of fire sequence took months to achieve.
The whole dialogue soundtrack was recorded at 5A Studios in London as ADR (additional dialogue recording) with each of the 13 actors recording their lines 8 times!
The costumes in the film are made by the Royal Shakespeare Company in Stratford-upon-Avon home town of Shakespeare.
The Foley was recorded at Elstree Studios where the orginal Star Wars trilogy was filmed by the Foley artist for 007 James Bond movies.