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Rising Credit Card Debt and Its Impact on Mortgages

UK consumers are borrowing more on credit cards, prompting a closer look at second charge mortgages as a debt consolidation option.

By David Sampson
14 October 2026
4 min read
UK mortgage rates article image for Rising Credit Card Debt and Its Impact on Mortgages

TL;DR

  • •UK consumers borrowed £1.2 billion on credit cards in August, up from £0.9 billion in July.
  • •This trend may drive borrowers to consider second charge mortgages as a viable option for consolidating debt.

Written by David Sampson for Mortgage118. Last updated 14 October 2026. Reviewed against our . Mortgage118 is a directory — not FCA-authorised and not a mortgage adviser.

Recent figures from the Bank of England reveal a significant increase in UK consumer credit, particularly through credit cards, highlighting a potential shift in the borrowing market. As consumers face rising debt levels, mortgage brokers and borrowers alike must consider the implications for second charge mortgages and other borrowing options.

What Do the Latest Consumer Credit Figures Indicate?

In August, UK consumers saw net borrowing through credit cards rise to £1.2 billion, up from £0.9 billion in July. This increase is part of a broader trend, with net borrowing through other forms of consumer credit, such as personal loans and car dealership finance, also rising to £1.3 billion from £1.2 billion in the previous month. The annual growth rate for all consumer credit has increased slightly to 9.6%, up from 9.3% in July, with credit card borrowing growing even faster at an annual rate of 13.3%, compared to 12.6% in July.

How Does Rising Debt Affect Mortgage Options?

The rising cost of carrying credit card debt is a concern for many borrowers. The effective interest rate on interest-charging credit card balances stood at 21.55% in August. With outstanding credit card balances growing by 9.3% over the year to June, and nearly half (47.6%) of these balances accruing interest, borrowers may find themselves in a challenging financial position.

For those on competitive mortgage rates or facing early repayment charges, a second charge mortgage could offer a solution. This type of borrowing allows individuals to consolidate unsecured debts into one monthly payment, often at a lower interest rate than credit cards. This can be particularly beneficial for clients whose financial situations may have changed, making remortgaging difficult.

Who Can Benefit from Second Charge Mortgages?

Second charge mortgages are especially relevant for borrowers with sufficient equity in their properties. Lenders may view these cases more favourably, particularly if the borrower can demonstrate that the new commitment is affordable. This option provides an alternative to remortgaging or taking a further advance, which may not be possible due to changes in income, credit history, or lender criteria.

Mortgage brokers should be aware of these trends and the potential for second charge mortgages as a viable solution for clients struggling with unsecured debt. By understanding the nuances of their clients’ financial situations, brokers can guide them toward the most appropriate borrowing options.

What This Means for Borrowers and Brokers

For borrowers, the rising levels of credit card debt signal a need for careful financial management. Those considering a second charge mortgage should evaluate their current financial situation and consult with mortgage brokers to explore their options. Brokers, in turn, must stay informed about these trends to provide the best advice to their clients.

As the market evolves, it is important for both borrowers and brokers to monitor changes in consumer credit trends and interest rates. Understanding the implications of rising debt levels will be essential for making informed decisions regarding mortgages and other forms of borrowing.

Frequently Asked Questions

What is a second charge mortgage?

A second charge mortgage is a loan secured against a property that already has a mortgage. It allows borrowers to access additional funds while keeping their existing mortgage in place.

How can I consolidate my debt using a second charge mortgage?

By taking out a second charge mortgage, you can use the funds to pay off existing unsecured debts, consolidating them into one monthly payment, often at a lower interest rate.

About David Sampson

David Sampson writes about the UK mortgage market for Mortgage118, covering specialist lending, market trends, and practical advice for borrowers. All content is reviewed for accuracy against FCA guidelines and current market data.

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