These planning estimates reflect typical Triangle projects. Additions and porches vary the most, depending on foundation, roofline and finishes.
Raleigh-Durham project cost estimator
Planning estimate
$11,100 – $18,200
Rough planning range only — not a quote. Real bids depend on site conditions, permits, materials and the contractor.
Typical ranges by project
| Project | Common scope | Typical range (estimate) |
|---|---|---|
| Home Additions | Basic room (400 sq ft) | $92,000 – $147,000 |
| With bath or kitchenette (400 sq ft) | $129,000 – $184,000 | |
| Second story / high-end (400 sq ft) | $184,000 – $276,000 | |
| Roofing | Architectural shingle (26 squares) | $11,000 – $18,000 |
| Class 4 impact-resistant (26 squares) | $13,000 – $21,500 | |
| Standing-seam metal (26 squares) | $24,000 – $40,500 | |
| Kitchen Remodeling | Refresh (160 sq ft) | $11,000 – $22,000 |
| Mid-range remodel (160 sq ft) | $29,500 – $51,500 | |
| High-end / layout change (160 sq ft) | $59,000 – $103,000 | |
| Bathroom Remodeling | Refresh (65 sq ft) | $7,000 – $13,000 |
| Full remodel (65 sq ft) | $15,000 – $27,000 | |
| Primary-bath upgrade (65 sq ft) | $30,000 – $51,000 | |
| Porches, Decks & Sunrooms | Pressure-treated (280 sq ft) | $9,000 – $15,500 |
| Composite (280 sq ft) | $14,000 – $24,500 | |
| Premium / elevated (280 sq ft) | $23,000 – $36,000 | |
| Window Replacement | Vinyl (15 windows) | $8,500 – $15,000 |
| Fiberglass / composite (15 windows) | $14,000 – $23,500 | |
| Wood-clad / premium (15 windows) | $19,500 – $34,500 | |
| HVAC | Standard split system | $8,500 – $13,000 |
| Heat pump | $10,000 – $16,500 | |
| High-efficiency variable speed | $14,500 – $24,000 | |
| Exterior Painting | Repaint, minor prep (2,200 sq ft) | $4,000 – $7,000 |
| Full prep (2,200 sq ft) | $6,000 – $10,000 | |
| Elastomeric / heavy repair (2,200 sq ft) | $8,000 – $14,000 | |
| Flooring | Luxury vinyl plank (900 sq ft) | $5,000 – $9,000 |
| Engineered hardwood (900 sq ft) | $8,500 – $14,000 | |
| Porcelain tile (900 sq ft) | $10,000 – $20,500 |
Triangle cost drivers
- Tying a new roofline into the existing roof
- Crawl space vs. slab foundations for additions
- Tree removal and access on wooded lots
- Historic district materials requirements
