Building society boosts interest rate on savings account to 'excellent' 4.65% / HMRC demand letters for people with PS3,500 or more in savings account / Best savings accounts to beat the Bank of England interest rates cut / Coventry Building Society paves the way with 'unbeatable' savings account / The best and worst areas in the UK for savings and retirement plans / Building society relaunches 'popular' savings account with 5% interest rate / 'I'm a savings expert - 10 things you're overpaying hundreds of pounds a year for' / 'Best and worst' savings accounts for interest before Bank of England rate announcement / Britons have PS430bn of excess cash savings, research finds / Building Society launches new savings account with 'attractive' 6% interest rate