British IBAN Format & IBAN Structure Example

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The United Kingdom IBAN format consists of a two-letter country code, two check digits and a Basic Bank Account Number (BBAN). The BBAN includes information about the domestic bank and account number. Below you'll find examples for British IBAN numbers, format, structure, bank account breakdown, and the United Kingdom IBAN technical specification.

IBAN example in United Kingdom

Standard IBANGB29NWBK60161331926819
IBAN print formatGB29 NWBK 6016 1331 9268 19
Country codeGB
Checksum digits29
Bank codeNWBK
Sort code601613
Account number31926819
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IBAN structure in United Kingdom

A British IBAN consists of 22 alpha-numeric characters:

  • 2 letter country code
  • 2 digit checksum number
  • 4 characters from the bank's SWIFT / BIC or bank identification number
  • 6 digit code for the bank branch sort code
  • 8 digit code for the bank account number

British IBAN codes contain all the country, bank, and account details required to send or receive money internationally.

British banks assign IBAN codes to each individual account to make sure that international transfers are processed correctly.

IBAN codes are used throughout Europe, and also accepted in some areas of the Middle East, North Africa and the Caribbean.

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British IBAN Technical Specification

Data ElementDescription - Pattern - Example
Name of countryUnited Kingdom
IBAN prefix country code (ISO 3166)GB
Country code includes other countries/territoriesIM, JE, GG
SEPA countryYes
SEPA country also includesN/A
Domestic account number example60-16-13 31926819
BBAN
BBAN structure4!a6!n8!n
BBAN length18
Bank identifier position within the BBAN1-4
Bank identifier length6!n
Branch identifier position within the BBAN5-10
Branch identifier length6!n
Bank identifier example601613
BBAN exampleNWBK60161331926819
IBAN
IBAN structureGB2!n4!a6!n8!n
IBAN length22
Effective dateApr-07
IBAN electronic format exampleGB29NWBK60161331926819
IBAN print format exampleGB29 NWBK 6016 1331 9268 19
Contact Details
OrganisationPayments UK Management Ltd
DepartmentInternational Standards and Services
Street Address14 Finsbury Square
City / PostcodeLondon EC2A 1LQ
Central Bank Websitehttps://www.bankofengland.co.uk/
Updates
Last update dateMay-17

IBAN specification conventions

Character representations:
  • n - Digits (numeric characters 0 to 9 only)
  • a - Upper case letters (alphabetic characters A-Z only)
  • c - Upper and lower case alphanumeric characters (A-Z, a-z and 0-9)
  • e - Blank space
Length indications:
  • nn! - Fixed length
  • nn - Maximum length
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ISO 13616-compliant national British IBAN breakdown

IBAN (print format)GB29 NWBK 6016 1331 9268 19
IBAN (electronic format)GB29NWBK60161331926819
ISO Country CodeGB (United Kingdom)
Country code includes other countries/territories: IM, JE, GG
IBAN CheckSum Digits29
IBAN Length22
BBANNWBK60161331926819
BBAN Length18
Bank IdentifierNWBK
Branch Identifier601613
Account Number31926819
SEPA MemberYes
CurrencyGBP (British pound)
Organization NamePayments UK Management Ltd

Terms and definitions

IBAN: stands for International Bank Account Number: The expanded version of the basic bank account number (BBAN), intended for use internationally. The IBAN uniquely identifies an individual account, at a specific financial institution, in a particular country and generally has a lenght of up to 34 alphanumeric characters. It is the ISO 13616 international standard for numbering bank accounts.

IBAN Structure: The IBAN structure is defined in ISO 13616-1 and consists of a two-letter ISO 3166-1 country code, followed by two check digits and up to thirty alphanumeric characters for a BBAN (Basic Bank Account Number) which has a fixed length per country and, included within it, a bank identifier with a fixed position and a fixed length per country. The check digits are calculated based on the scheme defined in ISO/IEC 7064 (MOD97-10).

Bank identifier: The identifier that uniquely identifies the financial institution and, when appropriate, the branch of that financial institution servicing an account. The branch identifier format is shown specifically, where present.

BBAN: basic bank account number: The identifier that uniquely identifies an individual account, at a specific financial institution, in a particular country. The BBAN includes a bank identifier of the financial institution servicing that account.

Checksum: The check digits enable validation of the bank account number at source to confirm its integrity before submitting a transaction.

Print format: The IBAN print format adds one space after every four characters whereas the electronic format contains no spaces.