Third Floor Addition

A third floor addition was constructed which had to span over the existing house to eliminate interior supports which would have disrupted the first floor layout.

Third floor addition.

Third floor there was much more engineering required to complete this job than we anticipated. Realistically the cost of a third floor addition can be 50 more than other house addition projects. Adding a third floor to one s home is difficult enough. If you are on a shorter lot and do not want to take up too much of the backyard this is a big plus.

200 000 475 000 sun room or three four season room without heat 250 sq ft 30 000 55 000 if you are planning a complex project such as a two floor addition you will need to hire an architect and budget for his fees. Beyond practical considerations and who best to design and implement them schedules and disruption of daily routines there are neighbours. The third floor is built above the second floor. A third floor renovation does not require you to change the layout of the main floor while a second floor addition requires a main floor extension below it.

The third floor option would eliminate the need to re landscape. In order to support the new floor we had to add two 4 steel columns down to the first floor foundation to support a large new header on the east side of the house. A main floor or second floor addition will often require an excavation for a foundation ultimately leading to landscaping work. Second floor addition with multiple rooms 1 500 sq ft.

These can be as much as 5 7 of the total cost.