As a rule, building is less expensive than building and usually takes less time. This is because adding a second floor requires complex work on the roof and the addition of a staircase. In addition, you may have to adapt your entire house to the ground if the existing one doesn't support the extra weight. It's not unusual for a second floor remodel to take six to 12 months to complete.
Is it cheaper to extend out or up?
As a rule, building is less expensive than building and usually takes less time. This is because adding a second floor requires complex work on the roof and the addition of a staircase.
