More detailed information will be given when the exact location is revealed! These are only suggestions not necessarily recommendations.
By Rail: Bristol Temple Meads (10 minutes in a taxi)
By Coach: Bristol Coach Station (20 minutes walk, 7 minutes in a taxi)
By Car: Parking very close by will be difficult but there are several NCP car parks within 10 minutes walk.
Hotels:
Cheap and cheerful: Bristol Backpackers (10 minutes walk)
Close and luxurious: Bristol Marriott Royal (< 5 minutes walk)