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Construction & Engineering Lead - Ireland

Cathal Brennan

Construction & Engineering Lead - Ireland


Cathal is a dual qualified Quantity Surveyor and Loss Adjuster who specialises in large and complex Construction & Engineering and other technical claims. He has direct costing experience in construction projects, including large scale commercial and residential projects. Cathal graduated with an Honors Degree in 2008 as a Quantity Surveyor. He then worked for a Contractor on residential and commercial projects, where he held the position of Estimator.

In 2014, Cathal relocated to Sydney and joined an adjusting firm as a Construction Specialist, focusing on medium to large scale sized losses in construction and commercial property fields.

In 2015, he then joined an major international loss adjusting firm focusing on major and complex losses in the Construction and Engineering space.

In 2018, Cathal joined McLarens as a Senior Construction and Engineering Adjuster concentrating on large and technical losses gaining invaluable experience across a broad-spectrum of Construction, Power and Energy claims. These involved dealing with complex loss scenarios occurring both during the Construction and Defects Liability Period for a range of Australian and International Insurers. Cathal also handled complex and large claims within the Construction Liability, Professional Indemnity and Contractors Plant & Equipment space. Cathal is involved with Insurance Institure of Ireland (III) and  Chartered Institute of Loss Adjusters. (CILA)

In 2022, Cathal moved back to Ireland and took up the role of Construction and Engineering Lead – Ireland with McLarens.


  • Government Infrastructure: Contract Works & ACOW (AUD 6.5 Million)
  • Construction Liability: Building collapse (AUD 12 Million)
  • Rail Infrastructure Project: Flood damage to Contract Works (AUD 3 Million)
  • Damage to Mechanical & HVAC Equipment during installation (AUD 7 Million)
  • Civil Works: Subsidence of defective road pavements and services (AUD 3.5 Million)
  • Tier 1 Contractor: Failure of basement and retention wall system. CAR and PL (AUD 6 Million)
  • Profession Indemnity: Defective design of drainage system (AUD 2.5 Million)
  • Professional Indemnity: Defective design of hydrostatic basement slab (AUD 3 Million)
  • Damage to Tunnelling Works (AUD 2.5 Million)
  • Flooding of Civil Works (AUD 2 Million)
  • Bushfire damage to Contract Works (AUD 4 Million)
  • Defective Cladding (AUD 2 Million)
  • Defective Piling Works (AUD 3 Million)
  • Manufacturing: Defective aluminium extrusion process (AUD 1 Million)
  • Damage to Data Centres Projects (numerous)

Office Address / Contact Information

29 Sandyford Office Park
Blackthorn Avenue
Sandyford, Dublin 18
Republic of Ireland
Local Time:
Local Date:

Industry Certification

ANZIIF (Senior Assoc.) CIP, Chartered Loss Adjuster, ACLA (Associate)


Chartered Loss Adjuster (ACLA), Diploma of Loss Adjusting (ANZIIF), Bachelors of Science (Hons) - Quantity Surveying

Additional Expertise

Civil / Earth Works, Construction Liability, Contractors All Risks, Natural Resources, Government, Infrastructure, Plant & Equipment, Professional Indemnity, Machinery Breakdown

Adjuster Experience

11 years 2013