I hope you are not in Marbella as every license is going to be reviewed…
The LFO license means your dwelling observes local regulations and therefore you will be able to live in…
The Town Hall has given you precisely the green light to contract water and electricity supply so now the builder has no excuse to provide it. It’s HIS duty to do so… Furthermore, there are recent court decisions declaring void contract clauses imposing the purchaser the payments for this final steps of the building process.
Ask you Lawyer to make a formal requirement to the builder threatening him with court action.
Cesar