UK Contactless Limit of £100 on Card Machines

The UK contactless limit is £100 per transaction, set by the card schemes since October 2021. Above £100, the customer needs to enter a PIN or use biometric authentication (Face ID, Touch ID, device PIN) on a phone wallet. Apple Pay and Google Pay support "device-authenticated" transactions above £100 on most modern terminals, up to the underlying card's daily limit (often £500 to £2,500). The £100 limit cannot be exceeded with a physical contactless card alone.

What this means for your business

The £100 UK contactless limit is set by the card schemes (Visa, Mastercard, Amex) on Strong Customer Authentication (SCA) rules. Above £100, SCA requires a second authentication factor (something the customer knows or is). For a physical card, this is the PIN entered on the terminal keypad. For a phone wallet, the biometric or device PIN on the phone counts as the second factor, so the terminal accepts the transaction without needing keypad PIN entry. Most modern UK terminals support this distinction.

Older terminals or some entry-level facilitator devices cap all contactless at £100 regardless of whether the customer is using a phone wallet. This is a device-level setting, not a card scheme limit. Modern terminals (SumUp Solo, Zettle Terminal, Square Terminal, Dojo Go, Worldpay Move) support device-authenticated contactless above £100. Check the device setting if a phone wallet customer is being declined above £100.

For higher-value transactions, chip-and-PIN remains the safest route. Insert the card, customer enters PIN, transaction processes. This works for any transaction up to the card's daily limit and gives the strongest chargeback defence because the cardholder authenticated with the PIN they own. Some merchants insist on chip-and-PIN for transactions above £500 or £1,000 to maximise dispute defence, even where tap and phone wallet would be technically allowed.

Key points

UK contactless limit is £100 per transaction since October 2021
Set by card schemes (Visa, Mastercard, Amex) on Strong Customer Authentication rules
Phone wallets (Apple Pay, Google Pay) can exceed £100 with biometric authentication
Above-£100 device-authenticated transactions need terminal support, modern terminals handle this
Older or entry-level terminals may cap all contactless at £100 regardless of wallet
Chip-and-PIN remains the safest route for higher-value transactions
Chargeback defence is strongest on chip-and-PIN, then phone wallet, then physical contactless

Common pitfalls

Setting the terminal contactless limit below £100 in settings without realising, this caps phone wallets too
Trying to split a high-value transaction into multiple sub-£100 tap-and-pays to avoid PIN entry, this is disallowed by scheme rules
Forgetting that older terminals cap phone wallets at £100 even with biometric authentication
Insisting on chip-and-PIN for sub-£100 transactions, this slows the queue without adding defence

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