A–Z Glossary of UK Finance
Plain-English definitions for the mortgage, loan and credit terms you'll come across most often, from APR to tracker mortgages.
A
- AER (Annual Equivalent Rate)
- The standardised annual rate of return on a savings account, allowing fair comparison between accounts that pay interest at different frequencies. See our APR vs AER guide.
- Affordability assessment
- A lender's evaluation of whether you can comfortably manage a loan or mortgage repayment, based on income, outgoings and existing debt.
- APR (Annual Percentage Rate)
- The total annual cost of borrowing, including interest and most mandatory fees, expressed as a single percentage for fair comparison between credit products.
- Arrangement fee
- A fee charged by a lender for setting up a mortgage or loan, sometimes added to the loan amount rather than paid upfront.
B
- Balloon payment
- A large final payment due at the end of a PCP car finance agreement if you wish to keep the vehicle, also called the Guaranteed Minimum Future Value.
- Base rate
- The Bank of England's official interest rate, which directly affects tracker mortgages and indirectly influences fixed rates and savings.
- Buy-to-let mortgage
- A mortgage specifically for purchasing a property to rent out, assessed primarily on rental income coverage rather than personal salary.
C
- CCJ (County Court Judgment)
- A court order made against someone who hasn't repaid a debt, recorded on their credit file for up to 6 years.
- Credit reference agency (CRA)
- A company (Experian, Equifax or TransUnion in the UK) that collects and holds credit information used by lenders to assess applicants.
- Credit utilisation
- The percentage of your available credit limit currently being used — lower utilisation is generally viewed more favourably by lenders.
D
- Debt-to-Income (DTI) ratio
- Your total monthly debt repayments expressed as a percentage of your net monthly income, used by lenders to assess affordability.
- Default
- A formal record that payments on a debt have been persistently missed, remaining on your credit file for up to 6 years.
- Deposit
- The upfront sum you contribute towards a property or asset purchase, with the remainder covered by borrowing.
E
- Early Repayment Charge (ERC)
- A fee charged by some lenders if you repay a mortgage or loan, in full or in part, before an agreed period ends.
- Electoral roll
- The official register of UK voters, used by lenders to help verify your identity and address history.
- Equity
- The portion of your property's value that you own outright, calculated as property value minus any outstanding mortgage balance.
F
- Fixed-rate mortgage
- A mortgage where the interest rate is locked for an agreed period, keeping monthly repayments the same regardless of market rate changes.
- The UK regulator responsible for authorising and supervising financial services firms, including lenders and mortgage brokers.
- Further advance
- Additional borrowing from your existing mortgage lender, secured against the same property, without switching to a new lender.
G
- Guarantor loan
- An unsecured loan where a second person agrees to make repayments if the main borrower is unable to, typically used by those with limited credit history.
- Gifted deposit
- Money given by a family member towards a property deposit, usually requiring a signed letter confirming it doesn't need to be repaid.
H
- Hard search
- A credit check, visible to other lenders, carried out when you formally apply for credit — can have a small, temporary effect on your score.
- Hire Purchase (HP)
- A car finance agreement where you pay fixed instalments covering the vehicle's full value, becoming the owner once the final payment is made.
I
- Interest-only mortgage
- A mortgage where monthly payments cover only the interest, with the capital balance repaid separately at the end of the term.
- IVA (Individual Voluntary Arrangement)
- A formal agreement between a person and their creditors to repay debts over a set period, recorded on the credit file for up to 6 years.
L
- LTV (Loan-to-Value)
- The mortgage amount expressed as a percentage of the property's value — a lower LTV generally unlocks better interest rates.
M
- Mortgage in principle
- A lender's initial, non-binding indication of how much they might lend you, based on a quick assessment of income and credit history.
O
- Offset mortgage
- A mortgage linked to a savings account, where your savings balance reduces the amount of mortgage debt interest is charged on.
P
- PCP (Personal Contract Purchase)
- A car finance agreement with lower monthly payments based on depreciation, and a large balloon payment due if you want to keep the car at the end.
- Product transfer
- Moving to a new mortgage deal with your existing lender, without a full new application or switching to a different provider.
R
- Representative APR
- The APR that at least 51% of successful applicants receive — your own personal rate may be higher or lower.
- Remortgage
- Switching your mortgage to a new lender, or to a new deal, typically involving a full application and (usually) legal work.
S
- SDLT (Stamp Duty Land Tax)
- A tax paid on property purchases in England and Northern Ireland, calculated in bands based on the purchase price and buyer type.
- Secured loan
- A loan backed by an asset (commonly your home) as security, which the lender can claim if you fail to repay.
- A scheme allowing you to buy a percentage share of a property and pay rent on the remainder, with the option to buy further shares over time.
- Soft search
- A credit check that doesn't affect your credit score and isn't visible to other lenders, used for eligibility checks and your own report checks.
- Stress test
- A lender's check on whether you could still afford mortgage repayments if interest rates rose significantly above your actual rate.
- SVR (Standard Variable Rate)
- A lender's default interest rate, applied automatically once an initial fixed, tracker or discount deal ends, usually among their most expensive rates.
T
- Tracker mortgage
- A mortgage where the interest rate moves directly in line with a reference rate, almost always the Bank of England base rate, plus a fixed margin.
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