The 18% rate
Gains which when added to taxable income fall in the basic rate tax band (TCGA 1992 s 4).
The 28% rate
Gains which when added to taxable income fall in the higher or additional rate tax band.
The 10% rate: Entrepreneur’s relief
Business assets are generally a share (or interest) in the company or firm you work for.
The rate applies when you dispose of shares in a trading company or partnership. In order to qualify for the relief you must have owned the shares for a least one year before disposing of them.
Entrepreneurs’ relief (cumulative lifetime allowance) £10m