..warehouse and yard. For putting up to let we need a BER cert even though this will be the lowest score on the BER scale. For some details Approximately It is a 408 square metre warehouse with a .5 acre front yard. Warehouse has a canteen and toilet annex, c.36 square metres, and some lean-to sheds endfe of the yard, c.51 and c.64 square metre each. Not looking for anything other than the lowest point of BER scale.