Planning & Budgeting
How to Budget for a Home Renovation in 2026: A Real-World Guide
Most homeowners underbudget by 20-40%. Learn the exact formula contractors use, plus 5 hidden costs that catch people off guard.
January 15, 2026 · 8 min read
Homeowners & renovators
What will your project really cost?
Line-by-line renovation estimates for 14 project types, priced for your state. See where every dollar goes before you call a contractor.
- Free, no sign-up
- All 50 states + DC
- Prices reviewed September 2026
Free renovation cost calculators for every project
Pick a project. Typical ranges use national-average pricing with common defaults; your own choices and state will move them.
- InteriorCost guide →
Typically $24k–$49k
Kitchen remodel - InteriorCost guide →
Typically $12k–$23k
Bathroom remodel - InteriorCost guide →
Typically $6,500–$13k
Walk-in shower - InteriorCost guide →
Typically $33k–$66k
Basement finishing - InteriorCost guide →
Typically $4,000–$7,800
Flooring - AdditionsCost guide →
Typically $73k–$155k
Home addition - AdditionsCost guide →
Typically $26k–$57k
Garage conversion - ExteriorCost guide →
Typically $10k–$21k
Roof replacement - ExteriorCost guide →
Typically $15k–$30k
Siding - ExteriorCost guide →
Typically $5,800–$11k
Windows - SystemsCost guide →
Typically $7,400–$13k
HVAC - OutdoorCost guide →
Typically $10k–$20k
Deck - OutdoorCost guide →
Typically $5,500–$12k
Patio - OutdoorCost guide →
Typically $5,900–$13k
Pergola
Renovation cost guides by project
How much does it cost? Each guide shows typical prices by type, size and scope, and links to the calculator for your own number.
- Kitchen Remodel Cost in 2026The kitchen is the heart of the home and one of the most expensive rooms to remodel.
- Bathroom Remodel Cost in 2026A bathroom remodel is one of the highest-value projects in a home, and one of the most cost-dense per square foot.
- Basement Finishing Cost in 2026Finishing a basement adds living space without changing your home’s footprint.
- Flooring Installation Cost in 2026Material sets the price, but removal, subfloor prep and labor are what surprise people.
- Garage Conversion Cost in 2026Converting a garage is one of the fastest ways to add usable space.
- Home Addition Cost in 2026Adding square footage is one of the biggest investments you can make in a home.
- Roof Replacement Cost in 2026Material is the biggest lever, but pitch, height and the condition of the decking underneath decide how far the number moves.
- Siding Replacement Cost in 2026Siding protects your home from the weather and sets its curb appeal.
- Window Replacement Cost in 2026Frame, glass and installation type each move the price per window.
- HVAC Installation Cost in 2026System type, home size and efficiency set the base price.
- Outdoor Living Cost in 2026Decks, patios and pergolas extend your living space outdoors.
- Deck Cost in 2026Material is the biggest lever on deck cost, followed by size and height.
Line-by-line renovation estimates, adjusted for your state
Most calculators multiply one number by your square footage. Ours prices each part of the job and shows its work.
Line by line
Every line carries its own low and high price.
Priced for your state
Labor swings far more by location than materials do.
Try “what if”
Flip an option and watch only its lines reprice.
See the monthly cost
Turn the range into a payment before you talk to a lender.
Share or print it
Every choice lives in the link, so you can send it to a partner or contractor.
- project calculators
- 14project calculators
- individually priced line items
- 123individually priced line items
- options to compare
- 134options to compare
- state and DC cost indexes
- 51state and DC cost indexes
A renovation cost estimate you can actually reason about
- 01
Describe the job
Pick a project, your state and a few choices, like cabinets, materials or size. Plain-language help sits under every option.
- 02
Watch the number move
Every choice reprices its own line, so you see exactly which decisions cost the most.
- 03
Take it to contractors
Share a link, print the breakdown or email it to yourself, then compare it against real bids.
Renovation planning articles before you hire
Planning & Budgeting
10 Hidden Costs of Home Renovation Nobody Tells You About (2026 Edition)
These surprise costs have blown up thousands of renovation budgets. Learn what they are and how to budget for them before construction starts.
January 10, 2026 · 7 min read
Know your renovation budget before you call a contractor
Free, line-by-line estimates for your state in about two minutes.