A Guide to Repayment and Interest-Only Mortgages 

When choosing a mortgage, one of the key decisions you’ll need to make is whether a Repayment Mortgage or Interest-Only Mortgage is most appropriate for your circumstances. Each option works differently and may be suitable for different financial situations, depending on factors such as your income, financial objectives and plans for repaying the loan. 

This guide explains how repayment and interest-only mortgages work, the key differences between them and some factors to consider before making a decision. 

What Is a Repayment Mortgage? 

A Repayment Mortgage is the most common type of mortgage in the UK. With this type of mortgage, your monthly repayments consist of both the interest charged on the loan and a portion of the capital you have borrowed. 

Provided you make all required repayments in full and on time, the mortgage balance gradually reduces over the agreed term. At the end of the mortgage term, the loan should be fully repaid. 

Because each payment contributes towards reducing the outstanding balance, repayment mortgages generally have higher monthly repayments than Interest-Only Mortgages for the same loan amount and term. 

What Is an Interest-Only Mortgage? 

With an Interest-Only Mortgage, your monthly payments cover only the interest charged on the amount borrowed. This means the outstanding loan balance does not reduce during the mortgage term unless you make additional capital repayments. 

At the end of the mortgage term, you will still owe the full amount originally borrowed. For this reason, lenders generally require borrowers to have a credible repayment strategy in place to repay the capital when the mortgage ends. 

Interest-only mortgages are not available to all borrowers and may have stricter eligibility requirements than repayment mortgages. Your repayment strategy should be regularly reviewed to help ensure it remains appropriate and on track to repay the outstanding balance at the end of the mortgage term. 

Repayment vs. Interest-Only Mortgages 

The primary difference between these mortgage types is how the loan is repaid. 

With a repayment mortgage, each monthly payment reduces both the interest owed and the outstanding capital, meaning the mortgage balance gradually decreases throughout the term. 

With an interest-only mortgage, monthly payments cover only the interest, leaving the original loan balance unchanged. The full capital amount must be repaid separately at the end of the mortgage term using an acceptable repayment strategy. 

As a result, repayment mortgages typically involve higher monthly repayments but provide a structured approach to repaying the loan over time. Interest-only mortgages generally offer lower monthly payments during the term, but borrowers remain responsible for repaying the capital in full at the end of the agreement. 

The availability, affordability and suitability of each mortgage type will depend on your individual circumstances and the lender’s lending criteria. 

Factors to Consider 

When comparing repayment and interest-only mortgages, there are several factors to take into account: 

• Monthly affordability: Consider whether your budget can comfortably accommodate the required monthly repayments. 
• Repayment strategy: If considering an interest-only mortgage, think about how you intend to repay the capital at the end of the mortgage term. 
• Lender requirements: Eligibility criteria vary between lenders and may differ depending on the mortgage type. 
• Financial objectives: Your long-term financial goals may influence the type of mortgage that best aligns with your circumstances. 
• Risk: An interest-only mortgage relies on a separate repayment strategy, which may not perform as expected. If your repayment strategy does not generate sufficient funds, you will still be responsible for repaying the outstanding mortgage balance. 

If you are unsure which mortgage option may be appropriate for your circumstances, seeking professional mortgage advice can help you understand the available options and how different mortgage products work. 

Speaking to a Mortgage Adviser 

Repayment and interest-only mortgages each have distinct features and considerations. 

Working with an experienced Mortgage Adviser can help you understand how each option works, together with the costs, risks and lender requirements, enabling you to make an informed decision. Before proceeding with any mortgage, it is important to consider your financial circumstances and obtain regulated mortgage advice, where appropriate. 

This guide is provided for general information only and should not be considered personal mortgage advice. Your home may be repossessed if you do not keep up repayments on your mortgage.