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Lifetime ISA calculator

Find out how the government bonus could help you save.

The Lifetime ISA is a new tax-efficient account that can be opened by 18-39 year olds to save for their first home or retirement with a boost from the government. Once opened, you can contribute £4,000 each year up until the day before your 50th birthday and the government will add an extra 25% bonus – up to £1,000 each year.

How much do you plan to contribute each year?


Please enter a valid date of birth, you must be between 18 and 39 years old to start a Lifetime ISA.

20 years

Important information: this calculator shows the total amount which will be paid into your Lifetime ISA over the selected period and is not a projection of what it will be worth. Tax rules can change and the value of any benefits depends on your circumstances. A 25% government withdrawal charge will be applied should you withdraw money other than for a first house purchase, after your 60th birthday or if you are in terminal ill health. This will be charged on the full withdrawal amount, so you could receive less than you have paid in. This will not apply in the 2017/18 tax year.

If you decide to opt out of your workplace pension to pay into a Lifetime ISA, you will not benefit from any employer-matched contributions and it may affect your current and future entitlement to means-tested state benefits.

Could your Lifetime ISA be worth more invested?

Important information: The annual growth rate actually achieved will depend on the performance of the investments chosen. Results are based on a charge of 1.25% including our platform charge and presumed charges involved with the underlying investments. They do not take account of inflation.

Remember the value of investments can fall as well as rise so you could get back less than you invest.