When Dutch legislation on monuments and historic buildings was developed, the discussion was mainly determined by the question whether the importance of preservation of monuments and historic buildings was in proportion to the infringement of an individual owner’s exercise of his property rights such protection would imply. This discussion is still relevant. The legislator’s choice to focus on the owner in the recent modernisation of preservation of monuments and historic buildings is also part of it. This article describes the history of the development of the Monuments and Historic Buildings Act 1961 against the light of this continuing debate on the proportionality of the infringement. The (Royal) Netherlands Archaeological Association (...