What Is a Help to Buy ISA vs a Lifetime ISA?

If you've ever looked into saving for your first home, you've probably come across two terms: Help to Buy ISA and Lifetime ISA. They sound similar, they both offer government bonuses, and the internet is full of conflicting advice about which one's better. Let's clear the confusion once and for all.

The short version? The Help to Buy ISA closed to new applicants in November 2019, so if you don't already have one, the Lifetime ISA is your only option. But if you do have an existing Help to Buy ISA, you might be wondering whether to keep it or switch. We'll cover both scenarios.

The Help to Buy ISA: A Quick Recap

The Help to Buy ISA launched in December 2015 as the government's answer to the housing affordability crisis. The idea was simple: save into a special ISA, and the government tops up your savings by 25% when you buy your first home. You could save up to £200 per month (plus an initial £1,000 lump sum), earning a maximum government bonus of £3,000 on £12,000 of savings.

The scheme closed to new applicants on 30 November 2019, but if you already had one open, you can keep saving into it until November 2029. The bonus can be claimed until November 2030. So if you opened one before the deadline, it's still very much alive.

The Lifetime ISA: The Bigger, Better Successor

The Lifetime ISA (LISA) launched in April 2017 and is still open to anyone aged 18–39. You can save up to £4,000 per year, and the government adds a 25% bonus — that's up to £1,000 per year in free money. Over the maximum saving period, you could accumulate significantly more than the Help to Buy ISA's £3,000 cap.

The LISA can be used to buy your first home (worth up to £450,000) or kept until you're 60 for retirement. If you withdraw for any other reason before 60, you'll face a 25% penalty on the amount withdrawn — which effectively means you lose your bonus plus a bit extra.

Head-to-Head Comparison

Let's break down the key differences. The Help to Buy ISA lets you save £200/month with a maximum bonus of £3,000. The Lifetime ISA lets you save up to £4,000/year (about £333/month) with no cap on total bonus — save the full £4,000 every year for 10 years and you'll get £10,000 in bonuses.

The property price limit differs too. The Help to Buy ISA caps at £250,000 outside London (£450,000 in London), while the Lifetime ISA has a flat £450,000 limit everywhere. For many buyers outside London, the LISA's higher property cap gives more flexibility.

When Is the Help to Buy ISA Better?

There are a few niche scenarios where the Help to Buy ISA still wins. First, there's no withdrawal penalty — if you need the money for something other than a house, you can take it out without losing anything (you just won't get the government bonus). With a LISA, that same withdrawal costs you 25%.

Second, the Help to Buy ISA bonus is paid through your solicitor at completion, while the LISA bonus is added monthly to your account. This means the LISA bonus earns compound interest over time, but the Help to Buy ISA process is simpler at the point of purchase.

When Is the Lifetime ISA Better?

In almost every other scenario, the LISA wins. Higher annual savings limit (£4,000 vs £2,400), higher total bonus potential (uncapped vs £3,000), a universal £450,000 property limit, and the bonus is paid monthly so it grows with interest. If you're starting from scratch, the LISA is the clear choice.

The LISA also doubles as a retirement savings vehicle. If you end up not buying a home, or you buy one without using the LISA, the money stays invested and grows until you're 60. The Help to Buy ISA doesn't have this dual purpose.

Can You Have Both?

Yes — but you can only use the government bonus from one of them when buying your first home. So having both open doesn't double your bonus. However, some savvy savers kept their Help to Buy ISA open while also contributing to a LISA, planning to use whichever bonus worked out better for their specific purchase.

If you have both, do the maths based on your actual situation: your property price, your savings timeline, and which bonus gives you more. For most people, the LISA bonus will be larger, but there are edge cases where the Help to Buy ISA works out slightly better.

What If You Already Have a Help to Buy ISA?

If you opened a Help to Buy ISA before November 2019, you have a decision to make. You can keep contributing until 2029 and claim the bonus by 2030. Or you can transfer the balance into a Lifetime ISA (this counts towards your £4,000 annual LISA allowance). Transferring means you get the higher LISA bonus potential going forward.

One important note: if you transfer your Help to Buy ISA funds into a LISA, you can't transfer them back. Make sure you're committed to the LISA rules (including the withdrawal penalty) before making the switch.

Stocks and Shares vs Cash LISA

Unlike the Help to Buy ISA (which was cash-only), the Lifetime ISA comes in two flavours: cash and stocks and shares. If you're planning to buy within the next 2–3 years, stick with a cash LISA — you don't want market volatility eating into your deposit. If your timeline is 5+ years, a stocks and shares LISA could grow your money faster, though there's always risk involved.

Popular cash LISA providers include Moneybox and Nottingham Building Society. For stocks and shares LISAs, AJ Bell and Hargreaves Lansdown are well-regarded options. Compare fees carefully — platform charges can nibble away at your returns over time.

Common Mistakes to Avoid

The biggest mistake is not opening a LISA early enough. The government bonus is essentially free money with a 25% return — you won't find that anywhere else. Even if you can only afford £50 a month right now, open the account and start contributing. You can always increase later.

Another common error is forgetting about the one-year rule. You must have your LISA open for at least 12 months before you can use it to buy a property. So even if you're not ready to save seriously yet, open the account now and put in £1 to start the clock.

The Bottom Line

The Help to Buy ISA served its purpose, but the Lifetime ISA is the stronger product for most first-time buyers. If you're under 40 and dreaming of homeownership, open a LISA today — even with a tiny first deposit. The government bonus, combined with compound interest, makes it one of the smartest financial moves you can make. And if you already have a Help to Buy ISA, it might be time to consider making the switch.