There are 37 Grade I listed buildings in North Somerset , including the Clifton Suspension Bridge , which join North Somerset to Bristol and Clevedon Pier which was built between the 1860s and 1890s . It was removed following damage in 1970 and restored , before being rebuilt and reopened to the public in 1998 . Of the listed buildings , manor houses are well represented . They include Clevedon Court , built in the 14th century , and from the 15th century , Ashton Court and Nailsea Court . North Somerset have many religious structures ; the largest number are from the Norman or medieval eras . The oldest is the Church of St. Quiricus and St. Julietta in Tickenham which date from the 11th century , and there are 8 others from the 12th century .