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How to access the BREEAM API

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With the BREEAM API you can explore BREEAM data on thousands of certified building assessments and integrate it with your own tools, websites and software.

What is the BREEAM API?

What is the BREEAM API?

We are opening our RESTful API web service to allow you to search and access up-to-date BREEAM  GreenBook listing information in a machine-readable format and explore BREEAM ratings data from around the globe.

The data available through the BREEAM API enables you to access information on certified assessments.

Please note, the data available through the API only includes certified assessments of projects or assets under the BREEAM, HQM and BREEAM Infrastructure (formerly CEEQUAL) schemes, and does not contain data on certified assessments of projects against the Code for Sustainable Homes or BREEAM Ecohomes schemes. Furthermore, this service only contains data on assessments which were certified against the BREEAM 2008 scheme onwards. Projects or assets with certified assessments to schemes released prior to this are not included.

How to get started

How to get started

1. Contact us via for an API key

Get in touch at to request an API key. By doing this you agree to the terms and conditions below.

2. Read the documentation

Have a look at the current BREEAM API documentation to understand how it works.

3. Spread the word

Make something great, and tweet about it using the hashtag #BREEAMAPI. Help us spread the word by acknowledging us in any tools you use with ‘We use the BREEAM API’.

4. Share your feedback

Let us know what you think and give us feedback via

By using this service you agree to our terms and conditions

By using this service you agree to our terms and conditions: We will not be liable to you for any (including indirect and consequential) loss or damage, whether in contract, tort (including negligence), breach of statutory duty, or otherwise, even if foreseeable, arising under or in connection with use of, or inability to use, the BREEAM API or use of or reliance on any content from the BREEAM API.

Want to do more?

Want to do more?

We have more advanced API services allowing data input and full interaction with the BREEAM certification process. Interested in speaking to us or using this?

Contact Us