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RISK ASSESSMENT3 min read27 May 2026

How Long Does a Fire Risk Assessment Take?

The duration of a fire risk assessment depends on the size and complexity of your premises. We explain what to expect for different property types.

Small Premises (Under 500m²)

For a small office, shop or commercial unit with a straightforward layout and low fire risk, a fire risk assessment typically takes 1–2 hours on site. This includes a walkthrough of all areas, inspection of fire safety equipment, review of existing documentation, and discussion with the responsible person. The written report is usually delivered within 5 working days.

Medium Premises (500m²–2,000m²)

For medium-sized premises — a multi-floor office, a hotel, a school, or a medium-sized warehouse — allow 2–4 hours on site. The assessor will need to inspect all floors, plant rooms, escape routes, and fire safety systems in detail. Complex layouts, multiple occupancies, or high-risk processes may extend this.

Large and Complex Premises

Care homes, large industrial sites, multi-tenanted buildings, and premises with complex fire risks may require a full day or more on site. Where the premises has had significant works or changes since the last assessment, additional time is needed to review documentation and understand the current layout.

What Happens After the Assessment?

The assessor produces a written fire risk assessment report documenting identified hazards, people at risk, existing controls, and any recommended actions. Under PAS 79-1:2020 — the current best practice standard — the report must include a prioritised action plan. FireJet aims to deliver reports within 5 working days of the site visit.

How Often Should It Be Reviewed?

Fire risk assessments should be reviewed annually and after any significant changes to the premises, occupancy, or processes. FireJet provides fire risk assessments across Lancashire, Greater Manchester, Merseyside and Cheshire. Call 0330 043 0646 for a free quote.

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