Pension or ISA: Which is best for your savings?

This content was reviewed and approved by Tamlin Russell.

Any references to tax-free or tax treatment are based on our understanding of current legislation and tax treatment at the time of writing, which may of course change in the future.

When deciding how to save or invest for the future, one of the most common questions people face is whether a pension or an ISA is the better option. Both are popular, tax-efficient ways to grow your money, but they are designed for different purposes and work in different ways.

The right choice depends on your goals, your tax position, and when you expect to need access to your money. In many cases, the answer isn’t pension or ISA, but a combination of both.

Lifetime ISAs (LISAs) vs pensions 

Lifetime ISAs (LISAs) sit somewhere between pensions and traditional ISAs, combining elements of both.

Similarities & differences 

Like pensions, LISAs benefit from a government bonus. You receive a 25% bonus on contributions, up to a maximum bonus each year.

This makes LISAs particularly attractive to basic-rate taxpayers, as the bonus is broadly equivalent to pension tax relief.

However, LISAs are technically a type of ISA, meaning withdrawals for qualifying reasons are tax free. LISAs can be used either to buy a first home or to provide funds later in life.

Compared to pensions, LISAs offer more flexibility but come with stricter contribution limits and age restrictions.

The Government have confirmed that the LISA is to be replaced with a new first time buyers’ product. Consultation on this will take place in early 2026, with no launch date yet confirmed.

Eligibility and withdrawal rules

You can only open a LISA between the ages of 18 and 39, and you can only contribute until age 50. Withdrawals are penalty free if used to buy a first home or taken from age 60 onwards.

If you withdraw money for any other reason, a withdrawal charge usually applies, which can result in getting back less than you paid in. This makes LISAs unsuitable for short-term or emergency savings.

Because of these rules, LISAs tend to work best as a complement to pensions and ISAs, rather than a replacement.

Practical guidance: How to choose 

When comparing a pension and an ISA, it’s often helpful to think about when you want the tax benefit and how you’ll access the money later. Rather than choosing one over the other, many people use both to balance upfront tax relief with long-term flexibility.

Use pensions for upfront tax efficiency

Pensions can be particularly effective if you want to reduce your tax bill or be more tax efficient now.

Contributions usually receive tax relief at your marginal rate, meaning the government boosts what you pay in.

For example, a basic-rate taxpayer contributing £80 would typically see this increased to £100, while higher-rate taxpayers will be able to claim additional relief.

Pensions also benefit from 25% tax-free cash on withdrawals, making them especially tax efficient for retirement planning.

Use ISAs for tax-free access later

ISAs don’t offer tax relief when you contribute, but all investment growth and withdrawals are tax free.

This can be valuable if you want certainty about how much you can take out in the future, or if you expect to be in a higher tax band later in life.

Think about tax when you withdraw, not just when you save

Pension withdrawals beyond any tax-free amount are usually taxed as income, which can affect your tax band in retirement.

ISA withdrawals don’t count as taxable income, making them useful for topping up income without increasing your tax bill.

Combine pensions and ISAs to manage retirement tax

Using pensions and ISAs together can give you more control in retirement.

Pension income can provide a reliable foundation, while ISAs can be drawn on flexibly to manage spending and provide a rainy day fund.

Need guidance with Pensions or ISAs? LV= can help

Deciding how to balance pensions and ISAs can feel complex, particularly as your circumstances change over time.

Professional guidance from our team of financial advisers can help you understand your options and build a strategy that aligns with your goals.

LV= offers support and expertise to help you navigate pension and ISA choices, ensuring your savings work as hard as possible for your future.

Want to learn more? Get in touch with us today.

Pensions and ISA FAQs

Should I put money into a pension or an ISA first?

This depends on your circumstances. Many people prioritise workplace pensions to benefit from employer contributions, then use ISAs for additional flexibility.

Others may focus on ISAs first if access to funds is important. Ultimately, it’s down to your preferences and personal circumstances, so speaking to a financial adviser can help you make the right decision.

Can I have both a pension and an ISA?

Yes. You can hold both at the same time, and many people do.

Using both can provide a good balance between long-term retirement savings and accessible funds.

What happens to my ISA or pension when I die? 

Your ISA will usually end when the administration of your estate is complete, when the assets can be passed on to your beneficiaries. If you have a surviving spouse or civil partner, they will get an additional ISA allowance of the value of your ISA.

At present, pensions are typically outside of your estate for inheritance tax purposes, although the Government have announced that these rules will change from April 2027. Whether your beneficiaries will have to pay income tax depends on your age at death and how the pension is structured, although it is usually possible for your beneficiary to retain the money in a tax-efficient pension environment.