Possible Clues:

• 'That's for the course and then on in at hens, perhaps (9)'
• It's a bit fowl on or near at hens
• Temple's role for females performing
• Separate layer on ruined Greek temple
• Ancient temple
• Just a bit of a hen on what you get at hens?
• Beautiful bit of poultry on the end where it's at poultry in 28 across, by the sound of it
• Tourist attraction of Athens
• Dolly eats 4, which is almost twenty-six centuries old
• One might get a bit of fowl on top of where one might get at hens