
Ensure full compliance with the Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR) with support from Delta Fire Engineering’s CompEx-certified in-house consultants. Organisations that store, use or manufacture flammable liquids, flammable gases, combustible powders, combustible dusts, or oxidising agents which may be liquids or gases, may be legally required to undertake a DSEAR risk assessment. These assessments help identify and control potential hazards, safeguarding personnel, assets and business operations while ensuring compliance with statutory obligations.
A dangerous substance is any material used or stored in the workplace that can create a risk of fire or explosion. This includes flammable liquids such as solvents, combustible dusts and powders, oxidising substances, and flammable gases. When these materials form a hazardous atmosphere and encounter an ignition source, they can cause serious harm to people and significant damage to assets.
At Delta Fire Engineering, we deliver comprehensive, bespoke DSEAR risk assessments tailored to your specific operations. Our experienced consultants identify potential hazards, assess explosion and fire risks, and provide clear, practical recommendations to ensure compliance with UK regulations.
We work with a wide range of industries, helping businesses to:
By choosing Delta Fire Engineering, you benefit from expert guidance, industry-leading knowledge, and a proactive approach to fire and explosion safety.
Where a dangerous substance is or is liable to be present at the workplace, the employer shall make a suitable and sufficient assessment of the risks to his employees which arise from that substance. Get in touch today to discuss your requirements and ensure your business remains compliant, safe, and fully protected.

The risk assessment required by Regulation 5 involves identification and careful examination of any dangerous substances present or liable to be present in the workplace and consideration of how fire, explosion and similar events might harm employees and any other people affected by the work concerned. Its purpose is to enable employers to decide what they must do to eliminate or reduce the risks from dangerous substances, so far as reasonably practicable.
Where a dangerous substance is or is liable to be present at the workplace, the employer shall make a suitable and sufficient assessment of the risks to his employees which arise from that substance.
The risk assessment shall include consideration of –
The circumstances of the work including –

Delta Fire Engineering provides CompEx-certified DSEAR consultants to deliver fully bespoke, comprehensive DSEAR risk assessments in the UK. Our in-house specialists ensure consistent quality, expert knowledge, and full accountability from initial consultation through to final reporting.
We work closely with your business to understand your operations, identify risks, and develop practical, compliant solutions. Each DSEAR assessment is tailored to your site and aligned with the Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR), helping you protect employees, visitors, and your wider operations.
Our detailed reports are designed to give you complete clarity and actionable outcomes. Each assessment includes:
Our reports go beyond identification, they provide clear, prioritised recommendations to improve safety and achieve full DSEAR compliance. Each action is assigned a priority level and realistic timescale, enabling you to implement improvements efficiently and demonstrate compliance with UK regulations.
Get in touch today to arrange a DSEAR risk assessment and ensure your business remains compliant, safe, and fully protected. We provide DSEAR risk assessments across the UK, supporting clients in England, Scotland, Wales and Northern Ireland. Our experienced fire engineers and hazardous area specialists deliver consistent, high-quality assessments for a wide range of industries, whether for single sites or multi-location portfolios. With a strong understanding of UK legislation and industry-specific risks, we are well placed to support businesses nationwide in achieving DSEAR compliance and managing fire and explosion risks effectively.
.