Barnsley Building Society has extended its fixed rate cash ISA range with this new deal.
Paying 3.50% over two years, this ISA has a market leading rate for its term.
The option of monthly interest at a rate of 3.45% adds to its appeal, as does the ability to access funds early, albeit on the loss of 120 days' interest.
Transfers out are allowed for the same penalty, while additional investments and transfers in are permitted whilst the issue remains open.
An all round good ISA account, this deal earns four out of five Moneyfacts stars.
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