Alternatively, if a few of you are going in the same direction, you could take a cab home. If you are taking this option, though, it’s important to make sure you’re taking a licensed cab. Find out about the Cabwise app from the Transport for London website to get your nearest licenced cab: https://tfl.gov.uk/forms/12389.aspx
Go to the TFL website and register your mobile number, to be sent the Cabwise number to use when you need it.
Avoid walking on our own at night. If you need to, keep to well-lit and busy areas and avoid taking shortcuts.