Planning guide
Home Renovation Costs: A Room-by-Room Breakdown for 2026
Before you swing a hammer, most homeowners want one number: what will this cost? There is no single answer — costs vary by region, finish level, and how much of the existing structure you keep — but there are reliable ranges. This guide walks through typical 2026 costs room-by-room and shows how to build a budget you can actually stick to.
How renovation costs are built up
Every renovation quote is a stack of the same ingredients: labour, materials, fixtures & appliances, permits & inspections, and a contingency for the surprises that always turn up once walls come open. A useful rule of thumb: labour typically runs 40–55% of the total, materials 30–45%, and fixtures the balance. For older homes, add a 15–20% contingency; for newer builds, 10% is usually enough.
Typical costs by room
The ranges below reflect mid-2026 US averages. Metro areas (Bay Area, NYC, Seattle, Boston) sit at the high end; smaller markets sit closer to the low end.
| Project | Typical range | What's included |
|---|---|---|
| Kitchen — minor refresh | $10,000 – $25,000 | Cabinet refacing, new countertops, backsplash, appliances kept. |
| Kitchen — mid-range remodel | $25,000 – $60,000 | New cabinets, stone counters, mid-range appliances, lighting. |
| Kitchen — full gut / high-end | $60,000 – $150,000+ | Layout changes, custom cabinetry, premium appliances, plumbing moves. |
| Bathroom — cosmetic | $5,000 – $12,000 | Vanity, fixtures, paint, mirror, light replacement. |
| Bathroom — full remodel | $12,000 – $35,000 | New tile, tub or shower, plumbing, vanity, floor. |
| Primary suite bathroom | $35,000 – $80,000+ | Walk-in shower, double vanity, heated floors, layout changes. |
| Living room / bedroom refresh | $3,000 – $10,000 | Paint, flooring, trim, lighting, minor built-ins. |
| Basement finish (per sq ft) | $35 – $95 / sq ft | Framing, insulation, drywall, egress, HVAC, flooring. |
| Whole-home interior repaint | $4,000 – $12,000 | Depends on square footage, ceiling height, and prep required. |
| Flooring replacement (per sq ft) | $4 – $18 / sq ft | LVP at the low end, engineered hardwood and tile at the top. |
| Roof replacement | $8,000 – $25,000 | Asphalt shingle at the low end, metal or tile significantly more. |
| Window replacement (per window) | $500 – $2,000 | Vinyl double-pane cheapest; wood or triple-pane costs more. |
| Home addition (per sq ft) | $200 – $500 / sq ft | Foundation, framing, roof, systems, and finishes all add up. |
| ADU / garage conversion | $60,000 – $200,000 | Depends on plumbing runs, permits, and finish level. |
Kitchens: where budgets go furthest — and fastest
Kitchens are the most-requested renovation and the easiest place to blow a budget. Cabinets alone account for 25–35% of a typical kitchen quote, and choosing custom over semi-custom can double that line item on its own. Keeping the plumbing and appliance layout in place is the single biggest way to save money — moving a gas line, sink, or vent hood can add $2,000–$8,000 each.
Bathrooms: tile and waterproofing drive cost
A full bathroom remodel is essentially a small building project — waterproofing, drainage, ventilation, tile, and multiple trades all in one small room. Tile labour averages $10–$25 per sq ft on top of materials, and a walk-in shower with a linear drain typically runs $4,000–$9,000 before finishes.
Additions and structural changes
Additions carry the highest per-square-foot cost because they include everything a new home has: foundation, framing, roof, insulation, HVAC extension, electrical, plumbing, windows, siding, and interior finish. Expect $200–$500 per sq ft, and confirm what your local permit office requires before you sign any contract.
How to build a realistic budget
- Set a total number first. Decide what you can spend before you look at showrooms. Working backwards from a fixed budget prevents scope creep.
- Break it down by room and by trade. Quotes are easier to compare when they're itemised — labour, materials, fixtures, and permits on separate lines.
- Hold back a contingency. 15% for older homes, 10% for newer. Keep it out of the working budget so it's genuinely available.
- Track quoted vs approved vs paid. Nearly every over-budget renovation got there by treating a quote like a final number, or by losing track of what has actually been paid vs invoiced.
- Record variations as they happen. Every change order — a wider opening, a nicer tile, an extra outlet — is a line-item change. Approve them in writing before the work continues.
Common ways renovations go over budget
- Approving verbal variations, then finding them itemised on the final invoice.
- Paying deposits without a written scope, so scope creeps quietly.
- Missing the "hidden trades" — asbestos, old wiring, uneven subfloor.
- No contingency, so the first surprise blows the plan.
- Losing track of paid vs owed across multiple suppliers.
Frequently asked questions
How much should I set aside as a contingency?
10–15% of the total budget for newer homes, 15–20% for anything pre-1980. Keep it separate from the working budget — treat it as untouched until you actually need it.
Do I really need multiple quotes?
Yes — three is the useful number. It lets you spot outliers on both ends and gives you leverage in the conversation. Compare on scope and inclusions, not just the total.
What's the biggest single money-saver?
Keeping plumbing, gas, and vent locations where they already are. Layout changes drive the biggest surprise costs because they touch multiple trades.
How long should a renovation take?
Bathrooms: 3–5 weeks. Kitchens: 6–10 weeks. Additions: 3–6 months. Whole-home renovations: 4–9 months. Every quote should include a schedule with milestones, not just a start and end date.
Track your renovation budget in one place
My Home Ahead lets you plan areas, capture supplier quotes, approve variations, log payments, and see a live view of what you've committed vs what's still to spend — all in one place, without spreadsheets.
Cost ranges reflect typical 2026 US averages and are provided for planning purposes. Always confirm with local licensed contractors for quotes specific to your project.