AddressBase Premium

As our flagship address database, AddressBase® Premium gives you the most up to date, accurate information about addresses, properties and land areas where services are provided.


You’ll be more efficient – making it easier and quicker to deliver a smooth service to your customers with our postcode look-ups and address auto-completion for your websites.

The insights to property lifecycles you’ll find within AddressBase Premium can give you all the information you need to shape the way you plan, operate and communicate with your audience.

At scales of 1:1250 to 1:10 000, AddressBase Premium has all the information you’ll need to conduct risk analysis at the level of individual addresses and spot patterns hidden in your own data.

AddressBase Premium data

Avoid errors, detect fraud

Knowing that 21 Croxton Road and Primrose Cottage are the same property, thanks to AddressBase Premium's alternative addresses, can be pivotal in fraud and risk detection – from mortgage applications to insurance claims on non-existent properties.

AddressBase Premium data

Planning ahead

Within AddressBase Premium, we’ve included the most accurate list of provisional addresses in Great Britain yet to be completed. This is vital in determining the size of new infrastructure needed to cater for population growth.

AddressBase Premium data

Content and context

From planning, throughout construction, occupation and any change of use and ending in demolition, AddressBase Premium is the most comprehensive view of Great Britain property lifecycles.


Key featuresWhat this product offers

Comma separated value (CSV) and GML 3.2.1

Data structure



Pre-build addresses; historic addresses; alternative addresses; OS Mastermap Topography and Integrated Transport Network Layer TOIDs and the associated alternative record; objects without postal addresses; addresses with multiple occupants; local authority BS7666 addresses; Royal Mail postal addresses, where matched to a UPRN; coordinates for each address.


1:1250 to 1:10 000

Update frequency

Six-weekly refresh (view release schedule)


DVD and FTP (for orders under 2Gb). PSMA and OSMA members can download 5km chunks.


Great Britain – pre-defined areas are available, or you can define your own area of interest.

 AddressBaseAddressBase PlusAddressBase Premium
UPRN – basic analysis
PAF Address – Royal Mail addresses
PAF UDPRN – Royal Mail's delivery reference system
Simple classification
Advanced classification
Local authority current address
Cross-reference with third-party datasets
Alternative addresses
Lifecycle data
AddressBase Premium support ›


How is this data supplied and what do I need to use it?

AddressBase Premium is supplied on DVD. If the file size of your order is smaller than 2 Gb, you can get it from our FTP server. In addition, public sector customers can download 5 km chunk orders via our download service.

You'll need geographic information system (GIS) software to use AddressBase Premium.

Is multi-residency information included in AddressBase Premium?

Yes. The information is provided by Local Authority custodians, who identify multiple occupancy addresses with a shared entrance. This is shown in the data as a structured Parent and Child hierarchy.

Where can I find out the counts of features in AddressBase Premium?

Please refer to our release notes. A release note is created for every Epoch and this includes the counts for each AddressBase Product.

Who supplies AddressBase products?

OS distributes AddressBase products; all direct customer relationships and product supplies are managed and fulfilled by us.

See all FAQs for AddressBase Premium ›


AddressBase Premium is available under the following Licences:

Explore our data

You’re welcome to try out this data for free under our Data Exploration Licence.

Internal business use

When using OS data in your own business, you need our Framework Contract (Direct Customers) together with a data contract.

Creating products or services

To use this data commercially in your own products and services, or to distribute it, you will need to sign up to our Framework Contract (Partners) and a relevant defined use contract. This will vary depending on what you’re going to do with the data.

Collective mapping agreements

These products are available to members of public sector organisations under the following agreements:

Find out more in our Public sector licensing guide ›

This product is available under the:

  • Media Licence. We encourage the use of OS maps in the media – TV, films, print and online. Sign up free to give your consumers valuable context via an authoritative map.
  • Publishing licence. This is suitable for one-off publishing of maps in publications, on merchandising and websites.
View all licences ›

Case studies

Give it a try

Download a small area of AddressBase Premium sample data

Or you can apply for a Data Exploration Licence to try out the real thing.

If you're in the public sector, this product is free of charge thanks to your mapping agreement.