Sound Insulation Design & Testing

Part E of the Building Regulations requires that new dwellings and schools are constructed to achieve certain acoustic standards. We are experienced in the detailed acoustic design required to comply with, or exceed, Part E standards.

We are also accredited through the Association of Noise Consultants (ANC) to carry out Pre-completion Sound Testing to demonstrate compliance with Part E. We have carried out several thousand of these tests, which have given us a wealth of data on the in-situ performance of most types of building constructions. This enables us to be confident in our designs without needing to ‘over-engineer’ constructions, often saving clients substantial sums.


Success Stories

Apartment Block – First Phase of Ruskin Square Development

Client: Midgard Ltd
Architects: Allford Hall Monaghan Morris

Cass Allen Associates has been instructed by Midgard Ltd to assess the acoustic design of this apartment block, which rises from 9 to 20-storeys and is part of the first phase of the £500m development at Ruskin Square in Croydon.

An Environmental Impact Assessment showed that noise levels at the site are dictated by the adjacent East Croydon railway line and traffic on surrounding roads. We are currently advising on the acoustic design of the external envelope of the building before moving on to address the internal acoustics of Phase 1.

Kew Bridge West Development

Client: St James
Architects: Stockwool

St James, part of the Berkeley Group, have instructed Cass Allen Associates to provide detailed acoustic design advice through the design and construction stages of this exciting new development.

The development is located on Kew Bridge Road, in Brentford, opposite the River Thames. It will consist of three residential blocks housing 1, 2 & 3 bedroom apartments and underground parking.

Urban Regeneration in Digbeth

Client: Colmore Tang Construction
Architects: BDG

Colmore Tang Construction has instructed Cass Allen Associates as acoustic consultants to discharge noise related planning conditions, provide building acoustics advice and pre-completion testing for the redevelopment of the former Harrison Drape curtain factory in Digbeth…

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New Secondary School – Merchant’s Academy, Bristol

Client: Cowlin Construction
Architects: AWW
M&E Consultants: Mitie

To acoustically design this new £23m academy to comply with Part E of the Building Regulations and Building Bulletin 93. We then carried out Pre completion tests, which showed that all design targets had been achieved.

Conversion of listed building into luxury apartments – Bushy

Client: Comer Homes Group
Architects: Architects Design Partnership

To provide design advice and pre-completion acoustic testing to this conversion of the former Masonic School for Boys into luxury apartments…

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New Mixed Use Development – London

Client: Barratt Homes North London
Architects: Hester Architects
Planning Consultants: Bell Cornwell

To carry out an environmental noise assessment and Part E design study on a new 180 dwelling mixed use development close to a railway line on a former factory site in North London. Acoustic modelling superimposed upon satellite imagery was used to predict the noise level on the various facades of the development. Pre-completion tests demonstrated that the acoustic design was successful.

Latest News

Company News
29 Feb 2024

Cass Allen share knowledge at guest lectures

Cass Allen share knowledge at guest lectures. We had the pleasure of visiting the University of Derby and Birmingham City University...

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Company News
21 Feb 2024

Proudly Introducing…

We are delighted to introduce and welcome our newest team members...

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Project News
19 Apr 2023

Part of The Battersea Masterplan

We are proud to be assisting with numerous phases of the very exciting and dynamic developments at Battersea Power Station.

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Company News
05 Jun 2023

Our Air Quality division is expanding!

We are delighted to have to added Air Quality to our array of expertise and celebrate a successful 6 months.

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Project News
28 Feb 2023

Protecting some very important artefacts

We have recently completed an exciting project based at The British Museum.

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