UK Government Data Standards Catalogue

Metadata Value
Data Element

Unique Street Reference Number
Is Part Of
Has Parts  
Version 1.1 
Status Release 
Previous Versions  
Later Versions  
Date Agreed 16 July 2002
UML diagram BS7666 UML diagram
Name

Unique Street Reference Number
Description A unique identifier for each street.
Business Format As per BS7666:2000. Max 8 Characters.
Element Type Data Type
XML Schema
View whole schema document BS7666 Address as XML
View definition USRNtype as HTML
Validation
BS7666 - Positive integer minimum length of 1 digit and maximum length of 8.
Value
Positive integer in the range 1- 99999999
DefaultValue
Owner British Standards Institute
Based On As per BS7666:2000
Verification
The value of the USRN may be verified as part of the address validation process using the National Street Gazetteer (NSG)
Comment
  • The allocation of USRNs is managed by the NSG custodian on behalf of the Local Government Information House.