Combine AddressBase with additional data
Append additional PAF datasets or ONS geospatial data.
Connect existing data within your organisation to AddressBase using the unique property reference number (UPRN).
Complete form validation
39 million addresses
Including PAF and Local Authority BS7666 addresses
Complete property lifecycle
Alternative, pre-build and historic addresses
Residential and commercial properties
Plus objects without addresses like phone boxes, ponds and pylons
Address coordinates and grid references
Records include UPRN, UDPRN and a number of other key identifiers
- Read more about AddressBase Premium
33 million address records
From Royal Mail PAF (Postcode Address File)
The latest address information
Includes residential and commercial properties
- Read more about AddressBase Core
Postcoder is the key to your Ordnance Survey data solution
The record of alternative addresses provided by AddressBase Premium can help financial institutions and insurance companies prevent fraud.
The scale and granularity of AddressBase Premium allows you to conduct detailed risk analysis at the level of individual properties, or big picture analysis of changing neighbourhoods.
Planning and services
The provisional addresses included in AddressBase Premium enable accurate infrastructure planning that caters for growing towns and cities.
Use Postcoder to access AddressBase with our simple and secure API
Get up and running with address lookup in minutes using the quick start guide, sample code and API docs.
- Get started for free
- Retain your existing form layout
- Customise response fields and address lines
- Get 100% free support over live chat, email and telephone
- 99.99% API uptime
What our customers say
"It took us under a day to swap out our old system with Postcoder and we have been enjoying it ever since."
"We've been really pleased with the uptime and reliability of the service."