When you are planning your construction project, it will be good to know how much to allow for your stairs. There is a strong relationship between the total value of a house and the amount spent on the staircase. An average custom staircase costs from 1.5% to 2.5% of the home’s selling price.

The low end of 1.5% represents a basic trim package. The higher end of 2.5% is custom level trim.
Sometimes I see large multi-million dollar homes that are focused on size and not trim quality. In those cases, those homes can still remain at the 1.5% level for the standard trim level. It is possible to spend less than the 1.5% by doing carpenter built stairs and lessening the footage of balustrade, but realize you undervalue your stair compared to what is typical. On the other end of the spectrum a stair can be a work of art and the key feature to the entire home. In those cases may go well beyond the 2.5%.
*All prices were effective in October 2012 and assume custom hardwood stairs with some open balustrade. The more costly stairs also have more open balustrade.

