The leading construction specification platform.
Create technical specifications rapidly anywhere and on any device.
Practices using NBS
3,600+
AJ Top 100 Architects using NBS
92%
Manufacturer products
33,000+
Decisions made in NBS per month
13.6m
Resource saved writing specs*
50%
Time saved writing specs*
70%
Paul Broadfoot, Space Architects
Carl Sablon, Hollis
Nick Ainscough, IBI group
IMPROVE ACCURACY
Keep your specification accurate with high quality content maintained by our team of specialists.
WORK FASTER
Create specifications up to 70% faster than using Microsoft Word documents or other software.
KEEP YOUR MODEL IN SYNC
Develop your design model and spec simultaneously. Chorus effortlessly keeps your updates in sync with Revit, Archicad and Vectorworks.
COLLABORATE SEAMLESSLY
Invite multiple users to develop specifications together, for seamless collaboration.
WORK ANYWHERE
NBS Chorus is cloud based so you can work on your PC, Mac or smartphone. All you need is an internet connection.
SPECIFY BETTER
Make informed manufacturer product decisions in the specification environment with NBS Source.
Discover NBS Source
ENHANCED FEATURES
Our most popular subscription, Chorus Pro includes an enhanced set of features for smarter working.
Over 3,600 companies use NBS to write their specifications.
Click the logos below to read some of their stories.
Like the look of NBS Chorus, but don't need a full subscription?
We've got you covered...
NBS Chorus for Small Works is a package created specifically for architects,engineers and designers who write specifications for smaller works and projects.
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A version of NBS Chorus for Quantity Surveyors and Project Managers who want to use the powerful features of Chorus, but don’t need access to all the specification content libraries.
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An NBS Chorus offering created specifically for organisations who want to coordinate the design model with the specification but don’t need all users to edit or write specification content.
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A version of NBS Chorus created to support the next generation of designers, architects, and engineers to refine their specification writing skills, and prepare for their future careers.
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A specification writing and consultancy service from NBS to help keep your designers doing what they do best, honing their creativity and designing beautiful and functional buildings.
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Work smarter and safer, collaborate better,
and connect your workflow.
Frequently Asked Questions
NBS Chorus is a cloud-based specification writing platform for the construction industry. It enables user to work smarter and safer, collaborate better and connect their workflow. It is used by over 3,600 companies around the world to create technical specifications up to 70% quicker with 50% less resource.
Chorus includes the essential features needed to produce high-quality quality specifications in the cloud.
Chorus Pro includes an enhanced set of features which enable complete cloud specification for smarter working.
We recommend that you get in touch to discuss the best subscription to suit you needs.
Architecture: Content typically used by architects, surveyors, and interior designers. It includes. building systems and construction products for new buildings, renovation, and related specification e.g. curtain walling, masonry, timber framing, stairs, windows, doorsets.
Landscape: Content typically used by landscape architects. It includes flora and fauna systems for landscape planting, vegetation control, forestry, and living roofs. Also includes fencing, street furniture, irrigation, drainage, paving etc.
Services: Content typically used by mechanical and electrical engineers. It includes, mechanical and electrical engineering systems for e.g. heating, cooling, water supply, gas supply, fire-extinguishing, lighting, alarms and security.
Structural: Content typically used by structural engineers on building projects. It includes structural systems for buildings, e.g. excavation, foundations, piling, waterproofing, structural glass, structural.
Preliminaries: Project management and contract-related information associated with each content library is available in NBS Chorus Preliminaries, available for Uniclass and CAWS-based specification, e.g. JCT, JCLI, NEC3, NEC4, RIBA Concise, SBCC contracts etc.
Small works: A tailored library of content that contains a selection of clauses and associated technical guidance from the UK CAWS content. This concise scope of content is intended for use on simple construction projects which involve architectural, landscape, and associated building services work’.
When writing a specification in CAWS format for an external window, the user would start by adding the work section L10, ‘Windows/ rooflights/ screens/ louvres’ to their project.
When using Uniclass 2015 to write a specification for an external window, the user would add the specific system from Ss_25_30_95, ‘Window systems’.
The industry has used CAWS for many years, however, CAWS is no longer maintained as a classification system, as it is from an earlier version of Uniclass, and more and more projects are now selecting Uniclass 2015. Read more.
Chorus users can choose a classification system as part of their subscription – each are priced individually.
The cloud has been proven to be a reliable and secure choice for even the largest organisations and is fast becoming the most trusted data solution.
We take data security very seriously, and you can be sure that we have taken all the necessary steps to protect your data and maintain our cloud security.
Take a look at our Security page where we've included some frequently asked questions to share more detail about how we keep your data safe.
We’ve got a range of subscription options available suitable for different business types and working practices.
We also offering monthly flexible payments, so you can spread the cost. Get in touch today and one of our expert team will be able to discuss the best subscription for your business.
