The average cost of installing attic ladders or stairs ranges from $220 to $647, with an average rate of $445 including parts and labor. Labor charges for a professional contractor average $240 per project, with an hourly rate of $60. Materials include an attic door kit and finishing supplies such as trim and paint.Click to see full answer. In this manner, how much does it cost to put stairs in an attic?Depending on materials and finishing touches, such as newel posts and hardware, costs can range from $500 to $3,000. Spiral staircases take up the least area but are typically more expensive. Prices for a wood or metal-wood staircase kit ranges from $2,000 to $6,000; installation ranges from $600 to $1,200.Similarly, does Home Depot install attic ladder? Attic Ladder Installation – The Home Depot. Keeping this in view, how much does it cost to put in a loft hatch? Average loft hatch installation quotes Job Description Duration Material Cost 2 section aluminium ladder fitted into an existing hatch 2-3 hours £120 2 section aluminium ladder & hatch installation 1 day £350 Folding timber loft ladder and new hatch 2-3 hours £150 3 Section Aluminium loft ladder using existing hatch 3 hours £150 How much does Lowes charge to install attic stairs? Cost to Install Attic Ladder or Stairs The average cost of installing attic ladders or stairs ranges from $220 to $647, with an average rate of $445 including parts and labor. Labor charges for a professional contractor average $240 per project, with an hourly rate of $60.