APR Explained: what it really means for your borrowing

APR, or annual percentage rate, can help compare loan costs, but it’s not the whole picture. Julian McLeod explains what APR means, how it’s calculated, and what else to consider before borrowing.

2 May, 2019

Money skills & financial tips

As a loan underwriter at London Mutual Credit Union, I review hundreds of loan applications each month and see first-hand how confusion about APR affects people’s borrowing decisions. Many applicants focus solely on finding the lowest advertised rate, often missing crucial factors that determine whether a loan will actually work for their situation. This guide explains how we assess applications and what you should know about APR beyond the headline figures.

What APR actually means

APR stands for ‘Annual Percentage Rate’ – it’s the percentage of interest you’d pay on borrowed money over the course of one year. By law, every lender must display their APR, which makes it easier to compare different borrowing options at a glance.

The key word here is ‘annual’. Whether you’re looking at a 30-year mortgage or a one-month payday loan, the APR always shows what you’d pay if you borrowed that money for exactly 12 months. This standardisation means you can compare a credit card at 18.9% APR with a personal loan at 5.9% APR and immediately see which is more expensive.

Sounds simple, right? Unfortunately, it’s not quite that straightforward.

Why APR doesn’t always tell the full story

While APR is useful for comparison, it can be misleading if you don’t understand its limitations. Here are the key questions to ask beyond just looking at the headline rate:

Will you actually get the advertised APR?

This is probably the most common misconception we encounter in our underwriting process. That eye-catching low APR in the advert? By law, only half of approved applicants need actually receive it. Lenders are only required to offer their advertised rate to 51% of successful applicants.

When we assess applications, we evaluate numerous factors that affect your actual rate:

  • Your credit score and borrowing history
  • Your income stability and employment type
  • The amount you want to borrow relative to your income
  • The loan term you choose
  • Your existing financial commitments

At London Mutual Credit Union, we’re transparent about this reality. Our loans start from 5.40% APR, but we assess each application individually to determine your actual rate. The difference is our manual underwriting approach means we can often consider applications that would be automatically rejected by computer algorithms elsewhere.

Does the loan term actually suit your needs?

Short-term loans typically have higher APRs because lenders need to cover their costs over a shorter period. But that doesn’t necessarily make them more expensive overall.

Example from our underwriting process: A member needs £500 for an emergency car repair.

  • Option 1: Personal loan at 5.9% APR over 3 years = £15.37/month, total repayment £553
  • Option 2: Short-term loan at 28.6% APR over 3 months = £179/month, total repayment £537

Can you actually afford the monthly payments?

As underwriters, this is one of our primary concerns when assessing applications. APR tells you the annual cost, but affordability is about monthly cashflow. There’s no point about getting excited about a low APR loan if the loan repayments are likely to stretch your budget to breaking point.

In every application we review, our team assesses:

  • What you can genuinely afford each month after essential expenses
  • Whether your income is stable enough for the commitment period
  • How quickly you want to clear the debt
  • Whether you have any buffer for unexpected costs

Our underwriting approach focuses on sustainable lending – we’d rather approve someone for a shorter-term that they can comfortably manage than a longer-term loan that becomes a financial burden. However, this assessment depends entirely on individual circumstances and what works for each member.

Are there hidden costs beyond the APR?

Some lenders advertise attractive APRs but add extra fees that aren’t included in the calculation:

  • Arrangement or processing fees
  • Early repayment penalties
  • Late payment charges
  • Monthly administration fees
  • Insurance products you’re pressured to buy

Always read the full terms and conditions. If a deal seems too good to be true based on APR alone, check what extras might be added on top.

How London Mutual Credit Union approaches lending

Having worked in our underwriting team for a number of years, I’ve seen how our community-focused approach differs from mainstream lenders. Our manual underwriting process allows our team to consider factors that computer algorithms miss:

  • Honest rate advertising – When we discuss rates with potential members, our team explains exactly what factors will affect their actual APR. We don’t use misleading introductory rates or hide costs that appear later in the process.
  • Manual underwriting advantage – Every application receives individual assessment from our underwriting team. We can consider members who might be automatically rejected elsewhere because we evaluate the full context of their application, not just credit scores.
  • No hidden fees – In our underwriting process, all costs are built into the APR calculation. We don’t add arrangement fees, early repayment penalties, or pressure members to buy expensive insurance products.
  • Comprehensive affordability assessment – Our team works to understand the right balance between manageable monthly payments and total borrowing cost. We focus on sustainable lending that works for members’ actual circumstances.
  • Community understanding – Serving members across Southwark, Lambeth, Westminster, and Camden, our team understands local financial pressures like high housing costs and transport expenses. This context helps us make lending decisions that work for people’s real lives.

Using APR to make better borrowing decisions

APR is a useful starting point for comparing loans, but it’s not the only factor that matters:

  • Start with APR – Use it to eliminate obviously expensive options and create a shortlist of potential lenders.
  • Check your eligibility – Find out what rate you’re likely to be offered before making formal applications that affect your credit score.
  • Calculate total costs – Work out exactly what you’ll repay over the full loan term, including any fees.
  • Consider monthly payments – Make sure the payments fit comfortably in your budget with room for unexpected expenses.
  • Think about flexibility – Can you overpay without penalties? What happens if your circumstances change?

The bottom line on APR

After years of working in our underwriting team, I can tell you that APR is a useful starting point for comparing borrowing options, but it’s just that – a starting point. The best loan for any individual depends on their specific circumstances, their ability to manage monthly payments, and whether the lender takes time to understand their situation.

At London Mutual Credit Union, our focus is on finding lending solutions that genuinely work for our members’ lives. When our team assesses applications, we’re looking for sustainable lending that helps people achieve their goals without creating financial stress.

Good to know

The contents of this article are intended for informational purposes only, and do not constitute financial advice. Always consult a qualified professional for independent advice if you are unsure about whether a financial product or strategy is suitable for you.

London Mutual Credit Union

Serving over 33,000 members across the London Boroughs of Southwark, Lambeth, Westminster and Camden, London Mutual is one of the UK's largest credit unions. Founded in 1982, London Mutual serves members across local government, the armed forces, healthcare and education.

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