3-year fixed-rate mortgages

A 3-year fixed-rate mortgage locks in your interest rate for three years. During the fixed period, your monthly payments are usually the same (subject to any changes to fees or charges that aren’t part of the interest rate). For many home buyers, a 3-year fix can feel like a practical middle ground between shorter and longer fixed terms.

This guide explains how 3-year fixes work, the main trade-offs, and what to consider when comparing deals.

What is a 3-year fixed-rate mortgage?

With a 3-year fixed deal, the interest rate is fixed for the full three-year term. That means your rate won’t move up or down in response to changes in the wider mortgage market while the fix is in place.

At the end of the three years, your mortgage will typically move to a new rate set by your lender (often their standard variable rate or another follow-on option). At that point, you may choose to remortgage or switch products depending on your circumstances.

Why choose a 3-year fixed-rate mortgage?

A 3-year fix can suit borrowers who want stability, but also want the flexibility to review their mortgage sooner than with a longer term.

1) Payment certainty for three years

Knowing your interest rate is fixed for a defined period can make budgeting easier. It can also reduce the risk of payment increases if mortgage rates rise.

2) A balance of stability and flexibility

Compared with a 2-year fix, a 3-year term gives you an extra year of certainty. Compared with a 5-year fix, it gives you an earlier opportunity to reassess your options if rates become more competitive.

3) Potential protection if rates rise

If interest rates increase during your fixed period, your rate generally remains unchanged. This can be valuable if you’re concerned about affordability under a higher-rate environment.

Disadvantages of a 3-year fixed-rate mortgage

A 3-year fix isn’t always the best choice for every borrower. The main downsides usually relate to what happens if rates fall, and the costs of leaving early.

1) If rates drop, you may not benefit immediately

If market rates fall during your fixed term, you typically can’t switch to a cheaper deal without potentially paying early repayment charges (where applicable). In many cases, the cost of exiting early can outweigh the savings from a lower rate.

2) You’ll need to plan for your next deal sooner

Because the fixed term is shorter than a 5-year deal, the point at which you need to make decisions about your follow-on mortgage comes around earlier.

3) Early repayment charges may apply

If you move house, change mortgage terms, or repay more than allowed, you may face charges depending on the product. Understanding how these charges work is important before committing.

Typical 3-year fixed-rate pricing (by loan-to-value)

The rate you’re offered for a 3-year fixed mortgage depends on a range of factors, including your loan-to-value (LTV), credit profile, property type, and the specific product terms.

In general, lenders price risk differently depending on how much of the property value you’re borrowing, so rates can vary by LTV.

Rates and pricing move over time and vary by lender and borrower profile. The table above is intended to show the general direction of pricing by LTV, not a guaranteed rate you’ll receive.

How expensive are 3-year fixed-rate mortgages?

In many market conditions, 3-year fixed rates tend to sit between 2-year and 5-year fixes.

• A 2-year fix may be priced more aggressively because the lender is exposed to market changes for a shorter period.
• A 5-year fix can be priced higher because the lender is locking in the rate for longer.
• A 3-year fix often reflects a middle position: you get a longer certainty than 2 years, but you’re not committing for as long as 5 years.

However, pricing doesn’t always follow a simple pattern. Product fees, deal structure, and lender pricing strategies can mean that the “cheapest rate” isn’t always the most cost-effective option once all costs are considered.

What happens when your 3-year fixed deal ends?

When the fixed period ends, your mortgage will usually move onto a new rate. This is often higher than the fixed rate you’ve been paying, which is why it’s helpful to plan ahead.

Common options include:

• Remortgaging to a new deal (potentially with a different lender)
• Product transfer with your existing lender (where available)

The best approach depends on factors such as your remaining balance, whether your circumstances have changed, and how any early repayment charges may apply.

Will mortgage rates come down in the next three years?

No one can predict mortgage rates with certainty. Even when there’s an expectation that rates may fall, the timing and pace can vary.

A 3-year fixed term can be reassuring because it gives you a defined period of stability while you assess what the market is doing and decide what to do when your deal ends.

How to compare 3-year fixed-rate mortgages

When reviewing deals, it’s useful to look beyond the headline interest rate. Consider:

• Product fees (and whether they’re added to the loan or paid upfront)
• The overall cost over the fixed term, not just the rate
• Early repayment charges and how they apply if you move or make changes
• Overpayment allowances (and any limits or penalties)
• Whether the deal includes features that match your plans (for example, flexibility if you expect to change your mortgage in the near future)

Is a 3-year fix right for you?

A 3-year fixed-rate mortgage may be a good fit if you want:

• Stability for a meaningful period without committing to a longer term
• The option to review your mortgage sooner than with a 5-year fix
• Confidence in budgeting for the next three years

It may be less suitable if you strongly expect to benefit from a lower rate within the next three years and you’re not comfortable with the potential costs of switching early.

Related reading

If you’re comparing fixed terms, it can help to review how other options work:

• 2-year fixed-rate mortgages
• 5-year fixed-rate mortgages
• 10-year fixed-rate mortgages