Natwest

Natwest and Royal Bank of Scotland are to close their popular Cash Isa Plus accounts to new customers at end of business today, at 5pm. The accounts, which pay 3.51% variable, are our top-pick clean ISAs for new money.

Natwest is under investigation by the Advertising Standards Authority (ASA) over concerns its advertisements incorrectly claim it offers impartial financial advice.

Three major banking groups have introduced electronic Isa transfers this week in a bid to speed up the archaic process.