10 highest HDB properties: 9A Boon Tiong Road ($1,480,888), 122 Kim Tian Road ($1,280,000), 145 Lorong 2 Toa Payoh ($1,268,888), 445A Clementi Avenue 3 ($1,268,000), 154 Lorong 2 Toa Payoh ($1,218,000), 108B Mcnair Road ($1,200,000), 131A Lorong 1 Toa Payoh ($1,200,000), 8 Boon Keng Road ($1,182,500), 221 Hougang Street 21 ($1,170,000), 257 Bishan Street 22 ($1,168,000).