British Gas has agreed to a £20 million payout and to compensate customers who had a prepayment meter installed without their permission, regulator Ofgem has said following an investigation.. Read MoreShare this ArticlePrevious ArticleBathing Season Kicks Off With 13 New Spots Including First Thames Site In LondonNext ArticleLabour To Include Andy Burnham In Candidate Selection For Makerfield By ElectionNews Editor