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  4. APR Explained
Borrowing
Borrowing guide

APR Explained

Understand representative APR, what it includes, how it differs from a personal rate, and why total repayable still matters when you compare UK credit.

8 min read · Published 16 September 2026 · Last updated 16 September 2026

Written by Teresa Mary, Chief Finance Editor

On this page

  1. 01What APR is for
  2. 02Representative APR
  3. 03APR and 0% offers
  4. 04Why total repayable still matters
  5. 05Before you apply
  6. 06Frequently asked questions
On this page
  1. 01What APR is for
  2. 02Representative APR
  3. 03APR and 0% offers
  4. 04Why total repayable still matters
  5. 05Before you apply
  6. 06Frequently asked questions

What APR is for

Annual Percentage Rate packages interest and certain compulsory fees into a yearly figure so you can compare credit products. It is a comparison tool required in UK credit advertising — not a personal quote.

A lower APR is not automatically cheaper in pounds if the term is longer or if fees sit outside the APR. Look at the representative example’s total amount repayable for the stated amount and term.

Representative APR

The representative APR on an advert should be available to at least 51% of people accepted for that promotion. Lenders can still offer a higher rate, a smaller amount, or decline the application after a full assessment.

Eligibility checkers may estimate your chance of acceptance. They do not lock in the advertised APR.

APR and 0% offers

A 0% purchase or balance-transfer period can sit alongside a high purchase APR after the window ends. Missing a payment can end some promotional rates early.

Compare the length of the 0% period, any transfer or annual fee, and the rate that applies afterwards — not a single APR number in isolation.

Why total repayable still matters

Two loans can advertise similar APRs and cost different amounts if one lasts three years and the other five. Stretching the term usually reduces the monthly figure and increases total interest.

Use the loan calculator with the same amount and term as the lender’s representative example. The output is an illustration, not an offer.

Before you apply

Check whether a soft eligibility search is available, whether early repayment charges apply, and whether the product is secured. APR does not tell you if the repayments fit your budget.

This guide is information, not personalised advice. If you need advice, speak to an authorised adviser.

Frequently asked questions

Read our editorial standards →

Written by

TM

Teresa Mary

Chief Finance Editor

Teresa leads WiT Money’s financial editorial content, helping ensure guides, comparisons and tools are clear, accurate and useful for UK consumers and businesses.

Last updated 16 September 2026

View Teresa Mary's profile →

Questions or updates

If you spot something that needs correcting or want to contact our editorial team, get in touch.

contact@witfinancegroup.com →

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Personal Loans Explained

How unsecured personal loans work in the UK, what representative APR really means, and how to compare total repayable.

8 min read: Personal Loans Explained

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9 min read: How Credit Checks Work

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Understand the differences between secured and unsecured borrowing, including security, rates, borrowing limits, repayments and the risks if you miss payments.

9 min read: Secured vs Unsecured Loans

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