I cared for a woman in labour ward recently who had been denied a homebirth due to the fact that she was GBS positive and she couldn't have IV antibiotics at home.
As it happened, she had a nice straightforward (induced for SROM) birth.
I understand that there is a small risk of reaction to IVABs, but still think she got a bit of a crap deal , and I personally would not have a problem giving IVABs in a homebirth situation.
Out of curiosity, I would be interested to hear if anyone out there has had IVABs at home, were they using indie m/w or NHS, who supplied the ABs etc.