Nationwide launches new market-leading fixed rate ISA - but you must be a member by today Savers just need a minimum of £1 to open the account. Updated Nationwide Building Society's Member Exclusive FRISA will pay 0.75% fixed for 18 months Get the latest on money saving tips and benefit changes straight to your inbox each week with our Record Money newsletter.Invalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice