“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

Matthew Hill - Acoustics Consultant
Direct Dial: 01234 834 836 / Email

Matthew graduated in 2018 from Anglia Ruskin University with a first class degree in Audio and Music Technology (BSc). His award winning final project compared passive audio crossovers for loudspeakers, which he still enjoys tinkering with in his spare time. Matthew has also recently finished building his first pair of Hi-Fi loudspeakers. When he’s not at work, Matthew also enjoys playing for a 6-a-side football team and volunteering as a live sound engineer.

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.