• Noise from Waste Transfer Station – London

    Noise from Waste Transfer Station – London         

  • Large mixed-use scheme – One Tower Bridge

    Large mixed-use scheme – One Tower Bridge         

  • New Hotel – Heathrow Airport

    New Hotel – Heathrow Airport         

  • New residential village for Berkeley Homes

    New residential village for Berkeley Homes         

  • New Container Distribution Hub – Felixstowe

    New Container Distribution Hub – Felixstowe         

  • New Skills Academy – Bristol

    New Skills Academy – Bristol         

  • New Chapel and Crematorium – Milton Keynes

    New Chapel and Crematorium – Milton Keynes         

  • New Leisure Centre – Nottingham

    New Leisure Centre – Nottingham         

  • New Office Block – London

    New Office Block – London         

“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

Architectural & Environmental Acousticians

Noise & Vibration Engineers

Cass Allen GDPR Statement

Your data will be held within a secure CRM system and an email server will be used for sending what we hope are useful and relevant email briefing notes. We do not share this information with anyone. If you would like to see your data at any time or discuss this further, please email us at mail@cassallen.co.uk

Cass Allen Associates are a specialist Acoustics consultancy focused on the development, construction and environmental industries. Since our inception in 2000 we have completed over 3000 projects, gathering a wealth of experience throughout a wide variety of industries and situations, all of which is brought to bear on new projects.

All photos on our website are taken directly from projects we have or are working on, there are no stock images used on this site. We hope this gives a genuine insight into the work we do. We are full members of the Association of Noise Consultants and are accredited to carry out pre-completion sound testing as required by Part E of the Building Regulations.

Company News

Cass Allen Consultant Ronny strikes a pose with our Acoustic Camera

Cass Allen Associates always seek to be at the forefront of acoustic measurement capabilities and recently provided on-site testing of noise breakout from a manufacturing facility using the SIG acoustic camera. We could tell you all about how this acoustic camera works but we thought we’d let the recordings speak for themselves – check them […]

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October 16, 2019

Cass Allen are moving on up (before climbing back down again!)

As you may have read in our latest mail out (click here to sign up if you’d like to receive our monthly news and informative articles) Cass Allen were delighted to be invited to take part in Berkeley Homes’ charity tower climb in aid of The Berkeley Foundation. The charity aims to help young people […]

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October 2, 2019

Cass Allen Associates to deliver again at Postmark site

Cass Allen have been chosen as the key acoustic consultancy for an exciting new development in central London adjacent to the London Central Mail Centre (Mount Pleasant). The four building development, known as Postmark, is situated in the heart of London straddling two postcodes and will contain over 300 flats once complete. We have been […]

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September 4, 2019

A Room with a View

Cass Allen have provided acoustic design guidance which has helped successfully obtain planning permission for an exclusive roof top Sky Terrace- a private members space at the Crowne Plaza Hotel on the Albert Embankment that offers panoramic views over the River Thames and Houses of Parliament. The challenge with the design was to meet stringent local authority […]

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August 22, 2019
More Company News

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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.