How many ISAs can I have?

How many ISAs can you have, pay into or open in a single tax year? This guide explains all.

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Individual adult ISA allowances by type

ISA type
Maximum yearly allowance
Stocks and shares ISA
£20,000
Cash ISA
£20,000
Innovative Finance ISA (IFISA)
£20,000
Lifetime ISA
£4,000
Help to Buy ISA*
£200 per month

*No longer available to open, but can be paid into until November 2029