Amount in excess of twothirds of basic rent expended in period of two years

Lawful addition

Not more than £100

A sum equal to 15% per annum of excess.

More than £100 but not more than £200

A sum equal to—


15% per annum on the first £100 of excess, and


8% per annum on the remainder.

More than £200

A sum equal to—


15% per annum on the first £100 of excess, and


8% per annum on the second £100, and


6% per annum on the remainder.
