Total Cost with BNPL
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BNPL Total Cost
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Effective BNPL APR
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Cost Comparison
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How It Works

0% plans cost nothing extra if you pay on time. Missing a payment typically triggers a late fee of £6-£12. For short plans (Pay in 3, Pay in 30), the effective APR on a late fee can be extremely high - a £6 fee on a £100 purchase for 30 days is equivalent to over 70% APR.

Interest-bearing plans work like credit agreements. The APR is applied to the outstanding balance each month. On a 24-month plan at 18.9% APR, a £300 purchase costs around £328 in total.

Credit card comparison assumes minimum payments at the stated APR over the same period as your BNPL plan. A 0% purchase credit card with Section 75 protection is usually a better option for purchases over £100.

From 2026, BNPL regulation under the FCA means providers must carry out affordability checks and BNPL usage will appear on credit files.

BNPL Plan Comparison · £300 Purchase

Assuming all payments made on time

Plan Duration APR (on time) Total Cost Miss Payment Risk
Pay in 30 Days30 days0%£300Late fee + possible collectionsLow
Pay in 33 months0%£300Late fee £6 · possible 18.9% APRModerate
6-Month 0%6 months0%£300Late fee £12Moderate
12-Month 0%12 months0%£300Late fee £12Moderate
24-Month 18.9%24 months18.9%~£328Interest compoundsHigh
24-Month 29.9%24 months29.9%~£351Interest compounds rapidlyVery high

Buy Now Pay Later FAQs

Is BNPL regulated in the UK?
As of 2026, the UK government has confirmed that interest-free BNPL products will be brought under FCA regulation. Providers will need to conduct affordability checks, report to credit reference agencies, and comply with consumer credit rules. Interest-bearing BNPL products are already regulated · check the FCA register before using any BNPL provider.
Does Buy Now Pay Later affect my credit score?
It depends on the provider. Many BNPL lenders do a soft credit check (which does not affect your score) · but if you miss payments or default, most providers now report to Experian, Equifax and TransUnion. Missed payments can damage your credit score and make it harder to get a mortgage, loan or credit card. From 2026 regulation changes, more BNPL activity will appear on credit files.
What happens if I miss a BNPL payment?
Missing a payment typically triggers a late fee of £6-£12. If you miss multiple payments the debt may be passed to a collections agency and reported to credit reference agencies, damaging your credit score. For interest-bearing plans, missed payments cause interest to compound. Some providers freeze the account and demand the full outstanding balance immediately.
Is BNPL ever worth using?
A 0% BNPL plan paid on time and in full costs nothing extra and can help manage cash flow. The risk arises if you miss payments, forget the deadline, or use BNPL to buy things you cannot afford. For purchases over £100, a 0% purchase credit card (often 12-24 months interest-free) may offer stronger consumer protection under Section 75 of the Consumer Credit Act.
What are the alternatives to BNPL?
Alternatives include: saving up and paying cash (cheapest overall), a 0% purchase credit card with Section 75 protection, a personal loan for larger amounts, an authorised overdraft, or a credit union loan. If you need to spread costs, compare the total amount repayable and ensure you can meet every payment before committing.

For informational purposes only · Not financial advice · Rates shown are illustrative and 2026 BNPL regulation is subject to final FCA implementation