Comparison between the censored UK VHS released by Palace (BBFC 18) and the unrated version, taken from the uncut UK DVD released MGM (BBFC 18).

There are 8 missing scenes with an overall runtime of 2 minutes and 11 seconds.

The UK theatrical version of the movie is based on the unrated version but had to be cut to obtain a BBFC 18 rating. The same version was released on VHS by Palace. The later released DVD by MGM features the complete uncensored US unrated version and has been rated BBFC 18 as well.

20 min
Jekyll cuts the prostitute's slip off with a knife and pulls it to the side.
8 sec

20 min
When he looks at the prostitute's naked behind, this is shown longer towards the beginning. He puts the knife aside.
2 sec

21 min
The prostitute is hit one more time.
2 sec

21 min
Jekyll's scalpel is shown longer.
3 sec

21 min
You see a longer shot of the dead prostitute with her slit throat.
5 sec

36 min
The entire scene where Jekyll touches the prostitute's breasts and pleases her with a stick was taken out. He rubs a stick between her legs while a voyeur watches them through the window. Jekyll says that the voyeur seemes to enjoy it and then asks her if she does, too. She answers "Yes!". After that he repeatedly asks her if she will like him even more.
99 sec

36 min
Underwood walks up to the roof. There you see a distant shot of Jekyll using his scalpel to cut the prostitute. Underwood enters the shot and looks around. Then you see a close-up shot of Jekyll cutting the dead prostitute's chest.
8 sec

36 min
When Underwood spots the corpse, 3 shots of the dead body were cut out.
4 sec