Hot Works Permit-to-Work Template — UK

UK construction-safety guidance by the Riskora Editorial Team

Insurance claims data published by the Fire Protection Association consistently lists hot works as one of the top three single causes of large commercial fire losses in the UK — and the underwriter's first question after any such fire is whether a properly issued permit was in force at the time. A hot works permit is not a regulatory requirement under a single named regulation; it is the document that demonstrates the employer has discharged Regulatory Reform (Fire Safety) Order 2005 Article 9 (risk assessment), Article 11 (fire safety arrangements) and CDM 2015 duties for the activity. Insurers' policy wordings (RISCAuthority RC7 'Recommendations for Hot Work', FPA Standard 27) make a properly issued permit a condition of cover. This page sets out a UK hot works permit that satisfies the insurer, the principal contractor and the building operator.

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Example Permit to Work

Hot Works Permit-to-Work Template — UK

  • Permit number, date, exact location (building / level / room), description of the hot work activity and the equipment used
  • Operative names and competence (CCNSG, IPAF, NICEIC, BS EN ISO 9606 welder qualification, in-date CSCS card for site work)
  • Pre-work inspection: combustibles cleared from a 10 m radius (or 15 m for torch-on roofing per RC7), non-movable combustibles covered with fire-retardant blankets, openings in floors / walls / ducts sealed against spark travel
  • Adjacent compartment check: spaces on the other side of walls / floors / ceilings inspected for hidden combustibles, services and voids; thermal imaging where structure is suspect
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When This Document Is Required

Required for any activity using open flame, sparks or significant heat where ignition of nearby combustibles is foreseeable — including welding, oxy-fuel cutting, brazing, soldering, grinding with abrasive wheels, bitumen-boiler / torch-applied roofing, blow-torches, and even some hot-air gun applications above defined fuel loads. The permit must be in force for the entire duration of the work and for the post-work fire watch. RISCAuthority RC7 / FPA Standard 27 set the insurance industry expectation; many commercial property insurers void cover for fire damage where work was carried out without a compliant permit. On a CDM 2015 site the permit is issued by the principal contractor's nominated permit issuer; in occupied premises (retail, healthcare, listed buildings) the building operator is typically the issuing authority.

What Must Be Included

  • Permit number, date, exact location (building / level / room), description of the hot work activity and the equipment used
  • Operative names and competence (CCNSG, IPAF, NICEIC, BS EN ISO 9606 welder qualification, in-date CSCS card for site work)
  • Pre-work inspection: combustibles cleared from a 10 m radius (or 15 m for torch-on roofing per RC7), non-movable combustibles covered with fire-retardant blankets, openings in floors / walls / ducts sealed against spark travel
  • Adjacent compartment check: spaces on the other side of walls / floors / ceilings inspected for hidden combustibles, services and voids; thermal imaging where structure is suspect
  • Fire-detection isolation: smoke heads in the immediate area capped or zoned off with permission of the building operator, fire-alarm panel logged, alarm restoration time confirmed
  • Extinguishers on station: minimum 2 × 9 kg CO₂ or appropriate class, water mist / dry powder for incipient roof fire, fire blanket where indicated; charged hose reel preferred for torch-on roofing
  • Designated fire watcher present throughout, trained in extinguisher use, with no other duties; second fire watcher in adjacent compartment where spark travel is foreseeable
  • Gas cylinders: secured upright, flashback arrestors on both fuel and oxygen, hoses checked for damage, no cylinders left in confined / unventilated spaces overnight
  • Post-work fire watch: minimum 60 minutes continuous at the worksite (RC7 / FPA Standard 27), extended to 120 minutes for torch-on roofing, plus periodic checks of adjacent compartments for the rest of the shift
  • Permit sign-off chain: issuer (name, signature, time), operative receipt, fire watch sign-off, end-of-watch all-clear, return to building operator, alarm restoration confirmation
  • Emergency arrangements: site evacuation route, building alarm-raising point, 999 procedure, named first-aider, nearest A&E

Common Mistakes to Avoid

  • Issuing the permit at the start of the shift and not re-validating after a tea break or shift change — the permit lapses and any post-break work is uninsured
  • 60-minute fire watch shortened to 'quick check' because the contractor wants to leave site — claims data shows ignition often develops in the 30–60 minute window after work stops, and an early-departed fire watch is the most-cited claim repudiation
  • Smoke detectors capped at the start of the shift and not reinstated before fire watch ends — fire then spreads undetected because the alarm is still isolated
  • Combustibles 'covered' with non-fire-retardant tarpaulin or polythene — both melt and ignite
  • Torch-on felt roofing with no charged hose reel and no second fire watcher in the loft below — concealed timber rafter ignition is the classic torch-on claim
  • Permit issued by an operative to themselves — the issuer and the receiver must be different competent persons
  • Gas cylinders left in the building overnight — both an insurance breach and a Dangerous Substances and Explosive Atmospheres Regulations 2002 concern

Example Scenario

A roofing contractor in Sheffield is torch-applying SBS modified-bitumen membrane to a 320 m² flat roof above an occupied office. The insurer requires a hot works permit per RC7. Using Riskora, the contracts manager issues a daily permit naming the two operatives (one as fire watcher), confirms a 15 m combustible clearance, supplies a charged 25 m hose reel as the primary suppression, isolates the building smoke detection on the floor below with written agreement from the building manager, sets the post-work fire watch at 120 minutes at the roof plus visual inspection of the suspended ceiling below from inside the office, and locks the gas cylinders into a ground-floor external cage at the end of every shift. The 6-page permit-to-work pack exports in 4 minutes per day, the install runs over five days without incident, and the insurer accepts the closeout pack without query.

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