UK and Ireland
Lift shaft
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Machinery Inherent Defects Insurance

Comprehensive cover for the mechanical and electrical services installed in buildings

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    Modern buildings are becoming increasingly complex, with up to 40% of construction costs relating to the mechanical and electrical services that support them

    These services can be plagued by defects caused by poor design, materials or workmanship, and this can be highly problematic for the owners and occupiers of affected buildings.

    A traditional remedy has been the provision of collateral warranties by contractors. But with insolvencies in the construction and real estate sectors running at over 3,600 a year(1) in England and Wales, and 18% of all corporate insolvencies in Ireland(2), these cannot always be relied upon and can be very difficult and costly to enforce.

    Increasingly, developers, owners, funders, and occupiers are turning to the security and reliability of inherent defects insurances.

    What is machinery inherent defects insurance?

    Machinery inherent defects insurance provides comprehensive cover for the mechanical and electrical services installed in buildings. Available for periods of up to 12 years(3), HSB Machinery Inherent Defects Insurance covers actual or impending damage caused by an inherent defect in insured property that existed prior to practical completion of the building.

    New buildings undergoing construction

    'Shell and core' building refurbishments

    Completed buildings less than two years old

    Energy efficiency retrofits

    Who could benefit from having machinery inherent defects insurance?

    Building developers, owners, funders, and occupiers of the following types of buildings could benefit from having HSB Machinery Inherent Defects Insurance:
    Commercial buildings
    Residential blocks
    Data centres
    Warehouses
    District heating installations
    Energy centres

    What mechanical and electrical services are covered by HSB Machinery Inherent Defects Insurance?

    Installed services covered by HSB Machinery Inherent Defects Insurance include:
     

    • Boilers, space heating, ventilation and air conditioning systems
    • Lifts and escalators
    • Building maintenance units
    • Electrical distribution systems
    • Equipment used for building security and environmental control
    • Electrical and mechanical parts of water pumping, pressurisation and distribution systems

    Additional cover is also available for the loss of rental income suffered as a result of a defect. 

    Typical building mechanical and electrical support services
    Click to enlarge
    HSB hard hat

    Technical audit

    All projects insured on our policy are the subject of a technical audit during construction of the building, carried out by our highly-experienced engineers.

    Designs and specifications are audited, and inspections take place throughout the installation period to ensure that quality is maintained.

    Why consider HSB Machinery Inherent Defects Insurance?

    Our underwriters and engineers have extensive experience in providing covers for plant and equipment in a vast array of applications and are recognised as experts in this field. Drawing on our considerable engineering expertise, we are able to provide tailored insurance products to meet the needs of developers, owners, funders and occupiers of new commercial buildings:
     

    • Policy wordings specifically designed for mechanical and electrical services in new buildings
    • Wordings designed with all interested parties in mind
    • Loss of rent cover available on all policies
    • Extensive expertise in building services technology
    • Access to experienced mechanical and electrical engineers
    • Access to specialist in-house claims handlers, and loss adjusters

    UK-based arm of
    HSB Group

    The equipment breakdown insurance and inspection market leader since 1866.

    Part of
    Munich Re

    A world leader in risk solutions, consistent risk management, and financial stability.

    Rated A++ (Superior) by
    A.M. Best Company

    Financially strong and stable.

    Member of the Institute of
    Customer Service

    Demonstrating our commitment to continually improving customer service performance and professionalism.

    HSB is committed to providing a superior customer experience through our specialist claims service
    HSB Claims Team

    Product documentation

    Frequently asked questions

    Machinery inherent defects insurance provides comprehensive cover for the mechanical and electrical services installed in buildings. HSB Machinery Inherent Defects Insurance, available for periods of up to 12 years(3), covers actual or impending damage caused by an inherent defect in insured property that existed prior to practical completion of the building.

    Building developers, owners, funders, and occupiers of the following types of buildings could benefit from having HSB Machinery Inherent Defects Insurance:
     

    • Commercial buildings
    • Residential blocks
    • Data centres
    • Warehouses
    • District heating installations
    • Energy centres

     

     

    No - we can provide cover within the UK, Republic of Ireland, Isle of Man, and the Channel Islands.
    Our underwriters and engineers have extensive experience in providing covers for plant and equipment in a vast array of applications and are recognised as experts in this field. Drawing on our considerable engineering expertise, we are able to provide tailored insurance products to meet the needs of developers, owners, funders and occupiers of new commercial buildings.
    (1) Number of construction/real estate company insolvencies in England and Wales 2014-2023 | Statistica.com (2) Insolvency and Restructuring Statistics 2023 | Deloitte Ireland (3) Cover is available for up to 12 years following practical completion of the building