So at the moment, water bills are based on the rateable value of your property.
所以目前,水费是根据您财产的应纳税额计算的。
英语百科
Rates (tax)
Rates are a type of property tax system in the United Kingdom, and in places with systems deriving from the British one, the proceeds of which are used to fund local government. Some other countries have taxes with a more or less comparable role, for example France's taxe d'habitation.