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United Kingdom (Great Britain, England, Scotland, Wales, Channel Islands, Isle of Man, U.K., Northern Ireland) Mailing Address Formats and Other International Mailing Information

for mailing letters or packages to or from the United Kingdom,
such as postal rates to (or from) the United Kingdom, finding British addresses, British postcodes, etc.

When mailing an envelope or postcard, leave at least the bottom 16 millimeters (5/8 inch) blank on both front and back. (The postal service's reading and sorting machines might need this space to print bar codes on your mail.)

Address Format Information

Royal Mail Guide to Preparing Mail - Addressing

Some oddities of the Royal Mail include:

  • A preference for the return address to be on the back of the envelope.
  • A Locality line that only some addresses have (between the street address and town/city.)
  • The "full stops" you are requested not to use in an address are periods.

From the Royal Mail website (as of September 2009):

"What is a correct Postal Address?

Every house and business in the UK has a complete postal address that helps Royal Mail deliver mail quickly, accurately and cost effectively.
We've laid out below the elements that make up a postal address and those that are required for us to deliver mail.

AddressIs it Required?Information
Mr A SmithWhen applicableAddressees Name
Acme PlcWhen applicableCompany/Organisation
Acme HouseYes (except if it has a number)Building Name
3 High StreetYesNumber of building and name of thoroughfare
Hedle EndYes but only if a similar road name exists within a Post Town area Locality Name
SOUTHAMPTONYesPost Town please print in capitals
SO31 4NGYesPostcode please print in capitals
You do not need to include a County name provided the Post Town and Postcode are used."

The Royal Mail (British Postal Service) keeps reorganizing their website, but you might find addressing information here and/or here.

Address Format Examples

Nildram Systems
   Nildram Ltd         [recipient]
   Ardenham Court      [probably the building name: see Format Information.  Not all addresses have this part.]
   Oxford Road         [street name]
   AYLESBURY           [postal town (town/city)]
   BUCKINGHAMSHIRE     [county (not needed)]
   HP19 3EQ            [postal code]
   UNITED KINGDOM      [country name]

from the UPU:
   Mr. Walter C. Brown
   49 Featherstone Street
   EC1Y 8SY

Google ad(s) are sometimes shown above.

Postcode Search (find United Kingdom postcodes / postal codes = 'British zip codes')

Post Code Finder provides U.K. postcode search.

Address Validation, Verification, and/or Correction

Click on the "Find an Address" tab for a form that provides some free address validation help.
Limited number of free searches per day.

Postal Rates to or from the United Kingdom

Postage calculators and tables showing how much postage you need to mail or ship to and/or from the United Kingdom are at the International Postal Rates Page.

Finding Out Addresses (such as addresses in United Kingdom / United Kingdom address search)

See Finding An International Address / Address Search.

Google ad(s) are sometimes shown above.
Copyright, Trademark/Service Mark Information, General Disclaimer,
and Privacy Policy link are in a gray/colored box to the right or below.

Copyright, Trademark/Service Mark Information, General Disclaimer, and Privacy Policy Link

© Copyright 1999-2013 by BitBoost Systems. All Rights Reserved.

BitBoost and BitBoost Systems are trademarks and service marks of BitBoost Systems.

We have composed and provided our own annotations for most addresses, so even if a source is given or suggested for an address, copyright on our own annotations remains our own. This is true even in the eventuality that someone adopts the form(at) of our annotations and/or copies some or all of our annotations, whether they do so under fair use or not.

Although these links and other information were compiled by BitBoost Systems personnel primarily for the use of such personnel: None of the information included or linked to is guaranteed by BitBoost Systems to be available or correct. Nor is it guaranteed by any personnel or organizations associated with BitBoost Systems. BitBoost Systems takes no reponsibility for the results of using such links or other information.

Privacy Policy link

This website addresses such issues as
"How to write a British address?"
"How to address mail to the United Kingdom."
"How much postage should I use to mail my letter or package to the United Kingdom?"
"...how much postage to the United Kingdom?"
"Instructions for addressing mail to the United Kingdom."
"Instructions for addressing packages to the United Kingdom."
"How to send mail to the United Kingdom."