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UK address format & examples

How to write a UK address

United Kingdom mailing address format example on an envelope

United Kingdom address examples

Address example with unitsFlat 10 16 Sutton Plaza Sutton SM1 4FW
Commercial address example39 Thistle Street Edinburgh EH2 1DY GBR

Smarty address validation tools

Smarty® has a suite of address validation tools that can format, standardize, and validate United Kingdom addresses, plus addresses in 250+ other countries and territories worldwide. Validate your British address with our tools.
Use the Single Address Verification Tool to verify and format 1 address at a time, the Bulk Address Validation Tool to verify and format a list addresses simultaneously, or use the International Street Address API to integrate address validation and formatting programmatically into your software systems and workflows.

Postal information

United Kingdom's national postal system, "Royal Mail ," was established in 1660. As of recent data, Royal Mail services approximately 6,910,321 addresses, reflecting its extensive reach throughout United Kingdom. The organization manages a substantial network, indicative of its role as a major postal service provider in the region.
Administrative area types and count
4 countries, 112 administrative areas, and 14 British Overseas Territories
Administration area names and abbreviations
Term to describe postal codes
postcode
Postal code in language
postcode
Postal code format
A9 9AA
Postal service provider and website

Country information

Country/territory name
United Kingdom
ISO3
GBR
ISO 3166-1 alpha-2 country code
GB
ISO 3166-1 alpha-3 country code
GBR
ISO 3166-1 numeric country code
826
Endonym
United Kingdom
Total land area
243,610 KM²
Capital
London
Other major cities
Birmingham, Manchester, Glasgow

Population information

Total population
68,350,000 (2023)
Urban / rural distribution
84% / 16%
Urban population
57,414,000
Rural population
10,936,000
Official language
English
All languages spoken
English, French, German, Spanish
Most commonly used postal language
English
CC-BY 4.0 from worldbank.org
Now that you've seen our British address examples and have become a wizard at United Kingdom address formats, why not expand your expertise even further? Explore our detailed guides for related countries and territories to see how their address formats and examples vary.
Visit the global address formats page or Europe address formats page for more information on all the other countries and territories we cover. You can also read or read our article about international address verification to learn more.
*Data updated as of April 07, 2025

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