Lifetime ISA Eligibility: Who Can Open One?
Updated:
To open a Lifetime ISA in the 2026-27 tax year you must be 18 or over but under 40, and either resident in the UK or a member of the armed forces or a Crown servant, according to gov.uk. Using the money towards a first home carries further conditions, including a property price of £450,000 or less.
The site's rules data was last checked against gov.uk on 26 September 2026. Figures typed in this guide may not yet reflect a later change, and the descriptions of gov.uk pages are summaries that may also lag. The current figures are on the ISA rules at a glance page. General information only, not financial advice.
What are the age rules for a Lifetime ISA?
gov.uk says you must be 18 or over but under 40 to open a Lifetime ISA (who can open a Lifetime ISA). On its overview page gov.uk adds that you must make your first payment into the ISA before you are 40 (GOV.UK Lifetime ISA overview). So the window runs from age 18 to age 39, and the date a person turns 40 is the date to compare with when the account would be opened.
The same overview says you can pay in up to £4,000 each year until you are 50. When you turn 50 you cannot pay into the Lifetime ISA or earn the 25% bonus, but gov.uk says the account stays open and the savings still earn interest or investment returns.
Who counts as a UK resident for this purpose?
gov.uk gives two routes. One is being resident in the UK. The other is being a member of the armed forces or a Crown servant (for example diplomatic or overseas Civil Service), which the page extends to a spouse or civil partner if you do not live in the UK. The page says you can work out your residence status if you are unsure. The source is who can open a Lifetime ISA.
On moving abroad, gov.uk's general ISA guidance says that once you become a non-UK resident you generally cannot add money, with an exception for Crown employees working overseas, and that you can keep the ISA open and still get UK tax relief on what it holds. It also says you must tell your provider as soon as you stop being a UK resident (if you move abroad). That page does not mention Lifetime ISAs specifically.
How many Lifetime ISAs can be paid into in a tax year?
gov.uk says you can only pay into one Lifetime ISA in a tax year, and that the tax year runs from 6 April to 5 April (how ISAs work). The £4,000 Lifetime ISA limit counts towards the annual ISA limit of £20,000 for the 2026-27 tax year, so a Lifetime ISA can sit alongside other ISA types as long as total payments stay within the overall allowance. gov.uk's ISA overview also says you cannot hold an ISA with someone else, so each account belongs to one person.
Is there a first-time buyer rule for opening one?
The gov.uk page on who can open a Lifetime ISA lists age and residence. The first-time buyer condition appears where gov.uk describes using the savings for a home. That page says you can use savings to help buy a first home if all the following apply: the property costs £450,000 or less; you buy at least 12 months after your first payment into the Lifetime ISA; a conveyancer or solicitor acts for you and the ISA provider pays the funds directly to them; and you are buying with a mortgage. It also says you cannot use the savings if the private mortgage comes from a relative (parent, grandparent, child, grandchild or sibling) or from certain people connected to them or to your spouse or civil partner. See withdrawing money from your Lifetime ISA.
That page does not define "first-time buyer" in detail, so a person who has owned property before, in the UK or abroad, can ask the provider or a conveyancer how the condition applies. The 12-month period is counted from the first payment into the account, which is why the opening date matters for a planned purchase.
What if the home is bought with someone else?
gov.uk says that if the person you are buying with has a Lifetime ISA, you can both use your savings and government bonus, provided you both are first-time buyers and both meet all the first-home conditions. The pages read do not say how a purchase is treated when only one buyer is a first-time buyer, so ask your providers and conveyancer. gov.uk also says that if you hold a Help to Buy ISA as well as a Lifetime ISA, you can only use the government bonus from one of them to buy your first home.
What are the rules for using the money later in life?
gov.uk lists being 60 or over as one of the situations where money can be withdrawn without the charge, alongside buying a first home and terminal illness with less than 12 months to live. For other reasons gov.uk describes a withdrawal charge of 25%. See withdrawing money from your Lifetime ISA. The pages read do not compare the Lifetime ISA with a pension, so this guide does not.
A worked example: how the home rules apply
The figures are assumptions for the arithmetic. Priya is 28 and plans to buy in four years a property priced at £230,000. She pays in £300 a month.
- Paid in each year: £300 × 12 = £3,600.
- Bonus each year at 25%: £900.
- After four years: £14,400 paid in plus £3,600 bonus = £18,000, before any interest or growth.
The price of £230,000 is below the £450,000 limit, so that condition is met. If she wanted a £480,000 property instead, the price would be above the limit, and gov.uk's conditions would not be met. The remaining conditions would still need checking: the 12-month gap, a conveyancer, and a mortgage. The Lifetime ISA calculator can run other amounts, and its results are illustrations, not forecasts.
What is not guaranteed?
- A stocks and shares Lifetime ISA can fall in value, and the bonus does not protect against that.
- The pages read do not say whether the property limit changes over time. It is set by the government and could be revised.
- Meeting the conditions does not guarantee a purchase proceeds. The pages read do not say what happens to the funds if a sale falls through, so ask your provider.
For the allowance across several accounts, the Advanced ISA Planner and the ISA calculator show illustrations.
What to check against the eligibility rules
- The age window and the date the account would be opened.
- UK residence, or the Crown servant route.
- The intended use: first home, later life, or both, and whether the provider offers a cash or a stocks and shares version.
- The property price against the £450,000 limit, and the source of any mortgage.
- The 12-month period from the first payment.
- Whether a Help to Buy ISA is also held.
Frequently asked questions
Can I open a Lifetime ISA at 40?
No. gov.uk says you must be under 40 to open a Lifetime ISA, and that the first payment must be made before you are 40. The window runs from age 18 to age 39.
Can a non-UK resident open a Lifetime ISA?
gov.uk gives two routes: being resident in the UK, or being a member of the armed forces or a Crown servant (extended to a spouse or civil partner). A person outside both can check the page or ask a provider.
How many Lifetime ISAs can I pay into each tax year?
gov.uk says you can only pay into one Lifetime ISA in a tax year. The £4,000 limit also counts towards the overall £20,000 ISA allowance.
Can I open a Lifetime ISA if I already own a home?
The gov.uk page on who can open one lists age and residence only. The first-time buyer condition applies where the savings are used to buy a first home, so ask your provider about your own case.
This guide does not constitute financial advice. Your personal situation, tax position, and savings goals may mean different strategies are appropriate. Consider speaking to a regulated financial adviser if you are uncertain.
