If the shophouse (mixed commercial and residential use) is not strata subdivided and is in an area zoned for commercial use, it is not a ‘residential property’ within the meaning of the Residential Property Act.
If the shophouse (mixed commercial and residential use) is not strata subdivided and is in an area zoned ‘residential’ within the meaning of the Residential Property Act, it is a restricted residential property.
Your lawyers will be able to advise you based on the Chief Planner, URA’s reply on the zoning and approved use of the property.