I have an office on Hoxton Square in London. On Friday night it turns into a massive al fresco public toilet for the bright, young things of east London. Its worth bearing in mind that when an estate agent describes an area as being ‘vibrant’ what he really means is that a bunch of flinty-eyed opportunists will overcharge you for coffee and booze and your doorstep will get pissed on more often than Chuck Berry’s girlfriend…