In the scene where Ashworth is standing on a chair with a noose around his neck, the noose disappears and reappears numerous times, i.e. the rope is present in wide shots but missing in close-up shots.
When Adam breaks in to Swift's office and starts downloading files, the laptop is a Mac but the window that opens up on the screen is from a PC.
MP Nicholas Ashworth's seat is given as "Deptford North" no such seat exists, it should be "Lewisham Deptford" which was created in 1974 from the seats of "Deptford" and "Lewisham North".