A large property is defined as one for which the Rateable Value (RV) as at 1 April 2017 is above £100,000.
A medium property is defined as one for which the RV as at 1 April 2017 is between £20,001 (£28,001 in London) and £100,000.
A small property is defined as one for which the RV as at 1 April 2017 is less than £20,001 (£28,001 in London).
Maximum Annual Increases and Decreases in Rates Payable, excluding Inflation
Maximum Annual Increases, excluding Inflation
| Rate Year | Large | Medium | Small |
| 2022/23 | N/A | 25.00% | 15.00% |
| 2021/22 | 5.00% | 25.00% | 15.00% |
| 2020/21 | 16.00% | 25.00% | 15.00% |
| 2019/20 | 49.00% | 20.00% | 10.00% |
| 2018/19 | 32.00% | 17.50% | 7.50% |
| 2017/18 | 42.00% | 12.50% | 5.00% |
Maximum Annual Decreases, excluding Inflation
| Rate Year | Large | Medium | Small |
| 2021/22 | 4.80% | 25.00% | 55.00% |
| 2020/21 | 5.80% | 25.00% | 55.00% |
| 2019/20 | 5.90% | 20.00% | 35.00% |
| 2018/19 | 4.60% | 15.00% | 30.00% |
| 2017/18 | 4.10% | 10.00% | 20.00% |
