Inflation and Interest Rates Explained | Brian Swint Mortgages
Every time the Bank of England prepares to make an interest rate decision, the media gets excited. And it's completely justified. What the BOE does affects mortgage rates, the rates on other kinds of borrowing, and the economy in general.
But most people only have a vague idea of what's going on. That's completely understandable, as it's often just not that easy to understand.
For 20 years as a financial journalist, it was my job to make sense of all the noise. Even then, when my own mortgage was coming up for renewal, I would feel anxious and a little bit helpless when trying to figure out what to do. And when I did figure it out, knowing the theory behind the events never made the emotional reality of a larger monthly payment any easier to digest.
That experience is why I transitioned from reporting on the economy to helping people navigate it. Today, I want to give a condensed version of what the Bank of England does and what it means for you.
The Basic Relationship: The Economic Thermostat
To the key concept for understanding interest rates is inflation. Inflation is the rate at which the prices of everyday goods and services increase. If inflation is at five percent, a basket of groceries that cost one hundred pounds last year will cost one hundred and five pounds today.
A little bit of inflation is normal and even healthy for a growing economy, but when it rises too quickly, people feel much poorer. It slows the economy down because people don't want to buy things that seem unfairly expensive, and business have trouble planning.
This is where the Bank of England steps in with its primary tool: the base interest rate.
Think of the base rate as an economic thermostat. When the economy is running too hot, meaning prices are rising too quickly and inflation is high, the Bank of England turns on the air conditioning to cool things down by raising interest rates. By making borrowing more expensive and encouraging saving, they intentionally slow down spending. When people spend less, businesses cannot raise prices as easily, and inflation eventually begins to slow.
Conversely, if the economy is sluggish and inflation is very low, the Bank can add heat by lowering interest rates to encourage borrowing and spending, warming the economy back up.
Inside the Room: What the MPC Actually Looks At
The decisions about whether to raise, lower, or hold interest rates are made by the Monetary Policy Committee, or the MPC. This is a group of nine independent economic experts who meet roughly every six weeks.
During my years as a journalist, I watched this committee incredibly closely. They do not make their decisions based on gut feelings or political pressure. They work from a massive mountain of data. These are the main data points they're looking at:
- The Consumer Price Index (CPI): This is the official measure of inflation in the UK. The government sets a target for CPI inflation of two percent. If inflation is significantly above this target, the MPC will feel pressure to keep interest rates higher for longer to bring it back down.
- Wage Growth: When businesses pay higher wages, they often pass those costs onto consumers by raising prices, which feeds back into inflation. The committee watches wage growth closely to see if an "inflationary spiral" is developing. Fast-rising wages are a warning sign for future inflation.
- Employment and GDP: A strong job market and growing Gross Domestic Product show that the economy is resilient. If the economy is growing strongly despite high interest rates, the Bank has more leeway to keep rates high to fight inflation. If the economy starts to shrink or unemployment rises significantly, they may feel pressure to cut rates to support businesses. By contrast, a weak economy is going to slow spending down, which in turn usually weakens inflation.
Why This Matters for Your Mortgage
Now that we have stripped away the jargon, let us look at the practical side. How does all of this economic theory impact your daily life and your mortgage?
If you are currently on a tracker mortgage or a standard variable rate, the link is direct. When the Bank of England changes the base rate, your monthly payment will change almost immediately. A rate cut is an instant saving, while a rate rise means you have to find extra cash each month.
Perversely, this often means that bad news on the economy--weak wage growth and a lowing economy, or rising unemployment--is actually good for your mortgage payments. Conversely, good economy news could well mean that your mortgage payments are about to go up.
If you are on a fixed-rate mortgage, the relationship is a bit more subtle. Your current payments will not change, regardless of what the MPC does today. However, fixed-rate mortgages are priced based on a financial instrument known as swap rates, which are essentially the financial markets' predictions of where interest rates will be in the future.
If the financial markets believe inflation is falling and the Bank of England will cut rates soon, swap rates tend to drop, and lenders will begin offering cheaper fixed-rate deals. If inflation proves stubborn, fixed rates may remain higher for longer.
How to Prepare Without Panicking
It is easy to feel powerless in the face of global economic forces, but there are always practical steps you can take to protect your household finances:
First, know your dates. If your current fixed rate is due to end in the next six months, you do not have to wait until the final week to act. You can secure a new mortgage deal up to six months in advance, locking in a rate as a safety net. If rates happen to fall before your current deal ends, you can often switch to the cheaper rate, but if rates rise, you are protected.
Second, run your own numbers. Do not wait for your lender's letter to arrive to find out what your new payments might look like. Use an online calculator to model different interest rate scenarios so you can adjust your household budget gradually.
Finally, seek independent advice. A professional mortgage adviser has access to the whole of the market, including specialist lenders who might offer more flexible criteria or better rates than your high street bank.
Navigating interest rates and mortgages does not have to be an isolating or confusing experience. With the right preparation, a calm approach, and clear information, you can make decisions that protect your home and keep your finances secure.
If you are feeling uncertain about your current mortgage or want to plan ahead for an upcoming renewal, let us have a calm, jargon-free chat.
You can book a free, thirty-minute consultation with me here: https://calendly.com/brian-swint/30min
To help you get started on your home-buying or remortgaging journey, you can also download my free guide, 5 Things You Don't Know About Mortgages, which offers straightforward advice to help you prepare. Download it here: https://a835b7ee.sibforms.com/serve/MUIFALdt-jSoFue2pH5pKGYjnrxf3-ZeyLB3c3MW0NbqGeK8CoArKGF0rUbhYCuloJ4_hoLyUUWmlW3fxufW-ldurZvGTYH1SDHzWKOnVhrfNQMEszkR4aHFM8tQpX9aEWNbh87kGRtWc3G4lBiiXG3UgHKcIxvMH1qkdDZv9btP5_TRgiSzx3WAHRam_Lto_Hows2cLm9NcfIMAdA==
Your home may be repossessed if you do not keep up repayments on your mortgage. The value of financial advice and the suitability of any mortgage depends on your individual circumstances. Always seek personalised advice.