The estate is 150 acres (607,028 m2) in extent and comprises 75 acres (303,514 m2) of tea. The balance plantation is of rubber, cinnamon and coconut. There is a well equipped tea factory on the property. Most machines were made in the United Kingdom and are over 140 years old. The factory is a living and working museum.
The estate is not a mass producer of tea. Handunugoda makes very small quantities of the choicest teas, winning international recognition. Handunugoda produces the famous 'Virgin White Tea', which has attracted attention from tea enthusiasts all over the world.