My homestart volunteer comes once a week and because she works full time can only come for an hour in her lunch break and invariably I end up running round making her tea. She isn't what I thought she would be either but she is a lovely person, emotionally supportive and was fantastic last year when I split with ex, she came round every night for a week to sit with me. She has a lot of contacts in her job two which has helped me with stuff.
Mine is at least reliable, comes round when she says she will and always rings or texts if she can't make it. I would definetley tell your co ordinator because at the end of the day your missing out on much needed help and support.
Does your local homestart have a family group? Mine does and I get to go there for twice a week for 2 and a half hours at a time for a break. The kids go in the creche and the mums get the time to themselves. Its heaven! Just wondered if that was a possibility? I know different areas don't have this or have long waiting lists