Six ways to build your retirement fund

March 13, 2026

Building a retirement fund can feel daunting, particularly if you’re not sure where to start.

There’s no shortage of options, from pensions and investments to ISAs, and it’s easy to put off making decisions when the choices feel overwhelming.

But building a comfortable retirement rarely comes down to one big financial move. It’s usually the result of several smaller, consistent habits you build up over time.

The good news is that wherever you are in your working life, there are practical steps you can take to improve your retirement prospects. Here are six ways to make your money work harder for you.

Make the most of your workplace pension

If you’re employed, your workplace pension is one of the most valuable financial benefits you have. So it’s worth making sure you’re getting the most from it.

Most employers are required to automatically enrol you into a workplace pension scheme and make contributions on your behalf. But many people just accept the minimum contribution rate and leave it at that. The problem is that the minimum often isn’t enough to fund a comfortable retirement on its own.

One of the most effective things you can do is check whether your employer will match any additional contributions you make. If they will, not taking them up on it is effectively turning down part of your salary.

It’s also worth asking your employer about salary sacrifice. Rather than contributing to your pension from your take-home pay, salary sacrifice means contributions come straight from your gross salary, which can reduce your National Insurance bill as well as your Income Tax. It’s a straightforward way to boost your pension while reducing the amount you pay in tax each month.

Start (or increase) a personal pension

A workplace pension is a solid foundation, but it doesn’t have to be your only retirement savings vehicle. A Self-Invested Personal Pension (SIPP) or personal pension can sit alongside it, giving you more flexibility and a wider choice of investments.

This is particularly relevant if you’re self-employed and don’t have access to an employer’s scheme, or if you’re employed but want to save more than your workplace pension allows.

One of the most attractive features of pensions generally is the tax relief you receive on your contributions. If you’re a basic rate taxpayer, HMRC effectively adds 20% on top of whatever you put in, so a £100 contribution only costs you £80. Higher and additional rate taxpayers can claim even more relief through their tax return.

That means a pension is one of the most tax-efficient ways to save for retirement in the UK. So, if you’re not already contributing to a personal pension, it’s worth exploring whether one could work for you.

Use your ISA allowance

Pensions tend to grab most of the attention when it comes to retirement planning, but ISAs can play a valuable supporting role, and they’re often underused.

Every adult in the UK has an annual ISA allowance of £20,000. Any money held within an ISA grows free from Income Tax and Capital Gains Tax, and withdrawals are tax-free, too. That last point is particularly useful in retirement, when managing your taxable income carefully can make a real difference.

The type of ISA matters, though. Cash ISAs are straightforward, but the returns rarely keep pace with inflation over the long term. If you’re saving for retirement, which is typically a long-term goal, a stocks and shares ISA is usually a better fit. Over time, stock market investments have historically outperformed cash, though the value of investments can go down as well as up.

Harness the power of compound growth

Compound growth is one of those financial concepts that sounds complicated but is actually straightforward. Once you understand it, you’ll see why starting early, or increasing contributions now, matters so much.

In simple terms, compound growth means your returns generate their own returns. Your pension pot grows, and then that growth grows, too. Over decades, it creates a snowball effect that can significantly increase the size of your final pot.

Consider this example: contributing £150 a month from age 30, assuming 5% annual growth, could give you a pot of around £142,000 by age 65. Starting the same contributions at 40 would see that figure drop to around £79,000, despite you contributing only £18,000 less in total.

The takeaway is that every year you delay costs more than just one year’s contributions. So, if you can increase your contributions now,  even modestly, the impact over time can be substantial. And once your money is invested, staying invested through market ups and downs gives your compound growth the time it needs to do its job.

Keep an eye on your investment strategy

Many people set up a pension, choose a fund, and then never think about it again. That’s understandable. Life gets busy. But it can mean your money isn’t working as hard as it should be.

How your pension is invested matters as much as how much you’re putting in. If your pot is sitting in a very cautious fund when you’re in your 30s or 40s, you could be missing out on the higher potential returns that come with a more growth-focused approach. With decades until retirement, you have time to weather any market fluctuations, so excessive caution early on can be a costly mistake.

On the other hand, as retirement approaches, gradually shifting towards lower-risk investments helps protect what you’ve built.

It’s also worth checking the fees you’re paying. Even small differences in annual charges can erode thousands of pounds from your pot over a working lifetime. And if you have multiple pensions from previous jobs, consolidating them could make your planning simpler and your charges lower. However, it’s worth taking advice before transferring, as you don’t want to lose any valuable benefits.

Plug any gaps in your National Insurance record

This one tends to fly under the radar, but it can make a meaningful difference to your retirement income.

The full State Pension is currently worth around £11,900 a year. To receive it in full, you need 35 qualifying years of National Insurance (NI) contributions. Gaps can appear for all sorts of reasons, such as career breaks, time spent abroad, periods of self-employment or unemployment. Each gap can reduce your eventual State Pension entitlement.

The good news is that you can often fill these gaps by paying voluntary NI contributions, and the cost is relatively modest compared to the long-term benefit. For many people, topping up their NI record is one of the most straightforward, cost-effective things they can do for their retirement.

You can check your State Pension forecast and identify any gaps in your record on the Government’s website. It takes only a few minutes and gives you a clearer picture of what to expect.

How can Glenrose Financial Planners help?

Everyone’s financial situation is different, and the right combination of pensions, ISAs and investments depends on your income, your goals and how far away retirement is.

However, knowing what you should be doing and putting it into practice are two very different things.

At Glenrose, we work with clients across Derby and the East Midlands to help them build retirement plans that fit their lives. We’ll look at your existing pensions and savings, identify any gaps or missed opportunities, and help you put together a clear, practical strategy.

Whether you’re just starting to think about retirement or want to make sure you’re still on track, we’d be happy to have a conversation. Book a consultation with one of our advisers today, and let’s start building the comfortable retirement you’re dreaming of.

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