UK Mortgage Rates Explained: Fixed, Variable and SVR

Every mortgage rate you see advertised is built from three components: a benchmark interest rate, the lender's cost of funding, and a profit margin. Understanding these building blocks explains why mortgage rates do not always move in lockstep with the Bank of England Base Rate — and why some deals can seem surprisingly cheap or expensive.

The Bank of England Base Rate is the interest rate at which commercial banks can borrow from the central bank overnight. It currently stands at 3.75%, having been cut from its post-2008 peak of 5.25% in a series of reductions that began in August 2024. The Base Rate directly influences variable-rate mortgages, particularly tracker deals that are contractually linked to it.

Swap rates are arguably more important for fixed-rate mortgages. A swap rate is the interest rate at which banks — compare via Bank of England statistics — can exchange floating-rate payments for fixed-rate payments over a set period. When a lender offers you a five-year fixed mortgage, it typically hedges its risk by entering a five-year interest rate swap. The cost of that swap — determined by market expectations of future interest rates — forms the floor of your fixed rate. As of early 2026, two-year swap rates sit around 4.1% and five-year swaps around 4.0%, reflecting market expectations that the Base Rate will settle somewhere between 3.25% and 3.75% over the medium term.

The lender's margin covers operating costs, credit risk, regulatory capital requirements, and profit. This margin typically ranges from 0.5% to 1.5% above the lender's funding cost, depending on competition, the loan-to-value ratio, and the borrower's risk profile. In highly competitive market conditions — such as the price war seen in early 2026 — lenders may compress margins to win market share, which is how Nationwide was able to offer a two-year fix at 3.54% despite swap rates above 4%.

Fixed-rate mortgages are by far the most popular choice in the UK, accounting for roughly 95% of new mortgage lending. With a fixed rate, your monthly payment stays exactly the same for the duration of the deal — typically two, three, five, or ten years — regardless of what happens to the Base Rate or swap rates.

Two-year fixed rates are the most commonly taken product. They offer the shortest commitment period and often (though not always) the lowest headline rate. In the current market, competitive two-year fixes start from around 3.50% to 4.00% at 60% loan-to-value (LTV), rising to 4.50% or more at 90-95% LTV. The disadvantage is that you will need to remortgage every two years, paying arrangement fees each time and accepting the risk that rates may be higher when your deal expires.

Five-year fixed rates have grown significantly in popularity since the rate shock of 2022-2023, when borrowers on two-year fixes faced dramatic payment increases at renewal. A five-year fix provides longer-term certainty and reduces remortgaging costs over time. Current five-year fixed rates typically sit 0.1% to 0.3% above equivalent two-year deals — a relatively small premium for three extra years of payment certainty.

Ten-year fixed rates remain a niche product in the UK, unlike in the United States where 30-year fixes are standard. They appeal to borrowers who want maximum certainty and plan to stay in their property long-term. However, they come with higher rates (typically 0.5% to 1.0% above five-year fixes) and may carry significant early repayment charges (ERCs) if you need to move or remortgage before the deal ends.

The key advantage of any fixed rate is predictability: you know exactly what your payments will be, making budgeting straightforward. The risk is opportunity cost — if the Base Rate falls significantly during your fix, you are locked in at a higher rate. However, most borrowers find the peace of mind worth the potential premium.

See our debate: Lock In Your Fixed Rate Now vs Don't Panic-Buy a Fixed Mortgage.

Variable-rate mortgages make up a small but important segment of the UK market. Your payments can go up or down depending on interest rate movements, which means they carry more risk but can also offer savings if rates fall.

Standard Variable Rate (SVR) is the lender's default rate, and it is almost always a bad deal. The SVR is set entirely at the lender's discretion — there is no contractual link to the Base Rate or any other benchmark. Most SVRs currently sit between 6.5% and 8.0%, far above the best fixed or tracker rates available. You will typically fall onto your lender's SVR when a fixed or introductory deal expires, which is why remortgaging before your deal ends is so important. Approximately 600,000 UK households are estimated to be on their lender's SVR, collectively overpaying by billions of pounds each year.

Tracker mortgages follow the Bank of England Base Rate by a set margin. For example, a tracker at 'Base Rate plus 0.75%' set by the Bank of England would currently charge 4.50% (3.75% + 0.75%). If the Base Rate falls to 3.50%, your rate automatically drops to 4.25%. Trackers offer transparency — you always know exactly why your rate is what it is — and they tend to outperform fixed rates when the Base Rate is falling. The risk is clear: if the Base Rate rises, so does your payment, with no cap on how high it can go unless your deal specifically includes one.

Discount variable rates offer a set discount below the lender's SVR for an introductory period. For instance, 'SVR minus 2.0%' on a 7.0% SVR gives you 5.0%. The catch is that both the SVR and therefore your discounted rate can change at any time at the lender's discretion. These deals are less transparent than trackers and have become relatively uncommon.

