The typical cost per square metre for constructing an extension or conservatory is around Â£1,500 to Â£2,000 on average; another reason why a garage conversion is one of the most popular options for many people.he typical cost per square metre for constructing an extension or conservatory is around Â£1,500 to Â£2,000 on average; another reason why a garage conversion is one of the most popular options for many people.
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The City of Wilsonville had a population of 22,653 as of July 1, 2017. Wilsonville ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Oregon. See peer rankings below. The primary coordinate point for Wilsonville is located at latitude 45.3113 and longitude -122.7709 in Clackamas County. The formal boundaries for the City of Wilsonville (see map below) encompass a land area of 7.2 sq. miles and a water area of 0.21 sq. miles.