Avoid! They kept increasing my direct debit (without warning went from £35 to £80) then before leaving them (and after a bill adjustment where my final bill was £5) I suddenly received an apparent bill of £175 that I need to pay as of now or they will take it to a third party. I dont know how from £5 it went to £175 with no changes at home and only appliances and lighting as heating goes through another company (so winter not an excuse). I dont have an issue paying what I owe, however they gave my account credit and suddeny added £170...also didnt advise me of my account getting out of the usual amount....no explanations, just contacting me to demand money.