I asked my friend who is a midwife (obviously dont have experience of vbac as you know) she said as you have had a successful vbac already she wouldnt see any problems in you going for a water birth, however she also said that the pool on her consultant unit has only been used a couple of times in the last year, I think when you have had previous problems some staff are less willing to let you try, especially if you need continuous monitoring (though there is equipment to be able to do this under water but think its quite expensive and maybe not be availabe in all nhs hospitals and trusts) I guess the best option would be to discuss the options with your consultant and see what the hospital policies are. before my labour went wrong I was in the water and it was great good for helping the pains!Luc x