Henry has advised both acquiring authorities and affected parties in relation to the use of compulsory purchase and compensation on regeneration, transportation and utility projects for over 25 years.

He has, historically, provided advice in respect of enabling works for Heathrow Terminal 5, the Olympic Park as well as for regeneration schemes including in Northamptonshire.  He is currently advising in relation to land acquisition and compensation issues on schemes including the A6 to Manchester Airport Relief Road, Congleton Bypass, expansion at Bristol Airport and regeneration in Thurrock, as well as advising claimants on schemes throughout the United Kingdom

He has appeared as an expert witness at numerous CPO inquiries as well as in respect of a number of Upper Tribunal references.

Henry has been on the CPA board since 2013, was treasurer 2016-2022 and has been chair February 2022 - October 2023.