From the research of research department in physical characteristic of pre-owned townhouse by separate by zone of  TerraBKK, as a result below.

CBD (Central Business District) Storey amount of townhouse that have the most advertising in central business district is four storey townhouse (39%) and three storey (34%). Most four storey townhouses will have 4 bedrooms and 4 bathrooms and three storey townhouses tend to have 3 bedrooms or 4 bedrooms and  3 bathrooms. Urban Storey amount of townhouse that have the most advertising in urban area is three storey (44%) and two storey (38%). Pre-owned three storey townhouse tend to have 4 bedrooms and 3 bathrooms and two storey will have 2 bedrooms and 2 bathrooms. Outer Ring Road (East) Storey amount of townhouse that have the most advertising in Outer Ring Road (East) area is two storey townhouse (71%) and three storey (19%). Pre-owned two storey townhouse tend to have 3 bedrooms and 3 bathrooms and three storey townhouse will have 3 bedrooms and 3 bathrooms. Outer Ring Road (West) Storey amount of townhouse that have the most advertising in Outer RIng Road (West) is two storey (65%) and three storey (29%). Pre-owned two storey townhouse tend to have 3 bedrooms and 2 bathrooms and three storey townhouse will have 3 bedrooms and 3 bathrooms. Suburban Storey amount of townhouse that have the most advertising in suburban area is two storey (91%) and three storey (8%). Pre-owned two storey townhouse tend to have 3 bedrooms and 2 bathrooms and three storey townhouse will have 3 bedrooms and 3 bathrooms.