Attic Conversion Cost Calculator
Attic Conversion Cost
Estimate the cost of converting an attic into livable space including framing, insulation, and finishing
sq ft
Formula
Total = Finishing + Insulation + Electrical + Dormers + Staircase + Bathroom + HVAC + Permits
Frequently Asked Questions
How much does an attic conversion cost?
A basic attic conversion costs $50 to $100 per square foot. Adding a bathroom increases the cost by $8,000 to $15,000. Dormers add $5,000 to $15,000 each.
What are the requirements for an attic conversion?
Most building codes require a minimum ceiling height of 7 feet over at least 50 percent of the floor area, adequate egress windows, and a permanent staircase.