Those who renounce their citizenship or Permanent Residency are to sell their restricted residential properties in
two years.
See article :
http://news.xin.msn.com/en/singapore...mentid=5393134
http://www.sla.gov.sg/htm/ser/ser0306.htm#a
What is restricted residential property under the Residential Property Act?
A foreign person cannot acquire or purchase restricted residential property unless he obtains the prior approval of the Minister for Law. Such property includes:
a. vacant residential land
b. landed property [i.e detached house, semi-detached house, terrace house (including linked house or townhouse)]; and
c. landed property in strata developments which are not approved condominium developments under the Planning Act.