The answer to this is different depending upon the location of the home as different markets Value amenities differently. For example, adding a central air unit in Toronto ON may add significant Value, while adding one in a home located in Nunavik NWT would not have much impact. As a general rule, the most Value returned from renovating a home comes from painting and decorating, and according to a survey conducted by the Appraisal Institute of Canada in, painting and decorating returned an average of 73% of the investment – in other words, a $3,000 painting and decorating project would add approximately $2,190 to the Value of the home. Kitchen renovations were second, returning 72%, and bathroom renovations were third with a 68% return.