Overview
Money you will spend within two years has one job: to be there, in full, on the day you need it. The question is not which account pays most, but which pays most without putting the date at risk.
That makes the horizon the organising variable. This guide covers the 6-12 month case, the 12-24 month case, and the distinction that matters more than either: whether your date is fixed or approximate.
Quick Answer (Read This First)
For a 6-24 month goal, use cash, not investments. The horizon is too short to absorb a market fall and too short to recover from one.
Within cash, match the product to the date. Easy access suits money whose timing is uncertain. Notice accounts suit money you will not touch for the notice period. Fixed-rate bonds suit a non-negotiable date at least as far away as the term. Regular savers suit money still being accumulated from income. Most people use two together.
Why Investing Is the Wrong Instrument at This Horizon
The case for investing rests on time: markets fall, and holding through a fall means waiting for a recovery whose timing you cannot predict. A 6-24 month goal removes that option.
The FCA frames investing as suitable for money you will not need for at least five years, pointing to savings accounts for shorter timeframes. The reason is structural: the shorter the period, the greater the chance a fall coincides with your spending date, and the less scope to postpone. You cannot tell a seller you will wait for a rebound.
The asymmetry matters too: the upside of investing a house deposit for eighteen months is a modestly better return; the downside is not completing. Our guide to Stocks and Shares ISA basics sets out the same logic, which applies equally to products marketed as low risk but not capital-secure — "less volatile" is not "guaranteed to return your capital".
Matching the Account Type to the Horizon
| Horizon | Date certainty | Account type that usually fits | Main trade-off |
|---|---|---|---|
| 6-12 months | Fixed | Easy access, or a short bond maturing before the date | Terms rarely align under a year |
| 6-12 months | Approximate | Easy access | Variable rate can be cut |
| 12-24 months | Fixed | Fixed-rate bond ending before the date | Little access, and a penalty where it exists |
| 12-24 months | Approximate | Split: easy access plus notice or a shorter fix | Lower blended return, for flexibility |
| Any, still accumulating | Either | Regular saver, fed from easy access | Monthly cap; rate applies to a growing balance |
One rule cuts across all of it: never fix for longer than the date. A bond maturing after you need the money is worse than a lower-paying account you can reach.
The 6-12 Month Case
Easy access is the default. Under a year the rate difference between account types is small in absolute terms, while the value of flexibility is large. A variable rate can be cut, but the sum at stake from that over six to twelve months is modest, whereas being locked out at the wrong moment is not. Check whether the headline rate includes an introductory bonus expiring partway through your holding period, and whether the account caps withdrawals — some drop the rate after the third or fourth in a year.
Fixed bonds are awkward here, because the shortest common terms rarely line up with a specific date. If the money is needed in seven months, a six-month bond leaves a month uninvested and a nine-month bond misses the date.
Notice accounts sit in between, paying more than easy access and less than an equivalent fix in exchange for a set period of warning — which at this horizon consumes a meaningful share of the total. As our guide on withdrawing from a notice account early explains, early access is often unavailable at any price, not merely expensive.
The 12-24 Month Case
Beyond a year the rate gap has longer to compound, and fixing becomes practical because one and two-year bonds can be matched to a date.
The underlying judgement concerns the direction of rates, where honesty beats confidence. The Bank of England held Bank Rate at 3.75% on 30 July 2026, having held at that level in June, with CPI inflation at 2.6% in June 2026 and the Bank's central projection showing it peaking around 3.2% in the fourth quarter of 2026. The next scheduled decision is 17 September 2026. Nobody, including the MPC, knows where rates will be in eighteen months.
Fixing is therefore less a bet on rates falling than a purchase of certainty. Read the early closure terms first: many bonds forbid early withdrawal entirely, and those that allow it usually charge a set number of days' interest, as breaking a fixed-rate bond early explains.
Regular savers deserve a note. Their headline rates are usually the highest available, but the rate applies only to the balance actually in the account, which starts at one month's deposit and builds — so the effective return on the total paid in over a twelve-month term is roughly half the headline. They complement an easy access account rather than replacing it, and most convert to a much lower rate at maturity, so diarise that date. See how regular savers work.
Fixed Date Versus Roughly Then
A fixed, non-negotiable date — a wedding with staged deposits, a mortgage completion, a lease expiry — behaves like a liability. Match the instrument to it: a fixed term ending shortly before, or easy access if none fits. The caution is that "fixed" dates move. If your bond matures the week of completion and completion slips, you are fine; if it comes forward, you are not. Build in a margin, and leave a buffer in easy access for costs that arrive early.
An approximate date — a car "sometime next year", a move "probably in eighteen months" — behaves differently, because it may move either way. Splitting is usually the answer: enough in easy access to cover an early call, the remainder in a notice account or shorter fix. That trades a little return for never being forced to break a term.
IMPORTANT
Keep short-term goal money separate from your emergency fund, and do not count the same pounds twice. A house deposit is not an emergency fund that happens to be large. If an emergency arrives while the deposit is committed, you need a second, genuinely accessible pot — see how much emergency fund you need.
The Tax Wrapper Decision When the Sum Is Modest and Short-Lived
The ISA question works differently for short-term money, and the usual answer is weaker than people expect.
The Personal Savings Allowance is £1,000 for basic rate taxpayers, £500 for higher rate and £0 for additional rate. On a typical short-term balance, interest may fall entirely inside it, in which case a taxable account paying a higher rate wins. See Cash ISA vs easy access savings and how much savings interest is tax-free.
The structural argument concerns permanence. The £20,000 annual ISA allowance cannot be carried forward, so allowance spent on money you will withdraw within two years is unavailable for long-term saving. From 6 April 2027 the Cash ISA limit falls to £12,000 for savers under 65, the overall £20,000 allowance unchanged and savers aged 65 and over unaffected. Scarcer cash capacity strengthens the case for reserving it for money that stays put.
The exception is a higher or additional rate taxpayer whose allowance is already consumed, so every further pound is taxed. Check the ISA allowance rules, and compare like for like using AER rather than gross.
One point applies whatever the wrapper. FSCS protection covers £120,000 per person per authorised firm for firms failing on or after 1 December 2025, and attaches to the banking licence rather than the brand, so two brands under one authorisation share a single limit — see deposit protection across multiple banks.
Frequently Asked Questions
Looking for more on this topic? Browse all our savings guides.
Sources and Further Reading
This guide is based on regulator handbooks and official guidance:
- Bank of England — Monetary Policy Summary and Minutes — Bank Rate and inflation
- FCA InvestSmart — Golden Rules of Investing — the five-year horizon
- Financial Services Compensation Scheme — deposit protection limits
- HM Revenue & Customs — Personal Savings Allowance and ISA rules
Free, impartial money guidance is available from MoneyHelper, the government-backed service run by the Money and Pensions Service.
Related: Emergency Fund: How Much You Need | Regular Saver Accounts Explained | All savings guides.
