Fixed-rate savings bonds usually pay more than easy-access accounts, but they lock your money away — often for one, two or five years — and typically charge a penalty or forbid withdrawals altogether before maturity. Laddering is a simple technique that lets you capture higher fixed rates while still getting regular access to part of your savings.
What is bond laddering?
Instead of putting all your savings into a single fixed-rate bond, you split it across several bonds with different maturity dates — for example, one maturing in one year, one in two years and one in three years. As each "rung" of the ladder matures, you can spend the money, reinvest it in a new long bond to extend the ladder, or move it wherever rates are best at the time.
How it works in practice
Say you have £15,000 to put into fixed-rate bonds. A simple three-rung ladder might look like this:
| Bond | Amount | Term | Matures |
|---|---|---|---|
| Rung 1 | £5,000 | 1 year | Year 1 |
| Rung 2 | £5,000 | 2 years | Year 2 |
| Rung 3 | £5,000 | 3 years | Year 3 |
When Rung 1 matures at the end of year one, you have a decision point: take the cash, or reinvest into a new 3-year bond, which keeps the ladder rolling so that, from year two onwards, one rung matures every year indefinitely.
Why bother, instead of just picking the best rate?
- Access without breaking a bond early. Rather than locking everything away for five years and being stuck if you need cash, you always have a tranche coming free within the next year or so.
- Averaging interest-rate risk. If rates rise after you fix, only part of your money is stuck at the old, lower rate — the rest reinvests sooner at the new, higher rate. If rates fall, part of your money is still locked in at the older, better rate.
- Usually higher average return than an equivalent easy-access account, since longer fixes tend to pay more than instant-access savings.
Laddering vs. one long bond vs. easy access
| Approach | Typical rate | Access | Interest-rate risk |
|---|---|---|---|
| Easy access account | Lowest | Immediate | Rate can be cut at any time |
| Single long fixed bond | Highest | None until maturity (or penalty) | Stuck if rates rise |
| Laddered bonds | Blended, above average | Partial, on a rolling basis | Averaged out |
Setting up a ladder
- Decide how much total cash you're comfortable tying up, keeping a separate easy-access emergency fund outside the ladder.
- Choose a number of rungs (three to five is common) and a term length for the ladder to run over.
- Shop around for the best rate for each term rather than using one provider for everything — rates vary between banks and building societies.
- Keep eligible deposits with any one institution within the FSCS protection limit of £85,000 per person.
- Note maturity dates in a calendar, since many bonds auto-renew into a new term at a possibly poorer rate if you don't act.
Common mistakes
- Forgetting that most fixed bonds don't allow any withdrawals at all — laddering manages this by timing, not by giving you early access within a single bond.
- Letting a bond auto-roll into a new fixed term without checking whether the new rate is still competitive.
- Ignoring your Personal Savings Allowance — interest from multiple maturing bonds in the same tax year could push you over the tax-free threshold for savings interest.
What to do next
If you have a lump sum you're unlikely to need in full immediately but want better returns than easy access offers, sketch out a simple ladder using current best-buy fixed rates across one, two and three-year terms, and set a reminder for each maturity date so you can reinvest or withdraw deliberately rather than by default.