GSY HOSPITALITY LTD v GLADSTONE COURT DEVELOPMENTS LTD

[2025] EWHC 3231 (TCC), Technology and Construction Court, Mr Roger ter Haar KC, sitting as a Deputy Judge of the High Court, 11 December 2025

Expert determination – Manifest error – No oral modification clause

The claimant sought a declaration that a decision made by way of expert determination contained a manifest error, in so far as it failed to give effect to a no oral modification clause in the contract between the parties, with the consequence that the decision was not binding on the parties.