 There are 90 Grade I listed buildings in the Mendip district . There are churches in the various towns and villages , however the greatest concentrations of Grade I listed buildings are in Wells and Glastonbury . In Wells these are clustered around the 10th @-@ century Cathedral Church of St Andrew , better known as Wells Cathedral , and the 13th @-@ century Bishop 's Palace . Glastonbury is the site of the Abbey , where construction started in the 7th century , and its associated buildings . The ruined St Michael 's church , damaged in an earthquake of 1275 , stands on Glastonbury Tor , where the site shows evidence of occupation from Neolithic times and the Dark Ages . The Chalice Well has been in use since Pre @-@ Christian times . Glastonbury Abbey had a wider influence outside the town : tithe barns were built at Pilton and West Bradley to hold tithes , and a Fish House was built at Meare along with a summer residence for the Abbot ( now Manor Farmhouse ) . 
 <a href='dey_it' title='1'><mark>There</mark></a> are 90 Grade I listed buildings in the Mendip district . <a href='dey_it' title='2'><mark>There</mark></a> are churches in the various towns and villages , however the greatest concentrations of Grade I listed buildings <a href='drop_aux' title='3'><mark>are</mark></a>in Wells and Glastonbury . In Wells these are clustered around the 10th @-@ century Cathedral Church of St Andrew , better known as Wells Cathedral , and the 13th @-@ century Bishop <a href='null_genetive' title='4'><mark>'s</mark></a>Palace . Glastonbury <a href='drop_aux' title='5'><mark>is</mark></a>the site of the Abbey , where construction started in the 7th century , and its associated buildings . The ruined St Michael <a href='null_genetive' title='6'><mark>'s</mark></a>church , damaged in an earthquake of 1275 , <a href='uninflect' title='7'><mark>stands</mark></a> on Glastonbury Tor , where the site <a href='uninflect' title='8'><mark>shows</mark></a> evidence of occupation from Neolithic times and the Dark Ages . The Chalice Well <a href='uninflect' title='9'><mark>has</mark></a> been in use since Pre @-@ Christian times . Glastonbury Abbey had a wider influence outside the town : tithe barns <a href='uninflect' title='10'><mark>were</mark></a> built at Pilton and West Bradley to hold tithes , and a Fish House was built at Meare along with a summer residence for the Abbot ( now Manor Farmhouse ) . 
It is 90 Grade I listed buildings in the Mendip district . It is churches in the various towns and villages , however da greatest concentrations of Grade I listed buildings in Wells and Glastonbury . In Wells dese are clustered around the 10th @-@ century Cathedral Church of St Andrew , betta known as Wells Cathedral , and the 13th @-@ century Bishop  Palace . Glastonbury the site of tdaAbbey , where construction started in the 7th century , and its associated buildings . The ruined St micheal  church , damaged in an earthquake of 1275 , stand on Glastonbury Tor , where thdaite show evidence of occupation from Neolithic times and thedark Ages . The Chalice Well have been in use since Pre @-@ Christian times . Glastonbury Abbey had a wider influence outside the dan : tithe barns was built at Pilton and West Bradley to hold tithes , and a Fish crib was built at Meare along wid a summer residence fa the Abbot ( now Manor Farmhouse ) .