The £18,570 of Savings Interest You Can Earn Tax-Free - Living Off Your Savings in Early Retirement

I'm funding these first years from cash savings and my ISA, with the pensions left untouched. It turns out the tax rules for someone in that position are more generous than I'd braced for. With little other income you can earn up to £18,570 in savings interest before paying a penny. Here's how UK savings are taxed, how safe large balances are, and how I'm structuring mine.

July 2026 : 6 min read - Part of the FreeBefore65 UK Retirement Planning Basics series. 

Now that I've stopped, the money funding day-to-day life isn't a pension. It's savings. My pensions are staying put for a few years yet, so for now I'm living off cash and drawing on my ISA, the way a lot of people bridging the gap to pension age will be. Which meant getting to grips with how savings are actually taxed once the salary stops, and how safe large cash balances really are. The tax side, as with much of this, turned out better than I'd feared. 

 

You can earn more tax-free than you'd think

If your taxable income is low, and in the years before pensions start it often is, the amount of savings interest you can earn without paying tax is surprisingly large. Three things stack up. 

1. Your personal allowance is £12,570. It can be set against savings interest like any other income, so if you've little else using it up, that's £12,570 of interest tax-free straight away. 
2. On top of that sits the starting rate for savings, a £5,000 band taxed at 0%. There's a catch. It shrinks by £1 for every £1 of non-savings income, a pension say, above your personal allowance, and it's gone once that other income reaches £17,570. But ISA withdrawals aren't taxable income, so living off your ISA doesn't erode it. If the only real taxable income you have is the savings interest itself, you keep the full £5,000. 
3. Then there's the personal savings allowance, another £1,000 tax-free for a basic-rate taxpayer, or £500 if you're a higher-rate one. 

Add them together and someone with no other taxable income can earn up to £18,570 in savings interest in a year and pay nothing on it. That's a lot of interest, and it's one of the quiet advantages of the bridge years, when your taxable income is at its lowest. It closes once a pension or the State Pension starts filling the allowance, which is another reason those early years are the ones to make the most of. 

 

What that looks like in real savings 

Allowances measured in interest are hard to picture, so it helps to turn them back into balances. At a savings rate of around 4.5%*, roughly what's on offer as I write this, though rates move and yours may differ, you'd need: 

• about £22,000 in savings to use up the £1,000 personal savings allowance on its own; 
• around £130,000 to reach £6,000 of interest, the £5,000 starting-rate band plus the PSA, which is roughly the position if your other income matches your personal allowance; 
• somewhere near £400,000* to generate the full £18,570, with no other taxable income at all. 

Very few people hold four hundred thousand pounds in cash, so in practice most early retirees on a modest taxable income earn their savings interest well within the tax-free zone without needing to think about it. 

* savings interest rates vary, so roughly, £400k at 4.5% becomes nearer £370k at 5% or £460k at 4%

 

ISAs sit outside all of this 

Interest earned inside an ISA is tax-free and doesn't count towards any of those allowances, which is why an ISA is worth filling before ordinary savings. It's also worth knowing that from April 2027 the amount under-65s can pay into a Cash ISA each year drops from £20,000 to £12,000, part of a wider set of changes I've written about separately. For now the £20,000 still stands. But given the tax-free headroom above, plenty of early retirees on a modest taxable income won't pay tax on their ordinary savings either. 

 

The savings options, and the trade-off that runs through them 

The menu hasn't changed much, but what you want from it does once savings are funding your life rather than sitting as a rainy-day fund. 

Easy-access accounts let you take money whenever you need it, at a slightly lower rate. This is where your near-term spending money wants to be. Fixed-rate bonds pay more but lock the money away for a set term, usually one to five years, with penalties or no access if you break in early. Notice accounts sit between the two. Regular savers pay high rates on small monthly amounts. Cash ISAs shelter the interest from tax. And Premium Bonds, run by NS&I, pay no interest at all but hand out tax-free prizes instead, with your capital safe and accessible. 

The tension for anyone living off savings is between access and rate. You need enough in easy-access to cover the next stretch of spending without disturbing the rest, but leaving everything there means earning less than you could. The approach I've taken, and it's a common one, is a rough ladder. A cash buffer for the near term, and fixed-rate bonds maturing at intervals so money frees up in stages rather than all being locked away or all sitting idle. 

 

Protecting large balances 

If you're holding a meaningful amount in cash, and drawing an income from it means you probably are, protection matters. The Financial Services Compensation Scheme covers your money if a UK-authourised bank, building society or credit union fails. Since December 2025 that protection is £120,000 per person per institution, up from the long-standing £85,000, or £240,000 on a joint account. Anything above the limit with a single institution isn't covered, so large holdings are worth spreading across separate providers. Watch for banks that share a banking licence, because the limit applies across the whole group, not per brand. 

Two things sit outside the standard limit. NS&I, which runs Premium Bonds among other products, is backed by the Treasury rather than the scheme, so money held there is protected in full whatever the amount. And if you've a large balance only temporarily, from selling a house or receiving an inheritance, a "temporary high balance" of up to £1.4 million is covered for six months while you work out where it should go. 

 

A caveat worth adding

The rules make cash comfortable, and after a working life of building the pot it's tempting to keep a lot of it safe and liquid. But cash held for years loses spending power to inflation, quietly, in a way a falling investment at least makes obvious. Cash is the right home for money you'll spend soon, and for the security of knowing a year or two is covered whatever the markets do. For money you won't need for a decade, a savings account can be its own slow risk. Where the line falls between the two is a personal call, and one I'm still working out myself. 

 

How the tax gets paid, if you owe any 

If you do go over the allowances, there's rarely anything dramatic to do. Banks and building societies report the interest they've paid you to HMRC automatically. Any tax owed is normally collected through an adjustment to your tax code, or through self-assessment if you already file a return. For most people on a modest taxable income in the early retirement years, though, the interest falls within the tax-free headroom and there's nothing to pay. 

A few weeks in, living off savings while the pensions wait, the picture is more relaxed than I expected. Most of the interest sits inside the tax-free band, the protection limits have just gone up, and the real work is unglamorous. Spreading the cash so it's covered, keeping enough within reach, and not letting so much sit in savings that inflation nibbles at it. I'll take unglamorous.

 

Part of the FreeBefore65 UK Retirement Planning Basics series.