Mark PowellMark’s vast experience spans the residential, commercial and industrial sectors. He has been involved with many aspects of professional building surveying practice, including building envelope performance and dispute resolution.

This has included giving expert evidence in the High Court and Weathertight Homes Tribunal, and assisting at numerous tribunal and private mediations. He is experienced assisting both claimants and respondents.

Mark puts together, and directs, multi-disciplinary teams to help clients understand building performance issues and how to maximise the life and value of their asset. This includes building surveyors, asbestos assessors, project managers, quantity surveyors, architects and passive fire specialists. He also harnesses his relationships with other service professionals, such as structural and services engineers, to deliver projects.

Mark’s role also involves developing our staff, sharing his knowledge and equipping them with the skills and experience they need to meet or exceed client needs. This ensures high-performing teams are assembled to assist with any aspect of building condition assessment, defect diagnosis, project management, design or expert witness work.

Mark has an interest in elevating the bar in terms of quality of service in our industry. He can provide strategic advice to clients who either have projects in the pipeline or are putting a tender together. Mark helps them to articulate what they want at a technical level in a way prospective providers will understand. This ensures there’s clarity around the scope of projects and consistency in pricing. his involvement helps to prevent misalignment in expectations, ensuring clients get high quality advice and a good level of service.

Mark started his career in the UK construction industry in 1989, working for a consultancy specialising in building weathertightness issues. Since relocating to New Zealand in 2003, he has specialised in building defect diagnosis and analysis, condition surveys, due diligence reporting, building code compliance and expert witness work. This has included projects involving single residential dwellings, multi-unit residential buildings (including terraced townhouse developments and high-rise apartment buildings), commercial, industrial, and school buildings.


  • Diploma in Surveying (College of Estate Management, UK)
  • Fellow of the Royal Institution of Chartered Surveyors (RICS)
  • Accredited Assessor for the Royal Institution of Chartered Surveyors
  • Registered Member of the New Zealand Institute of Building Surveyors (NZIBS)
  • Affiliate Member of the Arbitrators’ and Mediators’ Institute of New Zealand Inc (AMINZ)
  • Member of the Institute of Directors (IoD)
  • BRANZ Accredited Advisor before scheme ended in 2006.