Sorry to hear you got in a bit of a mess. Personally think the customer is a chancer.
Seems to be a bit of confusion with insurance...
Public liability- you cause an injury at work to someone else, typically the public, flood someone's home etc
Indemnity insurance- bad workmanship, you making a costly mistake etc
Contractors all risk- typically used more in commercial than domestic. Very similar cover to indemnity.
I am no insurance expert but hope that has cleared some things up.
Best of luck with your situation.
Seems to be a bit of confusion with insurance...
Public liability- you cause an injury at work to someone else, typically the public, flood someone's home etc
Indemnity insurance- bad workmanship, you making a costly mistake etc
Contractors all risk- typically used more in commercial than domestic. Very similar cover to indemnity.
I am no insurance expert but hope that has cleared some things up.
Best of luck with your situation.