The 2025 Guide to Choosing Between a 2-Year and 5-Year Fixed Mortgage

Imagine this:
You’ve just had your offer accepted on a charming Victorian terrace in Ely. You’ve already pictured where the sofa will go and which wall gets the family photos. But then comes the question from your mortgage broker:

“Do you want a 2-year or a 5-year fixed rate?”

It sounds straightforward — but in the current market, the choice could mean saving (or spending) thousands over the next few years.

The Current 2025 Mortgage Landscape

2025 has been a year of change in the mortgage market. The Bank of England’s base rate sits at 4% after cuts earlier this year, down from last year’s highs. Inflation is easing, but still higher than the Bank’s target, and many lenders are pricing in the possibility of further reductions later this year.

Average fixed rates in August 2025:

  • 2-year fix: 4.40%–4.70%

  • 5-year fix: 4.35%–4.55%

Competition among lenders is intense, especially for borrowers with strong credit and a healthy deposit. But the right choice for you will depend on much more than the headline rate.

What a 2-Year Fixed Mortgage Offers

Pros:

  • Flexibility – Ideal if you plan to move, remortgage, or make major life changes soon.

  • Potential savings if rates fall – You can switch sooner to benefit from lower rates.

Cons:

  • Frequent fees – Every time you remortgage, arrangement fees can add up.

  • Rate risk – If rates rise before your next deal, you could face higher costs.

What a 5-Year Fixed Mortgage Offers

Pros:

  • Payment stability – Your monthly repayments are fixed for 60 months.

  • Easier budgeting – Particularly helpful in uncertain economic times.

  • Better affordability checks – Some lenders offer higher borrowing amounts on longer fixes because the stress-test rate is lower.

Cons:

  • Early repayment charges – If you move or refinance early, penalties can be costly.

Affordability in 2025

Lenders “stress test” mortgages by checking if you could still afford repayments at a rate 2–3% higher than your actual deal. Because 5-year fixes often have lower stress-test rates, they can boost borrowing potential — especially useful for first-time buyers and those with tighter affordability margins.

Example: First-Time Buyer in Ely

Mortgage amount: £200,000 | Term: 25 years | Deposit: 10%

Term Interest Rate Monthly Payment

2-year fix 4.50% £1,111

5-year fix 4.40% £1,100

💬 These figures are correct at the time of writing (August 2025) and are based on average market rates for borrowers with good credit and a 10% deposit. Actual rates and repayments will vary depending on your circumstances.

The monthly difference is small, but the certainty of a 5-year fix can be worth it for many households — especially if rates rise again.

How to Decide

Ask yourself:

  1. How long will I stay in the property?

  2. Do I expect rates to fall or rise?

  3. How important is payment stability vs flexibility?

The Bottom Line

The right choice between a 2-year and 5-year fixed mortgage in 2025 depends on your life plans, financial stability, and appetite for risk. Rates are competitive now, but personal circumstances matter more than headlines.

At Cambs Ely Mortgages, we work with over 200 lenders to find the deal that fits you — not just the market.

📞 Get in touch today to compare your options and make the most informed choice.

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Understanding Mortgages: What You Need to Know Before You Borrow