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12 Years
experience
Expert Acoustic & Fire Engineering Solutions
Established in 2014, we are an independent specialist consultancy delivering technical expertise in acoustic design, fire engineering, and building surveying across the UK and internationally. Our team combines over two decades of industry experience with ISO 9001-certified processes to address complex design challenges collaboratively. We prioritise client relationships, transparent communication, and tailored solutions that align with project-specific requirements, from initial concept to construction.

Our multidisciplinary approach integrates BIM, CFD modelling, and compliance with Building Safety Act 2022 standards, ensuring robust, future-proof designs. With a track record of successful projects in education, healthcare, and commercial sectors, we combine technical precision with a commitment to innovation and client satisfaction.
Services
Acoustic Design Fire Engineering Building Surveying BIM Modelling CFD Modelling
Details
  • Year established: 2014
Highlights and features
  • We offer 20+ years of experience in acoustic and fire engineering consultancy
  • Our ISO 9001-certified processes ensure quality and compliance
  • We provide lifecycle project support from concept to construction
  • Our cross-disciplinary team tackles complex design challenges collaboratively
  • We combine technical expertise with client-focused communication
Associations and certifications
  • ISO 9001:2015
What people say
Professional and considered advice Responsive and pragmatic approach Willing to solve complex problems Helpful manner and communication Collaboratively working with project teams
Services
Acoustic Design
Our acoustic design services address noise control, sound enhancement, and vibration management for buildings and urban environments. We provide facade acoustics, plant noise solutions, and environmental assessments, ensuring compliance with regulations while optimising soundscapes for occupant wellbeing. Our expertise spans residential, commercial, and educational sectors.
Fire Engineering
We deliver tailored fire strategies, compartmentation surveys, and CFD modelling to meet regulatory requirements. Our services cover gateway stages 1-3, including fire risk assessments, strategy reports, and construction-phase inspections. We specialise in complex projects requiring innovative solutions that balance safety with design integrity.
Building Surveying
Our building surveyors offer compliance guidance under the Building Safety Act 2022, including condition assessments and asset management strategies. We support owners, tenants, and investors with technical expertise on regulatory requirements, remedial solutions, and lifecycle property management across the UK.
BIM Modelling
We utilise BIM and 3D modelling to enhance information exchange during design and construction. This technology supports coordinated project delivery, clash detection, and accurate visualisation of acoustic and fire engineering solutions, improving efficiency and reducing errors throughout the building lifecycle.
CFD Modelling
Our CFD modelling predicts fire and smoke behaviour in complex buildings, informing safer evacuation routes and suppression systems. This advanced analysis supports code-compliant designs while maintaining architectural intent, particularly in high-risk or heritage structures requiring tailored fire safety solutions.
People
Ben Cahill
Managing Director
Founder with 20+ years in acoustic engineering, specialising in architectural acoustics for diverse sectors. Leads project delivery with a focus on client satisfaction and practical solutions.
Gwen Brewer
Principal Fire Engineer
15+ years experience in fire consultancy, including London Fire Brigade roles. Expert in UK fire standards and code-compliant designs for complex buildings.
Nick Swainston
Head of Acoustics
Principal consultant with 18 years in noise and vibration assessment. Specialises in modern construction methods and sustainable acoustic solutions for challenging projects.
Rob Holland
Head of Fire Engineering
9 years experience in fire safety, skilled in combining prescriptive standards with innovative engineered solutions. Focuses on life safety and business continuity in high-risk environments.
Mark Scaife
Commercial Director
22 years in acoustics and vibration assessment, with expertise in sustainable design. Leads acoustic team in delivering practical solutions aligned with client objectives.
Questions
What sectors do Cahill Design Consultants specialise in?
We work across education, healthcare, hospitality, energy, and commercial sectors, delivering tailored acoustic and fire engineering solutions for new builds and heritage projects.
Are your fire strategies compliant with UK regulations?
Yes, our fire engineering services meet Approved Document B, Building Safety Act 2022 requirements, and international standards like NFPA, ensuring full regulatory compliance.
How do you ensure quality in your acoustic assessments?
As ISO 9001-certified consultants, we maintain rigorous quality controls through documented processes, peer reviews, and continuous staff training in the latest standards.
Can you support projects internationally?
Yes, our technical expertise and adaptable approach enable us to deliver projects globally, with experience in diverse regulatory environments and construction practices.
What fire safety services do you offer during construction?
We provide site inspections, EWS-1 assessments, compartmentation surveys, and fire door inspections to ensure compliance and safety during the construction phase.
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