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ISAs and Tax-Free Saving
ISAs and Tax-Free Saving reviews, comparisons and buying guides from Rational GB.
2 guides
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Updated 2026
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Independent & evidence-checked
01
ISAs and Tax-Free Saving
No. 01
ISAs Explained: The Complete UK Guide to Tax-Free Saving and Investing
ISAs explained for 2026/27: the £20,000 allowance, the four ISA types, the 2027 cash ISA change and how to use your tax-free wrapper well.
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02
ISAs and Tax-Free Saving
No. 02
ISA Allowance 2026/27: Limits, Rules and What's Changing
The ISA allowance for 2026/27 is £20,000. Here are the limits by ISA type, the rules that trip people up, and the 2027 reforms you should plan around now.
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