Fixed vs Tracker Mortgage: Which Is Better for You?

These are the two products 95% of UK borrowers actually choose between. Fixed-rate mortgages lock your interest rate for a set period — typically 2, 3, 5 or 10 years. Trackers float with the Bank of England base rate plus a margin — so your monthly payment moves up or down whenever the BoE meets.

There's no universally "better" choice. The right answer depends on where rates are headed (which nobody knows for certain), how long you'll stay in the home, and how much volatility you can stomach.

How a fixed-rate mortgage works

You agree a rate with the lender (e.g. 4.7%) for a fixed period (e.g. 5 years). For those 5 years, your monthly payment doesn't change, regardless of what happens to the wider economy.

At the end of the fixed period:

• You can remortgage to a new fix (or tracker)
• Your lender will offer a "product transfer" — a new fix without changing lender
• If you do nothing, you roll onto the lender's standard variable rate (SVR)

Pros: predictable, easy to budget, protects you against rate rises. Cons: usually a small premium over the equivalent tracker, large early repayment charges if you exit early, you don't benefit if rates fall.

How a tracker mortgage works

The rate is set at "BoE base rate + X%". So if the base rate is 5.25% and the margin is 0.5%, your rate is 5.75%. When the Bank of England changes the base rate at one of its 8 annual meetings, your rate (and monthly payment) changes within the next billing cycle.

Trackers come in three lifecycle flavours:

• Discounted introductory tracker — discounted margin for 2–5 years, then reverts to SVR
• Lifetime tracker — tracks BoE for the entire term, no end date
• Capped tracker — tracks but with a ceiling rate (rare)

Pros: usually cheaper than equivalent fix at the time of taking it out, you benefit immediately if rates fall, often no early repayment charge. Cons: monthly payments rise immediately if the BoE hikes, harder to budget, lifetime trackers can have higher margins than introductory ones.

Side-by-side example

A £200,000 mortgage over 30 years:

If you take the tracker and base rate falls 1% over the 2 years, you'd pay an average of around 5.15%, lower than the fix. If it rises 1%, you'd average 6.15%, higher than the fix.

The bet is on direction.

When fixed wins

• You value certainty above all else
• Your budget is tight and a payment rise would create real stress
• Rates are clearly low by historical standards (locking in matters)
• You expect to stay in the home for the duration of the fix

The longer the fix, the more "insurance" you're paying for. A 5-year fix typically costs 0.1–0.4% more than a 2-year fix in stable markets.

When tracker wins

• You think rates will fall within your time horizon
• You can absorb 30–50% rises in monthly payment without distress
• You may sell or remortgage soon — most trackers have no early repayment charge
• Rates are clearly high historically and have peaked or close to it

The April 2026 context: after the BoE base rate cuts through 2024-25 took the rate down materially from its 2023 peak, the rate environment is much calmer than during the 2022-23 squeeze. Many borrowers are once again willing to lock into 5-year fixes for stability, while those expecting further cuts favour short trackers. Whichever way you lean, the bet is on the future direction of UK inflation and base rate.

What about a 10-year fix?

The rare third option. Locks you in for a decade. Useful if:

• You're planning to stay 10+ years
• You believe rates will average higher over the next decade
• You want a "set and forget" product

The downsides: ERCs can apply for the full 10 years (often 6% in year 1 dropping to 1% by year 10), portability is more important if you might move, and lifestyle changes can leave you stuck. Read 10-year fixed mortgage for the detail.

What about 2-year vs 5-year fixed?

The most common choice. The 2-year fix is more flexible (you can renegotiate sooner), the 5-year fix gives you more certainty for longer. There's a full breakdown in 2-year vs 5-year fixed mortgage.

Discount vs tracker — what's the difference?

Both are variable. The key difference:

• Tracker — moves with Bank of England base rate (transparent, public benchmark)
• Discount — moves with the lender's SVR (set by the lender, less predictable)

Trackers are widely seen as better because they're transparent. SVRs are at the lender's discretion and historically don't always move 1:1 with the BoE.

What happens at the end of a fixed deal?

You roll onto SVR unless you remortgage or take a product transfer. SVR is typically 6.5–8.5% in 2026, far above any active deal. Always remortgage or PT before the fix ends — see When to remortgage.

Are there hybrids?

A few less common products combine elements:

• Capped tracker: tracks but with a ceiling — caps the upside risk but typically with a worse base rate
• Two-step / stepped fixed: rate increases at a known point during the fix
• Offset mortgage: linked to a savings account to reduce interest charged. See Offset mortgage explained

A simple decision framework

Ask three questions:

1. Can I afford a 30% payment rise without panic? If no → fixed.
2. Do I expect to be here for 5+ years? If yes → 5-year fix often beats stacking 2-year fixes.
3. Are rates near a multi-year peak? If yes → consider a short tracker or short fix to reposition when they fall.

Most first-time buyers should default to a 5-year fix for life-stage stability. Most remortgagors mid-career should choose based on the 30%-rise question above.

Get a free mortgage quote — see live fixed and tracker rates side-by-side from across the market.

Frequently asked questions

Can I switch from a fixed to a tracker mid-deal? Generally no — you'd need to remortgage and likely pay an early repayment charge.

What's the longest fix available? Habitually 10 years. Some lenders (Kensington, Habito with Perenna) offer 25–40 year fixes — niche products with specific use cases.

Is the SVR the same thing as a tracker? No. SVR is the lender's "default" rate, set by the lender. A tracker is fixed margin above the BoE base rate.

What if base rate falls but my lender doesn't pass it on? On a true tracker, they must — the margin is contractually fixed. On a discount or SVR, they can sit on it.

Can I overpay on a tracker? Most trackers allow 10% overpayment per year, same as fixes. Some have no overpayment cap at all.

This article is for informational purposes only and does not constitute financial advice. Always consult a qualified mortgage adviser before making a decision.