 Starting with an open bowl @-@ like design and one covered terrace , Stamford Bridge had an original capacity of around 100 @,@ 000 . The early 1930s saw the construction of a terrace on the southern part of the ground with a roof that covered around one fifth of the stand . It eventually became known as the " Shed End " , the home of Chelsea 's most loyal and vocal supporters , particularly during the 1960s , 70s and 80s . The exact origins of the name are unclear , but the fact that the roof looked like a corrugated iron shed roof played a part . 
