I have installed plenty of new mains and have only had one inspected and that was only because it was a shared main and the customer was getting a stop tap of his own so that's why it had to be checked.. And no plasson are not the only company that does them but I have tried other makes and...
Hi I'm a plumber have laid plenty of mains. I have never used a trace and have never been asked to so forget about that. As for the connection to the existing pipe outside I would be very surprised if it was steel, I would expect its lead if it is you need a plasson fitting that goes from lead...