The proliferation of million-dollar flats in the past decade is nothing short of incredible. Keep in mind that the first million-dollar flat, at Mei Ling Street in Queenstown, was only in 2012; and it was an eye-opener at the time. Today, there were around 259 such transactions in 2021 alone; and the latest Tiong Bahru View sold for $1.158 million ($158,000 Cash Over Valuation). But what is probably the most shocking part of this particular transaction is that this is a 4-room HDB flat, not even a 5-room. And so just like what we saw with the 5-room HDB flats that were creeping towards the $1 million mark, it’s good to track these as there will be effects on the rest of the pricing in the neighbourhood. So for the road ahead, here are the 4-room HDB developments that have already hit $900,000, and may soon join the million-dollar flat club:...