Fixed-Rate Loans: What Is a Fixed-Rate Loan?

Fixed Rates, Explained Simply

If you have ever looked at a mortgage or a loan and seen the words "two-year fixed" or "five-year fixed", you have already met a fixed-rate loan. The idea is straightforward: your interest rate stays the same for an agreed length of time, so your repayments stay the same too.

That sounds simple, and it mostly is. But there are a few details worth understanding before you commit, particularly around what happens when the fixed period ends. Here is the whole picture in plain English.

Is This The Right Read For You?

This guide is for anyone in the UK weighing up a mortgage, a personal loan or business borrowing and wondering whether to fix. It will be especially useful if you are a first-time buyer, coming to the end of an existing deal, or simply someone who likes knowing exactly what leaves your bank account each month.

What A Fixed-Rate Loan Actually Is

A fixed-rate loan is borrowing where the interest rate is locked for an agreed period, known as the fixed term or initial period. During that window, your regular repayment does not move. It does not matter if the Bank of England raises rates, or if lenders start cutting them: your payment stays exactly as agreed until the fixed period ends.

In the UK, fixed-rate mortgages are the most common type of home loan, and most borrowers choose either a two-year or a five-year fixed period. Some lenders offer longer fixes, occasionally up to ten years. Barclays, HSBC, NatWest and Halifax all offer fixed-rate mortgages as standard products, so this is mainstream lending rather than anything unusual.

Fixed rates are not limited to mortgages either. Personal loans are often fixed for their whole term, and business loans can fix for an initial period before moving to a variable structure.

A fixed rate buys you certainty over your monthly payment. It does not promise you the cheapest possible deal.

How It Works In Practice

When you apply, the lender assesses your circumstances and offers a rate based on how much you want to borrow, the term, and, for mortgages, your loan-to-value (LTV) - the size of your loan compared with the property's value. You then agree a fixed period, and your repayment is calculated so it stays level throughout that window.

Deposit size matters a great deal here. Rightmove's mortgage data consistently shows that deals at 90% and 95% LTV are priced above all-lender averages, because a smaller deposit means more risk for the lender. Two borrowers can both have a "five-year fixed" mortgage and pay noticeably different rates purely because of their deposits.

When the fixed period ends, the loan usually reverts to the lender's standard variable rate (SVR) unless you remortgage or switch to a new product. MoneyHelper explains that the SVR is set by the lender and can change at any time, so payments can shift meaningfully at that point. Business fixed-rate loans often follow a similar pattern: Virgin Money, for example, fixes for up to five years before moving to a base-rate loan for the rest of the term.

Why Borrowers Choose To Fix

The main reason is budgeting confidence. Barclays and HSBC both describe it the same way: with a fixed rate, your payment does not change during the fixed period, whether rates rise or fall. If your household runs to a tight monthly budget, or you are stretching to buy your first home, knowing your largest outgoing to the penny is genuinely valuable.

Context helps too. Uswitch has reported average UK rates of around 5.37% for two-year fixes and 5.48% for five-year fixes at 75% LTV, while Rightmove's tracker has shown averages nearer 4.94% for both, with the lowest deals around 4.23% to 4.24%. The gap between those figures is not a contradiction: it reflects differences in lender, LTV, timing and data source. What it tells you is that fixed-rate borrowing is widely available, but still sits well above the ultra-low-rate era many people remember.

Fixing is therefore best seen as a planning tool. You are paying for predictability, and only you can judge how much that is worth against the possibility of rates falling.

Weighing Up Both Sides

Advantages	Trade-offs
Repayments stay the same for the whole fixed period	You do not benefit automatically if market rates fall
Easier household or business budgeting and forecasting	Early repayment charges often apply if you exit early
Protection from interest rate rises during the term	Fixed deals may carry arrangement or product fees
Widely offered by mainstream UK lenders, so easy to compare	Payments can jump when the fixed period ends
Useful when affordability is tight or income is fixed	Overpayments may be capped during the fixed term

Details That Deserve A Second Look

The word "fixed" tells you how the rate behaves, not how much the loan costs. UK comparison listings show wide spreads between lenders even within the same fixed-term category, with differences in initial rate, product fees and LTV bands. Two deals can feel identical from a budgeting point of view yet cost very different amounts across the fixed period, so look at the total cost over the term rather than the headline rate alone.

Check the end date and diarise it. Drifting onto an SVR by accident is one of the most common and most expensive mistakes in UK borrowing. Most lenders let you line up a new deal several months in advance.

Also read the small print on early repayment charges, overpayment limits and whether the deal is portable if you move home. And be honest about your plans: a five-year fix suits someone settled, while a shorter fix may suit someone expecting change.

Other Routes Worth Considering

1. Variable-rate or tracker deals - your rate moves with the market or the Bank of England base rate, so payments can fall as well as rise. Suits borrowers who can absorb some fluctuation.
2. Discounted variable rates - a discount off the lender's SVR for a set period, often cheaper initially but still exposed to rate changes.
3. Offset arrangements - link savings to your borrowing to reduce interest, useful if you hold meaningful cash reserves.
4. Longer fixes of seven to ten years - maximum certainty over a longer horizon, though usually with less flexibility.
5. Product transfer with your existing lender - switching to a new deal internally, often with lighter paperwork than a full remortgage.
6. A shorter borrowing term or larger deposit - reduces total interest paid and can unlock better pricing at a lower LTV.

Common Questions Answered

Does a fixed rate last for the whole mortgage? Usually not. The fix covers an initial period - commonly two or five years - and then the loan typically reverts to the lender's standard variable rate unless you remortgage or switch product.

What happens if rates fall while I am fixed? Your payments stay the same. That is the trade-off: you are protected from rises but do not automatically benefit from cuts. Leaving early usually triggers an early repayment charge.

Is a two-year or five-year fix better? Neither is universally better. A two-year fix gives you the chance to review sooner; a five-year fix gives longer certainty. Your plans, budget and appetite for change matter more than the label.

Why are two fixed-rate deals priced so differently? Mainly loan-to-value, lender appetite, fees and timing. A larger deposit generally means lower risk for the lender and better pricing for you.

Can business loans be fixed? Yes. Some UK business loans fix repayments for an initial period, often up to five years, before moving to a base-rate structure for the remaining term.

When should I start looking for my next deal? Many borrowers begin three to six months before their fixed period ends, which leaves time to compare options and avoid slipping onto an SVR.

Where Kandoo Fits In

Kandoo is a UK finance broker, which means we help you see the options available rather than pushing a single product. We explain how fixed and variable structures differ, what the fees and terms actually mean, and how your circumstances affect the rates you are likely to be offered. If a fixed-rate deal genuinely suits your budget, we will help you compare properly. If it does not, we will say so.

Important Information

This article is general information about how fixed-rate borrowing works in the UK and is not financial advice. Rates, fees and product availability change frequently and vary by lender and circumstances. Always check current terms directly and consider speaking to a qualified adviser before committing. Your home may be repossessed if you do not keep up repayments on a mortgage secured against it.