What are datacentres doing to the places we love? In Slough, I found a bleak answer | John Harris

Whitehall wants to triple the UK’s number of datacentres – but demand for electricity and water means that could be at the expense of new homes Amid headlines about the UK’s drought , Europe’s wildfires and impossible global temperatures, it was 28C when I arrived in Slough last Monday. I was there to look around Slough Trading Estate, a place that might once have conjured up images of the TV comedy The Office , many of whose laughs came at the expense of this overgrown patch of suburbia, 20-odd miles west of London. But these days, this area of town – an incongruous mixture of old-school busi