• 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 is 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

Luxury London living at the iconic Regents Crescent

We are proud to share news of our involvement in the development of Regents Crescent, a sweeping Grade I listed building, originally designed by John Nash, in the heart of London. Regents Crescent has been rebuilt and modernised to provide luxury residences and amenities, comprising 68 new apartments and 9 contemporary Garden Villas, as well […]

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January 27, 2022

We’re off to the OxCam Arc Conference!

We are excited to share news of our involvement in the OxCam Arc Economic Growth and Development Conference taking place at Stadium MK on 16th and 17th November 2021. The OxCam Arc is central to the UK’s future economic growth and this event brings together key decision makers, policy influencers, public sector stakeholders, developers, investors, […]

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November 5, 2021

The sky’s the limit at Consort Place

Working with Midgard Ltd as part of their design team, we are proud to share news of our involvement in Consort Place (formerly known as Alpha Square), a landmark development on the Isle of Dogs, London, owned by the Hong Kong developer Far East Consortium (FEC). Construction of Consort Place began in September 2019 and […]

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August 19, 2021

Driving down noise levels at Vauxhall Way

Luton Borough Council recently appointed our team to assess noise levels related to the phased dualling of Vauxhall Way. This exciting project sees the construction of new sections of highway and alterations to the existing highway to transform the main route into and out of Luton and improve facilities for pedestrians and cyclists in the […]

Read More [..]

July 2, 2021
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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.