Some will increase more than others; SFR will grow more than Condos, and remember "location, location, location.
Also, Un-Employment and Climate play a big part.
There has never been a protracted period where Real Estate went down.
In some areas, NEW is not as good an investment as RESALE, the reason is that the Developers over-built the area and a lot of half-built homes just sat there: We have seen this a lot in the last few years.
Most buyers prefer a MATURE neighborhood, where there are a lot of big trees.
The idea of being the first people to live in a house is appealing to some.
You should do what YOU want to do; but think in the LONG TERM with Real Estate.