You could get a bargain, basically you can wire this straight in instead of the USA spec unit you have now & get 12V from 230V:- http://www.ebay.co.uk/itm/VW-camper-van-Westfalia-electric-unit-T25-London-/170891756059?pt=UK_Campervan_Caravan_Accessories&hash=item27c9f1421b#ht_500wt_1414
Under your rear seat you have a metal box that is a step down transformer it transforms the USA 100V to 12V as we have 230V in the UK its no good to you. You can remove it & fit the T25 unit that way you still get 12V but from 230V instead. Check out my Milly thread:- http://thelatebay.com/index.php?topic=219.100
