Using the figures from the web sites is inaccurate for many reasons including the facts that the web sites are never up to date, also not all properties for sale are listed on web sites anyway.
The information can only be an indication of the market if plotted over a period and is then only an indication.
It is very rare to obtain accurate data for a correct result in housing, either different types of data are joined, the sample figure is too low, the data is massaged to obtain the result that is wanted, then the favorite manner of producing results by taking a sample of say 200 which is then used to produce a computer model which is then given out as a nation wide result
DYOR in your area and believe your own figures from the area that you know and the demographics that you have observed.
