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IBAN Information for: United Kingdom

Find out all you need to know about the IBAN format in GB, including length, structure, and validation rules.

IBAN Information - United Kingdom

Overview

The International Bank Account Number (IBAN) for United Kingdom (GB) follows specific formatting rules. Here you'll find all the important details about the GB IBAN format.

Key Details

  • IBAN Length 22 characters
  • Country Prefix GB
  • SEPA Member Yes
  • Currency GBP
  • Membership Other Member
  • Central Bank Bank of England
  • Central Bank Website www.bankofengland.co.uk

Format Information

GB2!n4!a6!n8!n
^GB(\d{2})([A-Z]{4})(\d{6})(\d{8})$
GB29NWBK60161331926819

Domestic Format Information

4!a6!n8!n
18 characters
60-16-13 31926819
NWBK60161331926819

IBAN Block Structure

GB 29 NWBK 601613 31926819

IBAN Structure Legend
  • GB Country Code
  • 29 Check Digits
  • NWBK Bank Identifier
  • 601613 Sort Code
  • 31926819 Account Number
Structure for British IBAN

British IBANs consist of the country code (GB), check digits (2 digits), bank identifier (4 characters), sort code (6 digits), and account number (8 digits).

The British IBAN consists of 22 characters. The bank identifier (4 characters) is an abbreviation of the bank name (e.g., NWBK for NatWest Bank). The sort code (6 digits) identifies the branch and is commonly used in UK payment processing. The account number (8 digits) identifies the individual account.

Bank Information

The IBAN contains encoded information about the bank and branch. Below are the positions of these components in the BBAN part.
Positions 0 to 3
Positions 4 to 9
Yes
2011-06-20

What is an IBAN?

An International Bank Account Number (IBAN) is a standardized international numbering system developed to identify bank accounts from around the world. It was originally adopted by the European Committee for Banking Standards and later as an international standard.

Important to know: Each country has its own IBAN format and length, but all follow the same basic structure with a country code, check digits, and account number components.
IBAN Uses
  • International wire transfers
  • SEPA payments within Europe
  • Automated payment processing
Benefits of IBANs
  • Reduced errors in international payments
  • Faster processing of cross-border transactions
  • Standardized format for global banking

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IBAN FAQs

What is an IBAN? IBAN - Countrylist How to remember your IBAN? How is the IBAN structured? How is the IBAN check digit calculated? BIC - Bank Identifier Code

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Did You Know?

IBAN Verification

The check digits in an IBAN allow for verification of the entire number, reducing the risk of errors during transcription. This makes international payments more reliable.

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