It's now gotten more expensive but only a bit and after years of depressed prices. Pandemic has accelerated demand, while reducing BTO supply due to long delays. So, many people flocked to resale market instead, hence the increase.
For the time being they cost about as much as they did in relation to income throughout history. 2023 may see a slowdown in property inflation, while incomes should still go up, so even this small gap that now exists could be closed.