Fat Tat Tong, Declared monument in Ha Wo Hang, North District, Hong Kong.

Fat Tat Tong is a two-storey house of green brick, timber and reinforced concrete, built in 1933. Its pitched roof is laid with Hakka-style overlapping tiles, and both floors have colonnades; the upper flat roof carries a cloud-shaped triangular pediment and urn-shaped finials. Metal Chinese sliding doors and window grilles protect the main entrances and rows of windows.

Li Daohuan, a seventh-generation descendant of the Wo Hang Li clan, worked in Vietnam in the late 19th century before returning to settle in Ha Wo Hang. In 1933 his four sons formed the "Li Daohuan Ancestral Trust" and built Fat Tat Tong. The name means "wealthy mansion." The house was declared a monument on 27 December 2013.

The name Fat Tat Tong means "prosperous mansion". The house was built by the "Li Daohuan Ancestral Trust", formed by Li Daohuan's four sons, and Li's descendants still live there today. The Li clan also built the King Yung Study Hall in Wo Hang, declared a monument in 1991.

Fat Tat Tong is a private residence still occupied by Li Daohuan's descendants, so visits are limited to viewing the exterior; do not enter the grounds uninvited. The house stands in Ha Wo Hang, in the Sha Tau Kok area of Hong Kong's North District, and the surrounding village lanes give a view of the two-storey facade, the colonnades and the roof line.

The metal sliding doors and metal window hoods are fitted to all main entrances and to several rows of windows, not only on the ground floor. They were part of the 1933 design, so security was built in from the start rather than added later.