Ndubuisi 'Andy' EgwimMoney Coach for Medics|Ex-NHS GP|21+ Yrs Investor| Founder, MoneyWiseDoctor.com|Helping Medics Avoid Big Money Mistakes

This ISA Mistake Is Costing UK Couples Thousands

10 Jan 2026 · 1 min

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UK couples can each use their own ISA allowance, sheltering up to 40k combined. But if you move abroad, you stop contributing even though existing ISAs stay tax-free. Ndubuisi Egwim breaks down ISA types and the rules people get wrong.

Questions this video answers

Yes. Everyone gets their own ISA allowance.

A couple can shelter up to 40k per taxi.

You can keep existing ISAs and they remain tax-free in the UK, but you cannot contribute new money once you are no longer a UK tax resident (unless you are a Crown employee).

Chapters

Finally, there is the innovative Finance Isaac, which is more high risk. And for peer to peer lending, it's not as commonly used as the others. In fact, I haven't used it myself, but I've used the other three. Now let's look at common Isaac questions. I get all the times in our master classes or on our blogs. I already have an isa. Can my partner also have an isa? Yes. Everyone gets their own ISA allowance. A couple can shelter up to 40k per taxi. What if I move abroad? If you move abroad, you can still keep your existing ISAs. You they remain tax free in the UK, but you can't contribute new money once you're no longer UK tax resident. Of course, unless you're a Crown employee.