Time-series of UK house prices sourced from Nationwide License is not completely clear -- original data has no explicit license. However, small size and publication on internet...

Halifax (now Lloyds) UK house price dataset. Data are seasonally adjusted. To obtain the data: Select "Historic House Price Data" (which opens new window) Data refer to UK...

The S&P/Case-Shiller Home Price Indices are the leading measures for the US residential housing market, tracking changes in the value of residential real estate both...

ReST API (XML or JSON output) of current average house prices for rental and sales per postcode area. Per month. Historical data starts 2007.