UK Interest Rate Predictions: Should You Fix Your Mortgage Now or Wait?
01 January 2026
The UK interest rate outlook is more complicated than a simple “fix now” or “wait” answer. On 19 March 2026, the Bank of England kept Bank Rate at 3.75%, but that does not mean fixed mortgage pricing will stand still. Fixed rates are shaped by market expectations, swap rates, lender funding costs and competition, so borrowers can see mortgage deals move even when Bank Rate itself does not. In the current market, the real question is not whether rates will definitely fall or rise next, but how much timing risk you are comfortable taking if your purchase, remortgage or deal expiry is close.
Your home may be repossessed if you do not keep up repayments on a mortgage or any other debt secured on it.
Why The Latest Bank Rate Decision Does Not Settle The Question
The Bank of England’s Monetary Policy Committee voted unanimously to hold Bank Rate at 3.75% at its meeting ending on 18 March 2026, with the decision published on 19 March 2026. The Bank also said conflict in the Middle East had pushed up global energy and commodity prices and that UK inflation would be higher in the near term as a result. That matters because borrowers sometimes assume a rate hold automatically means calm mortgage pricing. It does not. A hold can come with a more cautious inflation message, and that alone can affect how markets price future borrowing costs.
The Bank’s own explainer now shows current Bank Rate at 3.75%, current inflation at 3%, and the next decision due on 30 April 2026. It also says the Bank has cut rates six times since August 2024, but is now watching the inflation effects of higher energy costs closely. In other words, the direction of travel since 2024 has been down, but the pace from here is less certain than many borrowers hoped at the start of 2026.
That is why “should I fix now or wait?” is really a question about exposure to uncertainty. If your current deal ends soon, waiting for a lower fixed rate can backfire if lenders reprice upward before you complete. If you have more time and can tolerate some movement, you may decide to keep watching the data. Mortgage One, a qualified mortgage adviser and appointed representative of Quilter Financial Services Ltd, would usually frame this as a timing and risk decision rather than a market call.
What Is Moving Fixed Mortgage Pricing Right Now
Fixed mortgage deals are influenced less by today’s Bank Rate than by what lenders and markets think may happen over the next two, three or five years. One of the clearest signals comes from SONIA swap rates. These are wholesale market rates linked to expectations for future sterling interest rates, and they are commonly used as a reference point for pricing fixed-rate lending. They are not the mortgage rate you pay, but they do feed into what lenders can sustainably offer.
Chatham Financial said five-year SONIA swap rates moved from 3.52% on 27 February 2026 to 3.97% on 6 March 2026, after having been 3.65% on 31 December 2025. That was a sharp reversal in a short period and helps explain why lenders became more defensive on fixed pricing even before the latest Bank Rate decision.
Moneyfacts reported on 11 March 2026 that the average two-year fixed residential mortgage rate rose to 5.01% from 4.84% on 6 March, while the average five-year fixed rose to 5.09% from 4.96%. It also said 472 residential mortgage products were withdrawn over 48 hours, leaving 7,164 products available. That is a reminder that when wholesale costs move quickly, lenders can reprice fast and pull deals with little notice.
For borrowers, this is the key practical point: fixed rates can move before a Bank of England cut, after a hold, or even in the opposite direction to what many headlines suggest. So waiting for the next policy meeting does not always improve your options. Sometimes the market has already moved first.
Inflation And Wage Data Still Matter To Mortgage Decisions
The latest inflation data available before today’s decision showed Consumer Prices Index inflation at 3.0% in the 12 months to January 2026, down from 3.4% in December 2025. Consumer Prices Index including owner occupiers’ housing costs was 3.2%. That was encouraging, but inflation was still above the Bank of England’s 2% target, and February 2026 inflation data is not due until 25 March 2026. So borrowers are still making decisions with an important data point yet to arrive.
The latest labour market release, published on 19 March 2026, showed regular earnings growth at 3.8% and total earnings growth at 3.9% in the three months to January 2026. The employment bulletin also said the UK unemployment rate rose to 5.2% in November 2025 to January 2026. Slower pay growth can support the case for lower rates over time, but a weaker labour market does not automatically translate into cheaper fixed mortgages in the short term if inflation risks rise at the same time.
This is why there can be a gap between market expectations and confirmed decisions. Borrowers may look at softer inflation or weaker jobs data and assume fixed rates must fall next. Lenders, however, also have to think about energy-driven inflation risks, wholesale funding costs, operational capacity and how aggressively they want to compete. The result is often a market that moves in bursts rather than in a neat line.
