Lifetime ISAs: What You Need to Know Before You Save

Introduced in 2017, the Lifetime Individual Savings Account (LISA) was designed to help people aged 18 to 39 save either for their first home or for retirement. With a 25% government bonus on contributions of up to £4,000 per year, it can seem like an attractive savings vehicle at first glance.

However, while the LISA offers incentives, it also comes with strict rules, penalties, and limited flexibility that can result in unexpected costs or missed opportunities. In this article, we examine how the LISA works, when it might be useful, and where it could actually work against your long-term financial goals.

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What Is a Lifetime ISA?

A LISA allows individuals aged between 18 and 39 to save up to £4,000 each tax year, with the government adding a 25% bonus (up to £1,000 annually). The LISA counts towards your overall ISA allowance, which is £20,000 per year (2025/26).

Funds within a LISA can be held as cash, stocks and shares, or a combination of both. While contributions must stop at age 50, the account can remain open and continue to grow through interest or investment returns.

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When Can You Withdraw LISA Funds Without Penalty?

You can withdraw your LISA funds without penalty in only three specific situations:

1. To buy your first home, provided the following conditions are met:

• • The property costs £450,000 or less
  • You’ve held the LISA for at least 12 months
  • A solicitor or conveyancer handles the transaction, and the funds go directly to them
  • You use a standard mortgage (not from family or close relations)

1. When you reach age 60

2. If you are terminally ill, with less than 12 months to live

Any other withdrawal will be classed as non-qualifying, and you’ll face a 25% penalty.

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Understanding the 25% Penalty

It’s easy to assume that a 25% penalty simply removes the government bonus, but the penalty actually takes a portion of your own savings as well.

Here’s an example:

• You contribute £4,000
• The government adds £1,000 (25%)
• Your total balance is £5,000
• You make a non-qualifying withdrawal and incur a 25% penalty = £1,250

You’re left with £3,750, meaning you’ve lost £250 of your own money. That’s an effective loss of 6.25% on your original savings.

This harsh penalty makes LISAs far less flexible than other ISAs or pension schemes when it comes to managing life’s unexpected events.

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Using a LISA for a First-Time Property Purchase

If you’re using a LISA to buy your first home, you must be aware of the strict conditions:

• The property must cost £450,000 or less. In high-cost areas like London, this limit may restrict your choices.
• You must have opened the LISA at least 12 months prior to the purchase. If you’re planning to buy quickly, a LISA won’t help.
• A solicitor or conveyancer must manage the purchase. You cannot access the money directly.
• The mortgage must come from a qualifying lender. You cannot use a loan from a spouse or family member.

If any of these conditions are not met, the withdrawal will be treated as non-qualifying and subject to the penalty.

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Can a LISA Replace a Pension?

Some individuals consider a LISA as a pension alternative, particularly the self-employed or those without access to a workplace scheme. While the tax-free nature of LISA withdrawals and the 25% bonus seem similar to pension tax relief, there are key differences:

While a LISA can complement a pension, especially for basic rate taxpayers, it is rarely a more efficient alternative to pensions for long-term retirement savings.

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Impact on Means-Tested Benefits

Unlike pensions, LISA savings do count toward means-tested benefit calculations. This means your LISA balance could affect your eligibility for:

• Universal Credit
• Housing Benefit
• Other income-related support

This can make LISAs less attractive for individuals whose income or employment is uncertain.

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Treasury Committee Criticism

In 2024, the House of Commons Treasury Committee raised several concerns about the LISA, stating:

• Its dual purpose (home buying and retirement saving) creates confusion
• The 25% penalty for non-qualifying withdrawals is too harsh
• People may be diverted from more efficient pension savings

While the LISA was designed with good intentions — to encourage first-time buyers and promote long-term saving — the government may review or reform the scheme in the future.

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When a LISA Might Work for You

A LISA could be suitable if:

• You’re between 18 and 39
• You plan to buy your first home in at least 12 months’ time
• The property is expected to cost less than £450,000
• You want to supplement your pension savings but won’t need the money before age 60
• You don’t expect to claim means-tested benefits

However, if any of the following apply, a LISA may not be right for you:

• You may need early access to savings
• You’re unsure about buying a home
• You’re likely to earn more than £50,000 and benefit more from higher-rate pension relief
• You already have a generous workplace pension
• You rely on benefits or may in future

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Conclusion

The Lifetime ISA offers benefits, but only if used in very specific situations. While the government bonus is attractive, the restricted access, rigid rules, and penalty for early withdrawals mean a LISA can be more costly than expected if circumstances change.

Before opening a LISA, consider your:

• Likelihood of buying a qualifying home
• Long-term retirement plans
• Access needs in case of emergencies
• Entitlement to other tax-efficient savings options, like pensions

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Need Help Making the Right Savings Decision?

At Merranti Accounting, we support individuals, landlords, business owners, and families with tailored savings, pension and investment planning. If you’re unsure whether a LISA is right for you, we can provide:

• Personalised savings strategy advice
• Help comparing ISAs, pensions, and other tax-efficient vehicles
• Guidance on eligibility and tax impact
• Support preparing for your first home purchase

Contact us today for an initial consultation.