Average cash Isa rate has quadrupled since the start of the year The best one-year cash Isa pays 1.1 percentage points more than four weeks ago Saving £20,000 in Newcastle's one year fix ...

Skipton Building Society 2.8% Online Yes £1 minimum initial deposit. Newcastle Building Society 2.7% Online Yes, from other lifetime Isas. £1 minimum initial deposit. Last checked 12 March 2025. AER ...

If they exceed that limit their rate will fall. Newcastle is also hiking the rate on its Triple Access Isa to 3.05 per cent as of tomorrow, becoming a new best buy in the process.