Handle9: Oh you should also request the builders address for service and advise him you are off to see your lawyer about what can be counter claimed due to his delays. Do it politely but make it clear you are seeking advice and you will vigorously pursue your right to counter claim on him.
Yep. There's nothing else in this thread that you should take account of but the above advice. And this is coming from someone who deals with construction disputes regularly.

