Nothing particularly bad you can say about The Langley. The first few hours of trading (each day) are happy hour, which means 50% off all drinks and discounted price on sharing platters. The music is cool, chilled out house music that progresses as the night goes on. I frequent the bar a lot, and I can confidently say that mid week onwards is the best time to go. Not because it's quiet by any means, but simply because the crowd it gathers is so attractive.
Wether you are having a few post work drinks or on a night out it's worth popping in, to take advantage of the excellent value drinks of nothing else.