如果已經係UK resident,香港賣樓有賺就要俾Capital Gain Tax,除非你proof到賣樓係蝕的話就唔洗。 Capital Gains Tax is a tax on the profit when you sell (or ‘dispose of’) something (an ‘asset’) that’s increased in value.
It’s the gain you make that’s taxed, not the amount of money you receive. https://www.gov.uk/capital-gains-tax