"This is a feature of an insurance policy to protect against any increases in reinstatement costs following a loss during the period of insurance attributed to inflation affecting labour and material costs."
http://www.deacon.co.uk/useful_information/a_guide_to_insura...

Il s'agit d'une extension de la couverture à concurrence de 10% du montant assuré pour faire face aux inévitables augmentations dans les frais de reconstruction (reinstatement costs) après un sinistre.