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Whole House & Flat Renovation Cost Calculator

Free house renovation cost calculator. Estimate renovation costs per square foot for whole homes, townhouses, and 2BHK/3BHK flats. Computes flooring, interior paint, drywall repairs, baseboard trim, lighting, plumbing, and contingency reserves across Budget, Standard, and Premium quality tiers.

Step 1: Enter Project Dimensions

Shared across all tools

Calculators Flowing Into This Project:

Flooring Cost CalculatorOpen →House Painting & Paint Cost CalculatorOpen →Drywall Sheet CalculatorOpen →Baseboard & Trim CalculatorOpen →Tile Installation Cost & Material CalculatorOpen →
Consolidated Bill of Materials

Estimated Total Material Cost (STANDARD)

$66,000 – $138,000

Covers 1200 sq ft (111.5 m²) project footprint

Flooring

Luxury Vinyl Plank (LVP) / Laminate

1200 sq ft with 10% waste buffer (~$3.5–$8.5/sq ft)

66 boxes$4200 – $10200
Painting

Interior Wall & Ceiling Paint (2 Coats)

~2678 sq ft surface coverage (primer + 2 finish coats)

16 gallons$720 – $1200
Walls & Ceilings

1/2" Drywall Patching & POP Plaster

Wall patching, seam tape, compound, and texture repairs

12 4x8 sheets$216 – $384
Trim & Molding

Baseboard & Door Casing Trim

Perimeter baseboards, door casing, and caulking

315 linear ft$693 – $1733
Kitchen & Bath

Kitchen & Bathroom Fixture Refresh Allowance

Vanities, sinks, faucets, tile backsplash, hardware, and minor plumbing

1 project lot$14400 – $36000
Electrical & Lighting

LED Recessed Lights, Switches & Receptacles

LED wafer pot lights, modern rocker switches, and tamper-resistant outlets

10 zones$4200 – $10800
Trade Labor & Disposal

Licensed General Contractor & Debris Dumpster

Site protection, 20-yard roll-off dumpster, and trades installation labor

1 allowance$16800 – $42000
Contingency Reserve

15% Unforeseen Repair Contingency

Standard 15% safety reserve for hidden structural or plumbing conditions

1 buffer$9900 – $20700

Material estimates only — does not include demolition, permits, contractor labor, or specialty tools. Local building code and freight delivery charges vary.

Whole House & Flat Remodel FAQs

Average renovation costs range from $25 to $60 per square foot for cosmetic updates (fresh paint, new LVP flooring, light fixtures, cabinet refacing), $60 to $130 per square foot for mid-range renovations (new kitchen, updated bathrooms, trim, partial rewiring), and $150 to $250+ per square foot for a complete gut remodel or structural renovation.