• 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

Clock to keep ticking at Chrisp Street

Cass Allen are currently assisting Telford Homes in the acoustic design of a large-scale redevelopment of the Chrisp Street Market, Poplar and surrounding buildings. The development will maintain the covered market, the first pedestrianised shopping centre in Britain, and the iconic Clock Tower whilst providing over 600 new homes and a variety of commercial and […]

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August 7, 2019

Artefacts preserved with Cass Allen’s Construction Monitoring

We carried out vibration monitoring at a storage facility for collection items from both the British Museum and the London Science Museum. Construction work was being carried out directly outside the storage facility. During our involvement, we liaised with the museum’s Conservation Officer to monitor whether the construction work had potential to damage the items […]

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July 29, 2019

5 Reasons for Sound Testing Failure

There can be a host of reasons why a partition might pass or fail a sound insulation test. We have put together a list of a few and explain how to avoid issues arising on your sites. 1 – Design Poor acoustic design of party walls and floors as well as junction details will affect […]

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July 15, 2019

Massive Progress for a Massive Site!

Berkeley Group have been awarded Resolution to Grant for its Malt Street Development. The site comprises around 1,200 residential units and 4,000sqm of commercial use alongside the linear park, public square and green routes. Formerly the site was used for industrial purposes and short term storage solutions but the new development will create far more […]

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July 5, 2019
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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.