Change in Housing Form

Redevelopment of Semi-Detached House or Terrace House

With the relaxation of plot sizes for bungalows and semi-detached houses in 1991. The planning authority has received planning applications for redevelopment of existing semi-detached and terrace houses into more units or other housing forms. To optimise land use, these redevelopments are generally allowed if they can satisfy the planning guidelines. House owners making the change are advised to inform their immediate neighbours of their approved plans as early as possible and to seek their cooperation and understanding to minimise inconvenience to both parties.

The conditions for redevelopment are as follows:

From Semi-Detached House to Bungalow or a new pair of Semi-Detached Houses

A semi-detached house with a plot size of 400m² and a plot width of 10m can be developed into a bungalow provided the plot size of the remaining semi-detached unit is capable of being redeveloped into a new bungalow (minimum plot size 400m², width 10m). In areas where semi-detached houses are allowed, the semi-detached house with a plot size of 400m² can be developed into a pair of new semi-detached houses if the plot width is 16m or more provided the plot size of the remaining semi-detached unit is also capable of being redeveloped into a new bungalow (minimum plot size 400m², width 10m) or a new pair of semi-detached units (minimum plot size 400m², width 16m). On redevelopment of one of the semi-detached houses, the remaining semi-detached house can be retained or be redeveloped into a bungalow provided the plot size is large enough and the plot width is not less than 10m.

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From Terrace House to Bungalow or Semi-Detached House

A corner terrace house plot can be redeveloped into a detached or a new pair of semi-detached houses if it can comply with the minimum plot width and size, and provided the adjoining terrace plot has 8m plot width and 200m2 plot size. For intermediate terrace houses built in the past with wide frontage and large plot size, any unit in a row of these houses can be redeveloped to other landed housing forms if the plot size and width are sufficient to allow the change, and provided the adjacent affected unit (from which it is detached) has a minimum plot size of 200m² and width of 8m (i.e. capable of being rebuilt into a corner unit in future). For example, the 2nd unit in a row can detach itself from the 3rd unit and pair up with the last unit to form a pair of semi-detached houses or it can detach from the corner house and itself becomes a corner terrace house.

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From Semi-Detached House to Terrace Houses

In areas not designated for bungalows or semi-detached, joint redevelopment of a pair of semi-detached houses into terrace houses is allowed if it can comply with the minimum plot width and size for terrace houses. The redevelopment of a semi-detached house into terrace houses abutting an existing semi-detached house is not allowed so as not to downgrade the remaining semi-detached unit to a corner terrace house and limit its redevelopment potential.

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Redevelopment of Good Class Bungalow

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(Information extracted from Urban Redevelopment Authority (URA))