Duncan joined GTH in April 2003 having previously been a Director of a well known Westminster based firm in Central London and has 23 years' experience dealing with commercial property. He specialises in the acquisition and disposal of all types of commercial property including shops, offices, industrial premises, development sites and investments. He also has considerable experience in landlord & tenant negotiations, including rent reviews and lease renewals, and has acted as an Expert Witness in numerous arbitration, independent expert, mediation, tribunal and court referrals. In addition to this Duncan heads up the Valuation, Survey and Energy Assessments Departments.