Ok with this being a 12.30pm kick-off, there is only one suitable train option that allows us a bit of time for breakfast etc in Bath, the closest mainline station to Paulton.
Train Prices are the following Adults £14.20, Kids (F&F railcard) £4.10
Leaving
BSK 8.38am via Salisbury (20min wait) arrives Bath Spa at 10.34am
By taxi from Bath the ground is 9.2 miles away.
Trains home depart Bath
3.36pm, 4.08pm, 4.36pm and then 36 mins past the hour.
I will start a list later today.