UK Interest Rates Explained
Understand the Bank of England base rate, how it impacts your mortgage and savings, and estimate the financial effect of rate changes.
Calculate Rate Change Impact
Use our interactive estimator to see exactly how a change in interest rates will affect your monthly mortgage payments or total savings interest.
Rate Impact Estimator
Visualise the cost or gain of an interest rate change.
How Interest Rates Work
The transmission mechanism explained
Bank of England Sets Base Rate
The Monetary Policy Committee (MPC) meets to set the official bank rate to control inflation and stabilise the economy.
Commercial Banks Adjust
High street banks adjust their own borrowing and lending rates based on the new base rate, though not always by the exact same amount.
Consumers Feel the Impact
Mortgage and loan repayments become more expensive, while returns on savings accounts and cash ISAs generally increase.
How Rates Affect Different Products
A general overview of how changes in the Bank of England base rate typically influence various financial products.
| Financial Product | Impact of Rate Rise | Speed of Impact | Notes |
|---|---|---|---|
| Tracker Mortgage | Payments increase | Immediate (Next month) | Directly tracks the base rate (e.g., Base Rate + 1%). |
| Fixed-Rate Mortgage | No immediate change | At end of fixed term | Payments stay the same until remortgaging at new prevailing rates. |
| Credit Cards / Loans | Interest charges increase | Variable (Usually 1-3 months) | Providers may not pass on the full base rate increase immediately. |
| Easy Access Savings | Interest earned increases | Variable (Often delayed) | Banks may lag behind base rate hikes to protect profit margins. |
| Fixed-Rate Bonds | New bonds offer higher rates | Immediate for new money | Existing fixed bonds remain locked at the original, lower rate. |
Interest Rates FAQ
Answers to the most frequently asked questions about the UK interest rate environment, mortgages, and savings.
The Bank of England base rate, also known as the official bank rate, is the interest rate that the Bank of England charges commercial banks for short-term loans. It is the foundational rate that influences all other interest rates in the UK economy, including mortgages, savings accounts, and personal loans.
If you have a variable-rate mortgage (like a tracker or standard variable rate), your monthly payments will increase when the base rate rises. If you are on a fixed-rate mortgage, your payments will remain the same until your fixed term ends, at which point you will remortgage at the new, higher prevailing rates.
While savings rates often rise when the base rate increases, banks are not legally required to pass on the full increase. They balance the cost of borrowing with their profit margins, meaning savings rates may lag behind base rate hikes or rise by a smaller percentage.
A fixed interest rate remains exactly the same for a set period (e.g., 2 or 5 years), providing certainty over your monthly payments. A variable interest rate can go up or down at any time, usually in direct response to changes in the Bank of England base rate.