Success securing new home at the outset - that is a good feeling (8)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

Success securing new home at the outset – that is a good feeling [N (=new, as in New Testament) + H <ome> (“at the outset” means first letter only)] in BOOM (=success)] + I.E. (=that is, id est )