"Now we can't get in the door
For there's carpets on the floor,
And you won't be served a beer without a tie, boys"

So here's an interesting piece of trivia for you: When I was there, so many years ago, the pub floors were mostly clay tiled. You know the kind. When a pool ball lands on it, it keeps on bouncing 'til it lands in a glass.
Up until some time in the sixties or so, the pubs were only open for a couple of hours, somewhere around dinner time. To accommodate the rush, the pubs had durable, washable floors and long horseshoe bars. The horseshoe bars provided more standing room and quicker service with less help.
Fortunately, when I was there, the licensing hours had been extended to twelve hours per day and each establishment could choose which hours. You could drink 24 hours a day! Neat.