What Is Marine Equipment Insurance? – UK Guide

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A complete UK guide to Marine Equipment Insurance - covering vessels, floating plant, marine construction equipment, dredging machinery, piling rigs, cranes, and all specialist assets used on or near water.

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WHAT IS MARINE EQUIPMENT INSURANCE?

Marine Equipment Insurance protects vessels, floating plant, construction equipment, dredging machinery, tools, lifting systems and engineering assets used on water, near water, or as part of marine operations. It covers physical damage, breakdown, theft, environmental risks and liability arising from equipment failure.

This insurance is essential for both vessel owners and marine contractors - particularly in sectors such as dredging, coastal engineering, harbour maintenance, piling, offshore services and underwater works.

What Does Marine Equipment Insurance Cover?

Cover applies to equipment onboard vessels, attached to floating platforms, or used in marine engineering operations.


  • Hull & Machinery (H&M)
  • Dredgers, pumps, cutter heads & suction pipes
  • Marine cranes, winches & lifting systems
  • Excavators mounted on pontoons or barges
  • Piling rigs, drilling tools & underwater equipment
  • Workboats, barges, pontoons & floating platforms
  • Electrical & hydraulic systems
  • Breakdown of engines, motors & propulsion units
  • Damage from submerged objects & debris
  • Towage, transport & launching risks
  • Salvage & recovery costs
  • Theft (on water or in compounds)

Who Needs Marine Equipment Insurance?

Marine Contractors


  • Dredging & reclamation contractors
  • Coastal engineering firms
  • Marine piling & foundation contractors
  • Cable-laying & underwater works teams
  • Harbour & port maintenance firms

Vessel Owners & Operators


  • Workboats & utility vessels
  • Tugs & harbour craft
  • Crew & service vessels
  • Survey & support vessels
  • Barges, pontoons & floating plant

Why Marine Equipment Insurance Is Essential


  • Equipment failures can halt marine operations
  • Repairing marine machinery is extremely costly
  • Vessel operations face severe environmental risk
  • Floating plant is exposed to collision & water ingress
  • Hydraulic & fuel leaks create pollution liability
  • UK ports impose strict environmental requirements
  • Dredging & piling carry high sediment disruption risk
  • Specialist equipment often requires custom parts
  • Machinery breakdown can lead to contract delays

FREQUENTLY ASKED QUESTIONS

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Does Marine Equipment Insurance cover breakdown?

Yes - engineering breakdown cover protects motors, hydraulics, electronics, propulsion systems, cranes, winches and other equipment.

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Can equipment be insured during transport or towage?

Yes - transit, loading, unloading and towage risks can be included depending on the policy.

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Does the policy include pollution or environmental risk?

Pollution, environmental damage, sediment disruption and clean-up costs can be fully covered under specialist extensions.

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Is theft of equipment covered while on water?

Yes - theft cover applies on vessels, barges, pontoons, marine compounds and work sites.

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Does this cover equipment hired from or loaned to others?

Yes - many policies include hired-in and hired-out equipment cover for contractors working with third parties.

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