Possible Clues:

• A nastier development at the well
• Era loosely associated with saint? Well, sort of
• This area isn't developed well
• Well, it's like this. There's water coming up there
• A Stainer composition? Well, possibly
• This well is bored vertically into the ground
• It's arena is shaped like a sort of well
• Sort of Well! of a philosopher caught out
• Its arena is constructed well
• Well made by eccentric English artisan