“Very proactive and extremely helpful, especially with technical queries. I would not hesitate to recommend and will certainly be using them again in the future.”



Under CDM2015 regs we have found CASS ALLEN to exercise a level of professionalism and due diligence which is second to none. We would therefore definitely recommend CASS ALLEN as our preferred acoustic consultant, for all of our projects.’


SF - Taylor Wimpey South Thames

“I was very pleased with their technical knowledge and professional approach when dealing with a very awkward purchaser as well as the local authority.”


JH, Telford Homes

“Cass Allen went above and beyond to help with the Acoustic planning performance and conditions regarding the Greenwich Creekside project…”


LM, Capita plc

“Good comprehensive reports and advice at all design stages. Very flexible and professional, provided attendance at acoustic cladding tests at short notice.”


DF, Berkeley Homes

“Cass Allen have assisted us on a number of our projects. I’ve been impressed with their thorough and professional approach.”


MT, Lark Energy

Sam Bryant - Director
Direct Dial: 01234 834862 / Email

Sam is a Chartered Engineer (CEng) and completed an MPhys at Cardiff University where he specialised in acoustics and is a full member of the Institute of Acoustics. After graduating he worked in underwater environmental acoustics on wildlife conservation projects.

Sam joined Cass Allen in 2013 as an Acoustics Consultant, was made a Senior Consultant in 2015 and then promoted to Director. During his time at Cass Allen, Sam has gained extensive experience in noise and vibration assessments for both pre and post-planning development phases. Of particular interest are large-scale mixed use developments for which Sam has carried out planning assessments, Environmental Impact Assessments, detailed design work and commissioning testing.

Sam also regularly presents CPD seminars to architects, planners and developers on how acoustics fits in to their field. Please get in touch with him if that’s of interest to you.

In his spare time Sam enjoys spending time with his family, woodwork and playing the guitar.

Get in touch

We hope you’ve enjoyed browsing our website but if you have any questions feel free to call us to talk through any acoustic issues you may be facing on your projects. The best person who can help with specific queries can be found here.