If you have a court judgement, ordering someone to pay you money and they refuse, you can enforce that order. There are various options for doing so which may include having the company wound up (if it is an incorporation) or made bankrupt if it is just a partnership or business. There is also the option of seizure and sale orders etc.
The builder’s refusal to obey Court Orders constitutes an unlawful situation.
I can give you the legal advice and options that you need. You have a number of options through which you can enforce Court orders and pursue your entitlement.