Bryan, 51, who last year nearly died from pneumonia, became homeless after personal problems led him to drink and drugs.
"It's worse than it used to be right now, but I think it's down to a lot of things," he says. "The way people are now - everything is going up and costing more and then the other stuff, services and care, humanity, it's going down."
There is both a human and financial cost to the problem. The average age of death of someone who is rough-sleeping is 47 and people living on the street are 17 times more likely to be the victims of violence than those in settled accommodation.
"I'm getting to a point where I can't do it anymore, I'm trying to save my money but it's hard," said John, 19, one of a small group of men living under Waterloo Bridge.