Hong Kong became a colony of the British Empire in the 1840s. A number of Eastern and Western style buildings were erected in the past 200 years. Buildings and structure of significance that has survived WWII and districts re-development became Declared Monuments and Graded Historic Buildings under the Antiquities and Monuments Ordinance, as managed by the Antiquities and Monuments Office.
Here is a list of Declared Monuments and Graded Historic Buildings reported on Simple. Travel and Show Blog.
Former Canton Railway Clock Tower / Tsim Sha Tsui Clock Tower
Former Kom Tong Hall / Dr Sun Yat-Sen Museum
Former Kowloon British School / Antiquities and Monuments Office
Former Marine Police Headquarters / 1881 Heritage
Former Wan Chai Post Office / Environmental Resource Centre
Former Tai Po Market Railway Station / Hong Kong Railway Museum
Grade I Historic Buildings
No. 72, 72a, 74, 74A Stone Nullah Lane / Blue House
Former Whitfield Barracks Blocks S61 & S62 / Hong Kong Heritage Discovery Centre
Former Whitfield Barracks Kowloon West II Battery / Kowloon West Battery