For borrowers who believe the Bank of England will continue cutting rates through 2026 — and market pricing suggests at least one more cut is likely — a tracker mortgage can be an attractive short-term option — see our remortgaging timing guide —, particularly if it comes without early repayment charges, allowing you to switch to a fix later if the outlook changes.

Two borrowers applying for a mortgage on the same day can be offered wildly different rates. Understanding what lenders look at helps you position yourself for the best possible deal.

1. Loan-to-value ratio (LTV) is the single biggest factor. LTV is the size of your mortgage as a percentage of the property's value. A £180,000 mortgage on a £200,000 property is 90% LTV. Lenders offer their best rates at 60% LTV or below, with each band above that — 75%, 80%, 85%, 90%, 95% — typically adding 0.2% to 0.5% to the rate. The difference between a 60% LTV and 95% LTV deal can easily be 1.0% or more.

2. Credit score and history matter significantly. Lenders check your credit file with agencies like Experian, Equifax, and TransUnion. Late payments, defaults, county court judgements (CCJs), or a history of relying heavily on credit can push you into 'adverse credit' territory, where rates are substantially higher. Conversely, a clean credit history with evidence of responsible borrowing opens the door to the most competitive deals.

3. Income and affordability determine how much you can borrow. Since the Mortgage Market Review (MMR) rules introduced by the FCA in 2014, lenders must 'stress test' your ability to repay at higher interest rates — typically your pay rate plus 1-2 percentage points. Self-employed borrowers usually need at least two years of accounts or SA302 tax calculations and may face slightly higher rates from some lenders.

4. Mortgage term affects your rate in some cases. While 25 years remains the standard term, terms of 30, 35, or even 40 years are increasingly common, particularly among first-time buyers stretching to afford their first property. Longer terms reduce monthly payments but increase the total interest paid over the life of the mortgage. Some lenders charge a small premium for terms beyond 25 years.

5. Property type can influence pricing. Standard freehold houses attract the best rates. Flats, particularly those in high-rise buildings or with cladding issues, new-build properties, and non-standard construction (such as timber-frame or concrete) may attract higher rates or be excluded from certain deals altogether.

6. Product fees and total cost are often overlooked. A mortgage with a lower headline rate but a £1,500 arrangement fee can cost more overall than a slightly higher rate with no fee, particularly on smaller mortgages or shorter fix periods. Always compare the total cost of the deal, not just the interest rate. If you can afford higher payments, overpaying your mortgage can save tens of thousands in interest. Browse all our mortgage guides for more.

The direction of UK mortgage rates depends primarily on the Bank of England's monetary policy path, which in turn depends on inflation, economic growth, and the labour market.

The current picture is cautiously optimistic for borrowers. The MPC voted 5-4 to hold the Base Rate at 3.75% in February 2026, but four members wanted to cut to 3.50%, and the Committee stated that 'Bank Rate is likely to be reduced further.' CPI inflation has fallen from 3.8% in September 2025 to 3.4% in December, and is expected to drop to around 2% from April 2026 as energy price reductions and Budget measures take effect. The labour market has loosened, with unemployment rising to just over 5%.

Market expectations point to at least one more Base Rate cut in 2026, most likely at the March or May meeting. The median respondent to the Bank's Market Participants Survey expects the Base Rate to eventually settle at 3.25%. UK gilt yields — a key driver of swap rates and therefore fixed mortgage pricing — have been trading around 4.45%, broadly stable since late 2025.

What this means for mortgage rates: Fixed rates are unlikely to fall dramatically from current levels because swap rates already price in future Base Rate cuts. The best two-year fixes around 3.50-3.60% may represent close to the floor for this cycle unless inflation falls faster than expected or the economy weakens sharply. Five-year fixes in the low-to-mid 4% range are likely to persist through most of 2026. However, lender competition could continue to compress margins, particularly if mortgage volumes remain strong.

The risks: Upside risks to mortgage rates include sticky services inflation (still running above 4%), a reacceleration in wage growth, or global factors such as trade tariffs pushing up import prices. Downside risks include a sharper economic slowdown, rising unemployment beyond current expectations, or a more aggressive BoE cutting cycle if inflation undershoots the 2% target. The MPC's own central projection, conditioned on market rates, shows the output gap widening — a disinflationary force that could support further rate cuts.

For borrowers considering their next move, the current environment offers a window of opportunity. Rates have come down significantly from their 2023 peaks — use our mortgage calculator to see how today’s rates affect your payments —, lender competition is fierce, and further modest reductions are plausible. Waiting for a dramatically lower rate, however, is a gamble — and the certainty of locking in a competitive fix today has considerable value.

This article is for informational purposes only and does not constitute regulated financial advice. Mortgage products and rates change frequently — always check the latest deals directly with lenders. For personalised advice on your mortgage options, consult a qualified mortgage adviser (check they're FCA-authorised at fca.org.uk/register).