That report is from March 2010, so over two years old. The police officer quoted in the Daily Telegraph referred to the last two years when there were, according to him:
"69 reported sex crimes within a mile radius of the club between January 2010 and February this year, which also included 15 cases of indecent exposure and six "other" sexual offences. Five of the rapes and 16 sexual assaults were committed within half a mile."
So, if you can't draw a statistically valid conclusion from the DT article I doubt you can draw a statistically valid conclusion from that two year old report either. And that's before you even consider the numbers of assaults women don't report.
What you would need to do to draw proper conclusions is a comparison between the type of area/demographic etc. around the club and another comparable area where there was no club and studied in the same time frame. Oh, and the study would have had to be big enough to invalidate the play of chance.