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Bank transfers

What really happens when you send money to someone: no money moves, only records change.

4 min read Last updated 3 Nov 2026
Two ledger books with a message envelope between them, showing a payment as a message rather than money moving.

The short version

When you send money by bank transfer, no money travels anywhere. Your bank lowers the number in your account and the other bank raises the number in theirs. In the UK, three systems carry these messages: Faster Payments for most transfers, Bacs for scheduled ones, and CHAPS for large same-day payments.

I always pictured the money leaving my account and arriving in theirs.

Nothing leaves.

Two ledgers change, and a message tells them to.

Two records change

Your balance is a record at your bank, as how banks work explains. When you send £50 to a friend, your bank lowers your balance by £50 and sends a message through a payment system. Your friend's bank receives it and raises their balance by £50.

The two banks then settle up with each other, but not for each payment. For some payment systems, banks settle net amounts through accounts at the Bank of England in scheduled cycles. CHAPS payments settle individually in real time.

Three UK payment systems

Faster Payments

Usually seconds

Used for most online transfers, standing orders and mobile payments, and works day and night.

Bacs

About three working days

Used for salaries, direct debits and bulk payments that are planned ahead.

CHAPS

Same working day

Used for large payments such as buying a house, and it costs more.

£1 million

The most that the Faster Payments system allows in a single payment. Your own bank sets a lower limit for you, often much lower.

Money physically moves between banks when I pay.

Only messages and ledger entries move. Banks settle in bulk at the end, using their accounts at the Bank of England.

Why you give a sort code

A sort code and account number tell the system which bank and which account to change. The system does not check that the name matches. Banks now offer a check called Confirmation of Payee that compares the name you type with the one on the account.

A payment made on Faster Payments cannot normally be pulled back once it arrives, so check the details before you send.

How banks settle between themselves

Most banks do not have an account with every other bank. Smaller ones send their payments through larger banks. Each large bank holds a settlement account at the Bank of England. Over the day, the payment systems add up what each bank owes the others and, at set times, move the net amounts between those accounts. Only the difference is settled, which is why a million small payments need only a few large transfers.

What if a payment is delayed

A transfer can be held for extra checks, or arrive later because the receiving bank needs time to process it. The payment method also matters: Faster Payments is designed to run around the clock, while Bacs follows a three-working-day cycle and CHAPS operates on working days. A displayed balance can change before banks finish settling the payment between themselves. If a payment is urgent, check the sending bank's stated cut-off and keep the confirmation. The system message and the final interbank settlement are related steps, but they are not the same thing.

Note: this explains how it works in general. It is not advice for your situation. For a decision about your money, check an official source or ask a qualified professional. Figures are for the UK.

Sources: Pay.UK Faster Payments; Bank of England CHAPS and payment settlement.

Key takeaways

  • No money moves; records change.
  • Faster Payments is quick; Bacs takes days; CHAPS is for large sums.
  • Banks settle with each other in bulk at the Bank of England.
  • Check the details before you send.

Now you know.

A transfer moves numbers.

Banks settle later.

Check before you send.

Last reviewed 3 Nov 2026

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