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As of 1st May 2023, CIRIA has moved to a virtual office setting. From this date our registered office address will be 124 City Road, London, EC1V 2NX.

Should you wish to contact any member of our staff, please email them directly. 
If you require Customer Services, please email [email protected] or telephone 07933 181765. Our virtual office hours are Monday to Friday 09.00-17.00.

All our Members and contacts can be assured that through our virtual presence, our focus on delivering tangible benefits remains. The teams continue to work hard in developing a varied events programme to appeal to a wide audience, delivering a CPD training programme, developing good practice guidance as well as providing the usual level of support that you - our Members and the wider industry have come to expect. We will also continue to hold face to face meetings and events as business needs arise and look forward to working with you as we transition to a virtual office setting.

CIRIA is a neutral, independent, not-for-profit organisation. We facilitate a range of collaborative activities that help improve the construction industry.



ciriabest, (CIRIA’s benefits estimation tool) makes assessing the benefits of blue-green infrastructure easier, without the need for full-scale economic inputs. Find out more...

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Out now: Geotechnical Baseline Reports : A guide to good practice (C807)
This guide facilitates the production of appropriate and proportionate GBR’s which can be agreed between all parties at each stage of the construction process.  
Click here to order a copy. 

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Project spotlight



Good practice guidance for risk management of microplastics in soil

There is mounting evidence of soil contamination through degraded plastics, resulting in adverse impacts on biodiversity and soil health. This project aims to address the issue of microplastics in soil.
Click for details