Best Cash Isa Rates 2025/2025

Best Cash Isa Rates 2025/2025. Here’s a quick overview of the main isa types available: There's a limit to how much you can add to isas each year, including your cash isa.

To hold a flexible cash isa, you must be 18 years. The isa allowance for the current tax year (2024/25) is £20,000.