Home makeover is popular and makes more sense sometimes than buying a new home. There are a lot of home makeover shows on TV such as “HG TV”. HG TV specializes in making your home improvements fun. These shows are fun to watch in a full of great ideas. Home makeover can be anything from making a new dormer to getting a carpenter to do some interior carpentry work. Since HG TV is a TV show it has many edits in it to make it more consumable and interesting to the viewer. This would be a great show to watch for ideas on this things like ideas on how to make a dormer and how to design a dormer and what you expect from a dormer. But they don't show you the hidden difficulties that might have come up during the making of the show.
After all these home makeover shows are for entertainment purposes first of all because that is what gives them their ratings hence commercials (paying advertisers).
In the real world Mississauga contractors or even smaller Mississauga handyman depending on the size of your project can work with you in real life projects. The shows you saw on home makeover (hgtv) are a good source for ideas and a good place for general knowledge. But like they say there are lots of ways to skin a cat, so if for example they built a dormer that might be their away but that doesn't mean that is the only way and the best way. Since you don't know exactly the most efficient and correct way for building a dormer you don't know whether they did right or wrong and cost effectively.