Cost To Add A Bathroom And Bedroom Apr 2026

The average cost to add a bedroom and bathroom (typically as a primary suite) is approximately , with most projects ranging between $37,500 and $150,000 . On a per-square-foot basis, expect to pay between $80 and $220 , depending on materials and design complexity. 🏗️ Project Cost Breakdown

Standard bedroom addition: $20,000 – $130,000 (Average: ) Professional Fees : General Contractor : 10% – 25% of total budget Structural Engineer : 1% – 10% of budget Architect/Designer : $2,100 – $14,700 🛠️ Key Cost Factors cost to add a bathroom and bedroom

Bathroom work is significantly more expensive than bedroom construction due to specialized plumbing and electrical requirements. Core Components : Half Bath : $4,200 – $12,000 Full Bath : $10,000 – $50,000 Luxury/Primary Suite Bath : $22,000 – $100,000+ Bedroom Area : The average cost to add a bedroom and