1) Playing afternoons not on for a prom (3,5) ?E? ??O??
2) Breaches of the peace in a short expression reportedly (7) A???A?S
3) Where rents go, strictly speaking (2,3,6) T? T?E ?E???R
4) Start living in supporting arrangement (3,2,4) S?T ?P ?O?E
Thanks Mamyalynne, I will use the correct clue numbers in future. By the way, can you please explain SET UP HOME, as I don't really get the reference to "supporting arrangement. TIA.