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Here you will find informative articles and videos covering topics within Acoustics and Air Quality, including industry regulation updates.
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National Planning Policy Framework
The new National Planning Policy Framework (NPPF) reinforces the importance of considering acoustics at an early stage of the planning and design process, to minimise the potential for unacceptable levels of noise.
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2026 School Air Quality & Ventilation Guidance
In February the Department for Education published new guidance on managing ventilation and indoor air quality across schools and childcare settings in England. The document provides advice with a clear focus on monitoring, maintaining and improving air quality day-to-day.
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Building Safety Act & Residential Acoustics
Since the introduction of the Building Safety Act in 2022, acoustics has emerged as a topic of significant scrutiny and an area where robust understanding of both the regulations and the technical challenges is required to achieve approval.
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BREEAM ‘New Construction’ Version 7
With the introduction of BREEAM ‘New Construction: Residential’ V6.1 in 2024 and ‘New Construction’ V7 in 2025, Cass Allen have assessed the new technical manuals regarding Noise and Air Quality to provide a clear summary of the new credits and how this may affect both developers and designers going forward.
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What’s New in AQ?
The world of Air Quality and Odour Consultancy is always changing, as research continually advances our understanding of both ambient and indoor air pollution, sources, atmospheric chemistry and health and amenity impacts.
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Acoustic Implications of Recladding High-Rise Buildings
Thousands of tall buildings are in the process of having their cladding replaced. We explain the potential noise risks and considerations you need to bear in mind for your project.
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