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Platform

NBS Chorus Plans and features Small works Preliminaries New Book a demo Sign in to NBS Chorus NBS Source Browse by category Browse by manufacturer For manufacturers Go to NBS Source Uniclass New Articles and updates Specifying with Uniclass Feedback and Support Find a code Other tools Construction Information Service (CIS) Digital Plan of Work New Plug-ins

Resources

Knowledge Case studies Authors Whitepaper Reports Digital Construction Report Sustainable Futures Report New Resources New Sample Specifications Financial Summary New

Support

Support NBS Academy Downloads and updates

About

About NBS Newsroom Careers New Partners Sustainability

Uniclass

UNIFIED CONSTRUCTION CLASSIFICATION

Uniclass is made up of a set of tables that can be used by different parts of the construction industry in various ways. 

Uniclass-home

What is Uniclass?

Uniclass is a unified classification system made up of a set of tables that can be used by different parts of the industry in various ways. For example, facilities managers and owners might classify their existing asset records, whilst designers and constructors can use Uniclass codes to structure specifications and manage project information.

Read more

Table downloads per year

37,000+

UK specifications developed using the Uniclass content set per week.

700

No. of countries using Uniclass

100

UK BIM projects now using Uniclass as their primary classification system

+50%

Manufacturers with products classified using Uniclass

1000+

Welcome to Uniclass

Welcome to Uniclass

Uniclass is a ‘shared language’ for organisations. It ensures consistency, clearer communication and better record keeping. The new Uniclass tool has been built to improve the searchability and usability of Uniclass, making it easier to navigate than ever before. Search and browse the tables to instantly look for codes, or download them to use in your own systems.

Find a code
Specifying with Uniclass

Specifying with Uniclass

Uniclass is the native classification system for our platforms NBS Chorus and NBS Source and is now integral to BIM and the ISO19650 information management process. Discover training, articles and the latest webinars to help you get started with using Uniclass in digital specification, and see how it is being applied throughout the construction timeline.

Get started
Latest articles and updates

Latest articles and updates

Uniclass is used around the world with over 37,000 table downloads per year across 100 countries. Catch up on details about updates as well as the latest articles and case studies to show how it is being implemented across the industry.

Learn more

 

Feedback and support

Need help? Join our community forum where you can search existing queries as well as reach out to our support team.

Go to support

 

API

The Uniclass API allows you to access Uniclass in your own platform, making it even easier to apply to your day to day processes.

Learn more

 

Advisory Board

NBS works with an independent Advisory Board made up of a cross-section of industry organisations to make updates and improvements to Uniclass.

Learn more

 

Mappings and Translations

With the support of our partners, we aim to make Uniclass more accessible by providing mappings and translations.

Learn more

FAQs

What is Uniclass?
Uniclass is a unified classification system made up of a set of tables that can be used by different parts of the industry in various ways. For example, facilities managers and owners might classify their existing asset records, whilst designers and constructors can use Uniclass codes to structure specifications and manage project information.
How do I start using Uniclass?
You first need to know what you want to classify (e.g., a building, a construction product, a piece of equipment) as this will help you decide which table or tables best suits your needs, and you can then either download them to study in detail or search or browse codes to find what you need. Finally, if you need more detail on how Uniclass works or to see how other organisations have used it, look at some of our case studies.
How much does Uniclass cost?
Nothing - Uniclass is a free service. All Uniclass tables are available to download and use completely free of charge.
Can I write a specification using Uniclass codes instead of CAWS?

The UK construction industry has used CAWS for many years, however CAWS is no longer maintained as a classification system and more and more projects are now selecting Uniclass.  NBS Chorus uses Uniclass as its native classification scheme, so you can structure your specification by Uniclass codes, as well as finding construction products and systems classified with Uniclass on NBS Source.

Can I download all of Uniclass in one file?
Uniclass is currently made up of a suite of 12 tables, all of which can be downloaded individually or as a bundle. You can download the tables and notes on any changes to them here.
Can I download earlier versions of Uniclass tables?
Yes, you can download all available older versions of the tables.
How is Uniclass used in NBS Chorus?
NBS Chorus, the industry-leading specification platform, includes Uniclass as one of its native classification systems. To learn more about NBS Chorus and how to write specifications using Uniclass, visit this page.