Average Costs of Building Interior Walls
The cost to build a wall averages $1,786, ranging from $939 to $2,690. A more complex project can cost up to $8,000. The average range is $2,500 to $6,500.
Drywall installation averages $2 per square foot. Adding materials and labor, drywall panels cost $60 to $90 each. An average 12 by 12 foot room needs 18 panels, costing $1,000 to $1,600 total. Wall framing averages $7 to $16 per square foot including labor, plates, and studs.
Half walls cost $10 to $20 per square foot on average. You can frame a wall over drywall if you build a solid frame and connect it well. Once installed, existing drywall won’t be “crushed” by the frame.
Average Costs of Specific Wall Types
The cost to build a wall is $25 to $64 per linear foot or $1,000 to $5,000 total on average, including framing and drywall.
A sheet of drywall can cost anywhere from $9 to $15, depending on the size and the installation per sq. foot is about $1.50.
Building a new wall will cost $2,004 on average, with a typical range of $970 and $3,092.
Brick is a good option for people looking to build a classic and decorative fence or wall. On average, a new brick wall or fence costs $5,000.
Tips for Cost-Effective Wall Building
The cheapest way to build an interior wall is with plywood.
Legal Considerations for Building Walls
You don’t need planning permission in the UK to erect an internal partition. However, building regulations covering ventilation, fire safety, and drainage still apply. Standard interior wall thickness with 2×4 studs is 4-1/2 inches including 1/2 inch drywall on both sides.
Additional Wall Building Information
Framing an interior wall takes 2 to 6 hours depending on the wall size and job complexity. Blocking is required for walls higher than 10 feet to prevent bending or buckling.