Guide Overview of Business Rates Show all parts of this guide How Business Rates are calculated What are Business Rates and when are bills sent? Pubs and licensed trade Working from home Self-catering and holiday let accommodation Rates reliefs and reductions Changes to businesses and premises Revaluation 8. Revaluation The last revaluation was in 2017. Rateable values have normally been assessed every five years to reflect changes in the property market. However the next revaluation will be in 2023.