Your home may be repossessed if you do not keep up repayments on your mortgage. Early repayment charges may apply if you leave a fixed rate deal before the fixed period ends.
Quick answer
A fixed rate mortgage charges the same rate of interest - and therefore the same monthly payment amount - throughout the fixed period, regardless of changes to the Bank of England base rate or Your lender's SVR. The most common fixed periods in the UK are 2, 3, and 5 years. At the end of the fixed term, you move to the lender's SVR unless you remortgage to a new deal. Early repayment charges apply if you exit before the fixed period ends.
Mortgage advice note: This page provides general information only. For personalised advice, speak to an FCA-authorised mortgage adviser who can assess your individual circumstances.
The Key Advantage - Certainty
The primary benefit of a fixed rate is predictability. You know exactly what your mortgage will cost each month for the fixed period, making it easier to budget and plan other financial commitments. This is particularly valuable when rates in the market are rising.
What You Give Up
You do not benefit if market rates fall during your fixed period - your rate stays the same regardless. If rates drop significantly, borrowers on variable or tracker products will see their payments fall while those on a fix do not.
How Fixed Rate Pricing Works
Lenders set fixed rates based on swap rates (derivatives that banks use to manage interest rate risk over set periods), their own funding costs, and competitive market positioning. These differ from the Bank of England base rate. A base rate cut does not automatically make fixed rate mortgages cheaper - and a base rate rise does not always push fixed rates higher immediately.
Choosing a Fixed Period
Common options in the UK include:
- 2-year fix: Most flexible, reviewed most frequently. Suitable if you value flexibility or expect your circumstances to change.
- 3-year fix: A middle option, less common than 2 or 5.
- 5-year fix: Better certainty over a longer period. Potentially lower rate than 2-year in some market conditions. ERCs typically apply for 5 years.
- 10-year fix: Available from some lenders. Rare in the UK market but provides very long-term certainty at the cost of flexibility.
Frequently Asked Questions
When a fixed rate deal ends, you automatically move to your lender's Standard Variable Rate (SVR). SVRs are typically higher than current market rates. Most borrowers are advised to start reviewing remortgage options 3 to 6 months before the fixed period expires to avoid rolling onto the SVR unnecessarily. You can remortgage to a new fixed deal with the same lender (a product transfer) or switch to a different lender.
Shorter fixed periods (2 years) give you flexibility to switch sooner if rates fall, but you review your deal more frequently and risk higher rates when you come to remortgage. Longer fixes (5 years) provide certainty over a longer period but tie you in with potentially significant early repayment charges. There is no universal right answer - it depends on your view of where rates are heading, your personal circumstances, and how much certainty you value over flexibility.
Most fixed rate products allow overpayments of up to 10% of the outstanding balance per year without triggering early repayment charges. Paying more than this typically incurs an ERC equal to a percentage of the overpaid amount. Check your specific mortgage terms, as the allowance varies between products and lenders. Overpaying within the permitted limit is generally a financially efficient way to reduce your mortgage balance.
An ERC is a fee charged if you repay your mortgage (or more than the agreed overpayment allowance) during the fixed rate period. It is typically expressed as a percentage of the outstanding loan balance - for example, 3% in year one, 2% in year two, 1% in year three on a 3-year fix. ERCs can be a substantial sum on a large mortgage. Always calculate the ERC cost before considering an early exit from a fixed deal.
No. Fixed rate mortgage pricing is tiered by loan-to-value (LTV). The less you borrow relative to your property value, the lower the rate you will be offered. For example, a 60% LTV mortgage will typically attract a meaningfully lower rate than a 90% LTV mortgage. As you repay your mortgage and your property potentially appreciates, your LTV falls - and you may access better rates when remortgaging as a result.
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