Let me know if you want some details. There are loads of SureStart groups which are free and friendly.
I only found out about them as I introduced myself to another mum in the park! My HV was bloody rubbish at helping me find anything. If it was down to her I'll be stuck at home all week with the baby.....mind you, maybe then she'd be happy as then I would be depressed and she could talk to me about it.