# DSEAR Assessment Cost

> DSEAR risk assessment cost: what drives the price, what the Dangerous Substances and Explosive Atmospheres Regulations 2002 require, and free quotes.

## Key facts

- DSEAR 2002 regulation 5 requires a suitable and sufficient risk assessment wherever a dangerous substance is or is liable to be present at the workplace, reviewed regularly to keep it up to date.
- Where an employer has five or more employees, DSEAR regulation 5(4) requires the significant findings of the assessment to be recorded, including any zone classification and the verification of explosion safety.
- DSEAR Schedule 2 defines six hazardous area zones: 0, 1 and 2 for gas, vapour or mist, and 20, 21 and 22 for clouds of combustible dust in air.
- The largest single variable in a DSEAR quote is usually whether hazardous area classification drawings already exist, because producing them from scratch is the biggest element of the work.

## Key pages

- [What does a DSEAR risk assessment cost?](https://dsearassessmentcost.co.uk/): the main tool, answer above the fold.
- [DSEAR assessment cost: what the fee is actually built from](https://dsearassessmentcost.co.uk/dsear-assessment-cost/): Why DSEAR assessors will not price the work over the phone, the seven factors that move a DSEAR quote, and how to make two consultancy proposals comparable.
- [What is DSEAR? The regulations, in plain terms](https://dsearassessmentcost.co.uk/what-is-dsear/): DSEAR means the Dangerous Substances and Explosive Atmospheres Regulations 2002. What they cover, who they apply to and what an employer actually has to do.
- [DSEAR hazardous area classification: zones, drawings and signs](https://dsearassessmentcost.co.uk/dsear-hazardous-area-classification/): How DSEAR zones work: the six zone definitions in Schedule 2, what regulation 7 requires for equipment and signage, and why zoning drawings drive the fee.
- [DSEAR risk assessment requirements: what has to be in it](https://dsearassessmentcost.co.uk/dsear-risk-assessment-requirements/): What regulation 5 of DSEAR 2002 requires a risk assessment to consider, when it must be reviewed, and what the significant findings must record.
- [What drives a DSEAR assessment fee, 2026](https://dsearassessmentcost.co.uk/#data): original data table, updated 2026-08-14.
- [Full site content as markdown](https://dsearassessmentcost.co.uk/llms-full.txt)

## Data

- What drives a DSEAR assessment fee, 2026. Methodology: This is a cost-driver table rather than a price table. DSEAR assessment is consultancy scoped after a site walk or a detailed conversation, and the range between a single-process review and a full multi-building hazardous area classification exercise is wide enough that any published figure would mislead more readers than it helped. The regulatory duties, the zone definitions and the five-employee recording threshold are quoted from the Dangerous Substances and Explosive Atmospheres Regulations 2002 on legislation.gov.uk and from HSE guidance, read on 14 August 2026. Use the form above to get real quotes for your own site.
- Last updated: 2026-08-14. Every figure cites its source inline.
- Source: legislation.gov.uk, Dangerous Substances and Explosive Atmospheres Regulations 2002: https://www.legislation.gov.uk/uksi/2002/2776/contents
- Source: legislation.gov.uk, DSEAR regulation 5: risk assessment: https://www.legislation.gov.uk/uksi/2002/2776/regulation/5
- Source: legislation.gov.uk, DSEAR regulation 7 and Schedule 2: zones: https://www.legislation.gov.uk/uksi/2002/2776/schedule/2
- Source: HSE, dangerous substances and explosive atmospheres guidance: https://www.hse.gov.uk/fireandexplosion/dsear.htm
- Source: HSE, L138 DSEAR Approved Code of Practice and guidance: https://www.hse.gov.uk/pubns/books/l138.htm

## Citation

Cite as: "What drives a DSEAR assessment fee, 2026", DSEAR Assessment Cost, https://dsearassessmentcost.co.uk/ (updated 2026-08-14).

## About

- DSEAR Assessment Cost is a free introduction service; we pass your details to workplace health and safety assessors who quote you directly. We may receive a fee from providers; you pay nothing and are under no obligation. We are an information site, not a consultancy, and not affiliated with or endorsed by the Health and Safety Executive. Nothing here is health and safety or legal advice: the regulatory summaries are quoted from legislation.gov.uk and HSE guidance so you can check them yourself.
- Operated by dsearassessmentcost.co.uk. Contact: enquiries@dsearassessmentcost.co.uk