What is an Offset mortgage?This is a fully flexible mortgage which allows a borrower to keep balances (such as mortgage debt, savings account and current account) in separate accounts, but for the purposes of interest calculation all balances are aggregated. Money in savings or current accounts is set against the mortgage balance and interest is only charged on the outstanding amount, meaning interest payments are reduced.December 04 2012 - US00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.