Architectural & Environmental Acousticians

Noise & Vibration Engineers

  • 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

“Cass Allen are extremely proactive in their approach, always timely and provide their expertise in a very user-friendly manner. They are exceptionally cost aware and always endeavour to provide cost effective solutions. They are a pleasure to work with and an invaluable member of the design team.”

Luke Cronin, Technical Manager, Willmott Dixon

Cass Allen have worked on almost every Telford Homes scheme. The repeat business and continued relationship thrives on the service we receive, day in day out. They work very closely with us to provide a solution that works for us. They’re a proven asset to our business.

Daryl Diggons, Senior Technical Coordinator, Telford Homes plc

“Cass Allen has worked on a number of commissions for Taylor Wimpey. Commercially focused, Cass Allen consistently provides a professional and pro-active service which is very much aligned to finding and providing the right solution for the client.”

David Rowland, Technical Manager, Taylor Wimpey South Thames

“Cass Allen went above and beyond to help with the project, in particular proactively advising on the baseline noise S106 obligation and how to mitigate any risk to the client’s project needs and also the surrounding stakeholders.”

Liam McGuigan, Project Manager, Capita plc

“A thorough and efficient service, very easy to work with and crucially very proactive in finding solutions. The site was positioned over Network Rail & HS1 assets so was particularly sensitive from a noise and vibration perspective and Cass Allen’s work here has proved invaluable.”

RJ, Senior Technical Co-Ordinator, Telford Homes

“Good comprehensive reports and advice at all design stages. Very flexible and professional, provided attendance at acoustic cladding tests at short notice. Would use again.”

David Farrell, Senior Technical Manager, Berkeley Homes (South East London)

“I have dealt with 4-5 different members of Cass Allen. I find them all to be very helpful, proactive and very practical. I also found them very willing to engage with Planners to agree a more practical approach than had been agreed by a previous Acoustician working on our behalf.”

Ricky Allgood, Technical Manager, Berkeley Homes (South East London) Ltd

“Cass Allen was employed to give advice in a complaint which involved one of our purchasers and the local authority. 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

“Project undertaken and delivered to high standard. Will continue to use Cass Allen services in the future.”

Mario Cvetkovski, Survey Manager, Equate Design

“Cass Allen have assisted us on a number of our projects. I’ve been impressed with their thorough and professional approach.”

Michael Temple, Planning & Project Manager, Lark Energy

Welcome to Cass Allen Associates

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 2000 projects, gathering a wealth of experience throughout a wide variety of industries and situations, all of which is brought to bear on new projects. Unlike many of our competitors, there are no stock images used on this site; instead, all photos are taken from real projects that we have worked on, and which, we hope, 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.

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Company News

Horse treadmill gallops ahead with planning approval

Cass Allen have been assisting a leading horse trainer in Newmarket with a planning application associated with cutting edge equestrian training equipment, in response to noise concerns from neighbours and the local Environmental Health department. A detailed assessment of the proposed equipment and facilities was carried out by Senior Consultant Neil Morgan. Significant noise sources associated with the treadmill […]

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Will helicopters affect residents of new housing development?

Cass Allen were urgently drafted in to assess the noise impact of a new helicopter training facility adjacent to a part-developed residential complex. Consultant Jonathan covertly took noise measurements from different areas of the complex to assess the potential effect on the prospective residents of the completed properties and to advise if any design changes need to be made to […]

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Contact Us

We hope you find the site interesting but we cannot hope that it will answer all queries, so please feel free to call us to talk through any acoustic issues you may be facing on your projects. The best person that can help with specific queries can be found here.