• 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

King’s Cross Central Regeneration

Cass Allen are delighted to carry out the acoustic design and testing at one of the most exciting large new developments in London. The site covers 67 acres and is transforming what was industrial wasteland into a thriving new hub – with its own brand new postcode to match! The first buildings to be developed […]

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January 7, 2020

Cass Allen are walking in a winter wonderland!

We returned to the office after the weekend on Monday to find Santa’s Christmas elves had been very busy decorating our office! (You may spot some familiar faces in the photo.) As always our team will be working hard to ensure our client’s needs are met for the rest of 2019, into 2020 and beyond. […]

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December 9, 2019

Dancing in the streets in Battersea (with the Royal Academy of Dance)!

Cass Allen have been involved in the acoustic design of a prominent new residential development in the Battersea area of London that has revitalised a stretch of York Road. The development comprises three high rise towers of up to 24 storeys containing 299 mixed tenancy homes above the prestigious Royal Academy of Dance. The academy […]

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November 21, 2019

Cass Allen Associates are growing – again!

Cass Allen are delighted to announce the appointment of not one, not two but THREE new members of the team! Our new dedicated Administrator Mika Nedelcu has succeeded Gaye Coulson who is now focusing on her new role as Marketing and Human Resources Coordinator. Mika will be managing the day to day running of the […]

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November 6, 2019
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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.