Should You Fix Now Or Wait If Your Deal Is Ending Soon
If your fixed deal ends in the next three to six months, waiting can be riskier than many people realise. In many cases, you may be able to secure a new rate before your current deal finishes, which can reduce the risk of being pushed onto a lender’s standard variable rate if markets worsen. That does not mean you should automatically take the first rate you see, but it does mean leaving everything until the last moment can narrow your choices.
For remortgagers, the decision often comes down to whether certainty is more valuable than the possibility of a better rate later. A fixed rate gives payment stability for the chosen period, but you could miss out if pricing improves after completion. Waiting preserves flexibility, but it leaves you exposed if swap rates rise again or if lenders withdraw products. That trade-off is especially important for households with tight monthly affordability, because a small rate change can still have a meaningful effect on payments.
For buyers, the timeline is different but the principle is similar. A purchase can take months, and rates available when you agree a sale may not be there when you are ready to apply. If you are already near the upper edge of your affordability, a sudden repricing can affect not only the rate but the maximum loan you can comfortably manage.
Borrowers on tracker mortgages or variable rates face a slightly different decision. Tracker pricing is more directly linked to Bank Rate, subject to the product terms, so those borrowers are more exposed to future policy moves than people already holding a fixed rate. But even here, switching into a fix is not purely a call on where Bank Rate goes next. It is also a decision about payment certainty, fees, flexibility and how long you expect to keep the mortgage.
How To Think About Timing Without Trying To Predict The Market Perfectly
Trying to call the exact bottom of the mortgage market is rarely realistic. A more useful approach is to separate borrowers into broad situations. If you need certainty because your current deal is ending soon, your purchase is live, or your budget is tight, fixing sooner can reduce the risk of a worse outcome from market volatility. If you have time, a strong affordability buffer and are comfortable with some movement, watching the next inflation print and lender pricing could be reasonable.
A balanced way to think about it is this: the case for waiting rests on inflation easing further, wage pressures continuing to cool and wholesale markets calming down. The case for fixing now rests on the fact that the Bank of England has not signalled a straight line of cuts, energy-price risk has returned, and lenders have already shown how quickly they can reprice fixed deals.
The most sensible answer for many households is not “fix everything immediately” or “definitely wait”. It is to understand your deadlines, stress-test the payment at today’s rates, and know what level of change would materially affect your plans. In a market like this, process and preparedness can matter more than a headline prediction.
Key Numbers
Bank Rate: 3.75%
Latest published CPI inflation: 3.0% in the 12 months to January 2026
Latest published CPIH inflation: 3.2% in the 12 months to January 2026
Regular earnings growth: 3.8%
UK unemployment rate: 5.2%
Average two-year fixed residential mortgage rate: 5.01% on 11 March 2026
Average five-year fixed residential mortgage rate: 5.09% on 11 March 2026
Residential products withdrawn over 48 hours: 472
Available residential mortgage products after withdrawals: 7,164
Five-year SONIA swap rate: 3.52% on 27 February 2026; 3.97% on 6 March 2026
Figures as of 19 March 2026 London
The information provided in this article is for general guidance only and does not constitute personal or regulated financial advice. If you’d like to understand what these moves could mean for you, speak to Mortgage One. We can explain your options and timings based on your specific circumstances.
Some Buy to Let mortgages are not regulated by the Financial Conduct Authority.
FAQs
1. What drives fixed mortgage rates in the UK?
Fixed mortgage rates are mainly influenced by swap rates, lender funding costs, competition and expectations for future Bank Rate, rather than just the current Bank Rate itself.
2. Why can fixed mortgage rates rise even when Bank Rate is unchanged?
Because lenders price fixed deals using forward-looking market costs. If swap rates rise or inflation risks increase, fixed deals can become more expensive without any immediate Bank Rate move.
3. Should I fix now or wait for rates to fall?
That depends on your deadline, budget, risk tolerance and whether a small rise in pricing would materially affect your plans. Waiting can help if rates improve, but it can also leave you exposed if lenders reprice upward.
4. Are tracker mortgages better if rates might fall later?
Not necessarily. Tracker mortgages can benefit more directly from future Bank Rate cuts, but they also leave you more exposed if rates stay higher for longer or move up again.
5. Do falling inflation figures automatically mean cheaper mortgages?
No. Lower inflation can help the outlook, but fixed mortgage pricing also depends on market expectations, swap rates and lender behaviour. Mortgage pricing does not move in a straight line with one data release.
6. What should remortgagers do if their deal ends soon?
Many remortgagers focus first on securing an option before the current deal ends, then reviewing whether that still looks right as completion approaches. That can reduce the risk of being left with fewer choices if the market moves suddenly.