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Glossary

A glossary of address terms

Updated 22 May 2020

Glossary

Address autocomplete
A tool to extract address suggestions for a complete or partial address. For more information, view our address finder.
Alias Data
Alias data is information the public choose to use when addressing mail, but which isn’t actually required for delivery purposes.
API
API stands for Application Programming Interface. It is a set of tools designed to create applications that access data of an operating system, application, or other service.
Closed User Group
A Closed User Group is
“an End User’s network of businesses comprising that End User and not less than 10 Business Partners all of a single type.”
County
A county is a subnational division of the United Kingdom, used for the purposes of administrative or geographical demarcation.
Data Cleansing
Data Cleansing is a solution to remove duplicates, organise data in a consistent format and correct data that is wrong.
Data Extraction
The extraction of PAF Data or any part of it for the generation of new address records in a new or existing database.
Delivery Point
The letterbox where the mail is delivered.
Dependent Street
A Dependent Street is included in an address when the Delivery Point is not on the main street.
Dependent Thoroughfare
Distinguishes a premise when a thoroughfare appears more than once in a post town.
Dependent Locality
Distinguishes a premise when an address thoroughfare appears more than once in the same post town.
End User
An End User is a single legal entity entering into a PAF®, Multiple Residence™ or Not Yet Built™ licence agreement. Find out what classifies an End User.
Full/Part NYB
All elements recorded in the Not Yet Built Dataset. View our list of full/part NYB components.
Full/Part PAF
All elements recorded in PAF Data. See our list of full/part PAF components.
Fuzzy matching
A smart search functionality to correct typos or spelling mistakes. See more features here.
Geocoding
Taking an address and returning a latitude/longitude location.
Internal User
Any staff member in an organisation authorised to use addressing data. Read more on End Users here.
Licensee
A user who is authorised to use PAF Data by way of a sublicence, but not an End User. Find out more about sublicensing here.
Multiple Residence
The Multiple Residence database identifies and verifies premises where households share the same letter box and provides a detailed address structure for these properties. Read more here.
Not Yet Built
The Not Yet Built dataset is an additional database from Royal Mail that lists properties currently in planning or under construction. Read more here.
Organisation Use
Available solutions to cover unlimited users. Contact us for high volume usage.
PAF Data
Royal Mail’s Postcode Address File (PAF) is a database containing more than 30 million postal delivery addresses and 1.8 million Postcodes. Read more here.
Postcode
Combination of alphanumeric characters used as part of a postal address. Every property in the UK has a postcode assigned to it. Learn how UK postcodes are formatted here.
Postcode Area
Postcode Area refers to geographic areas defined by the first or first and second alphabetic characters of the Postcode.
Postcode lookup
A tool to search UK addresses from a postcode. Find out more here.
Post Town
Also known as the Locality; however, the post town represents the postal delivery locality and not necessarily the geographic locality.
Service Level Agreement (SLA)
An agreement between a vendor and a customer outlining the services expected, how it is measured and the remedies and penalties is the agreed service levels are not met.
Solution
A product of service which benefits from or includes PAF data. Find out more about our solutions and how we can help here.
Sub-Building
A sub-building is known as a sub-premise, such as an apartment, flat, or suite.
Thoroughfare
A Thoroughfare is known as the street or road.
User
A User is anyone authorised by an End User to use a Solution.
Website Use
The use of PAF data to capture or verify addresses on webpages, mobile applications or landing pages.