Does the government's Central Veterinary Laboratory in Surrey have a roof? The question is important because Eco Soundings has seen the building's official energy certificate, and it is mind-bogglingly depressing – possibly the most energy inefficient of all the government's 17,000 buildings.
Not only does the building, owned and run by the environment department, not use any renewable energy, it emits 20,000 tonnes of C02 a year – the equivalent of a small town. It is also way off the government's own scale of awfulness.
Until now, the Department of Energy and Climate Change's HQ building in London was thought to be the most inefficient in the land, registering 159 on the government scale that gives 100 as typical.
The veterinary laboratory registers 761.
• Eco Soundings is our regular bite-sized blog series. It appears every Wednesday in the Guardian newspaper
