Incredible building. I'm sure you couldn't help it but I'm not too hot about the 2 bulbs at the top. Maybe if you stepped back a few feet and then to the right to hide the lights in the rafters. I'm still going to give an 8 :)
Ahh yes the Cressing Barley Barn near Braintree. For a really dramatic view try a wide wide angle. I visited Cressing Barn just a few weeks ago, heres my attempt Cressing Barley Barn