UK Financial Glossary

Financial Independence, Retire Early — a movement focused on saving and investing aggressively to achieve financial independence decades before traditional retirement age.

A mortgage where the interest rate is locked in for a set period (typically 2 or 5 years). Monthly payments stay the same regardless of Bank of England rate changes.

Paying more than your required monthly mortgage payment, which reduces the outstanding balance faster, saving interest and shortening the term.

Tax paid on profit when you sell an asset that has increased in value. The UK has an annual CGT allowance (£3,000 in 2026/27) before tax is due.

Interest calculated on both the original amount and previously accumulated interest. Often called "interest on interest" — it makes savings and investments grow faster over time.

A savings account that lets UK residents save up to £20,000 per year tax-free. Interest earned is not subject to income tax.

A numerical rating of your creditworthiness based on your borrowing history. UK lenders use scores from Experian, Equifax, and TransUnion to decide whether to lend and at what rate.

The rate at which prices for goods and services rise over time. Measured in the UK by the Consumer Price Index (CPI). High inflation reduces the purchasing power of savings.

A tax on earnings from employment, self-employment, and certain other income. The UK has a personal allowance (£12,570 in 2026/27) and progressive tax bands.

Individual Savings Account — a UK tax-efficient account where savings and investments grow free of income tax and capital gains tax. The annual allowance is £20,000.

A type of investment fund that tracks a market index, such as the FTSE 100 or S&P 500. Offers broad diversification at low cost.

Annual Percentage Rate — the total yearly cost of borrowing, including interest and mandatory fees, expressed as a percentage. Used to compare the true cost of loans and credit cards.

Annual Equivalent Rate — the interest rate on a savings account expressed as if interest were paid and compounded once per year. Allows fair comparison between accounts that pay interest at different frequencies.

Anything of value that you own, such as property, savings, investments, or a business.

The process of gradually paying off a debt through regular payments that cover both interest and principal. Early payments are mostly interest; later payments mostly reduce the capital.

Your total income before any tax or deductions are taken. This is what you'll see as your annual salary figure.

A tax-efficient account for investing in stocks, funds, and bonds. Growth and income are free from UK capital gains tax and income tax. Annual allowance: £20,000.

Standard Variable Rate — a lender's default mortgage rate, which your mortgage reverts to after a fixed or tracker deal ends. Usually higher than available fixed rates.

A tax paid when buying property in England and Northern Ireland. Also called SDLT (Stamp Duty Land Tax). Rates and thresholds vary for first-time buyers and additional properties.

A regular government payment to eligible retirees, currently £221.20/week (full new State Pension, 2026). Requires 35 qualifying years of National Insurance contributions.

Pay As You Earn — the system by which UK employers deduct income tax and National Insurance from wages before paying employees.

The amount of income you can earn each tax year before paying income tax. The standard allowance is £12,570 for 2026/27. It reduces for incomes over £100,000.

A long-term savings plan to fund retirement. Contributions receive tax relief (basic rate: 20%), meaning £80 invested costs only £80 but goes in as £100.

Switching your mortgage to a new deal — either with your existing lender or a new one. Often done when a fixed rate ends to avoid reverting to the SVR.

The Bank of England's key interest rate, which influences the rates banks charge for loans and pay on savings. Set by the Monetary Policy Committee (MPC) roughly every six weeks.

A period when investment markets fall by 20% or more from recent highs, typically accompanied by widespread pessimism.

A period of rising investment prices, typically when markets rise 20% or more from recent lows.

The process of creating a plan for how you will spend and save your money over a given period.

Combining multiple debts into a single loan, ideally at a lower interest rate, to simplify repayments and reduce overall interest cost.

A pension that pays a guaranteed income in retirement based on your salary and years of service. Also called a "final salary" or "career average" pension.

The upfront cash payment made when buying a home. Expressed as a percentage of the property price. A larger deposit means a lower LTV and typically better mortgage rates.

A pension where you and/or your employer pay in a set amount, which is invested. Your retirement income depends on how much was paid in and how investments performed.

A share of a company's profits paid to shareholders, usually quarterly or annually. UK shareholders receive a £500 tax-free dividend allowance per year (2026/27).

The income ranges at which different rates of income tax apply in the UK. Basic rate is 20%, higher rate is 40%, and additional rate is 45%.

A mortgage whose interest rate directly follows the Bank of England base rate, usually at a set margin above it. Payments go up or down when the base rate changes.

Money set aside to cover unexpected expenses or loss of income, typically equal to 3–6 months of essential living costs. Should be kept in an easy-access savings account.

Effective Annual Rate — shows the true annual cost of an overdraft or credit product including compounding. Similar to AER but used for borrowing.

The portion of your property that you own outright — the property value minus the outstanding mortgage balance.

A government scheme (now closed to new applicants) that gave first-time buyers a 25% bonus on savings of up to £200/month. Existing accounts remain open until 2030.

Loan-to-Value ratio — the mortgage amount expressed as a percentage of the property value. Lower LTV means better mortgage rates.

A government-backed savings account giving a 25% bonus on up to £4,000 saved per year, for first-time buyers or retirement (age 60+). Also called a LISA.

The income return on an investment, expressed as a percentage of its current value. For property: annual rent divided by property value.

A tax on earnings that funds the NHS, state pension, and other benefits. Employees pay Class 1 NI; the self-employed pay Class 2 and 4.

Take-home pay after all deductions including income tax, National Insurance, pension contributions, and student loan repayments.