The year to date average sale price for a home in Terwillegar Towne is currently at $449,523 as of November 26, 2013. That is based on a single family detached house in Terwillegar Towne. The highest average selling price on a yearly basis in Terwillegar Towne was in 2007, that was when the neighbourhood reached $520,250. Since 2005, Terwillegar Towne's property values have appreciated by 51%.