Barney's
A very entertaining bar with good crowds, reasonable drink prices, and pleasant staff. The patio is extremely popular in summer, expect long lines.
Call the Office
Live rock music five nights a week, CTO is the anchor of London's independent music scene. Retro night on Sundays is extremely popular.
The Ceeps
Officially the CPR Hotel, the Ceeps has been in existence since 1890 and has never stopped being one of the most popular UWO bars. The local joke is "your grandfather drank here, your father drank here, and your son someday will too".
Chaucer's Pub
London's largest selection of beer, specializing in Eastern European lagers and ales. The old-world atmosphere is unique in the city, featuring a gigantic stone fireplace, no TV's, and music provided only by a piano.
Generally, the locals head to the bars and clubs around 10-11PM and stay until closing time at 2:30AM last call is at 2AM. Cover charges are minimal $5-10 or nil, while drink prices are relatively reasonable.