Whole-House & Cost/sqft
The "how much to renovate a house" tools: whole-house renovation cost, gut / down-to-studs cost, a renovation cost-per-square-foot normalizer, and a room-by-room budget roll-up with contingency. Whole-house work needs licensed pros and permits.
Planning estimate: this is a planning estimate from the numbers you enter and standard reference quantities — not a bid or a contract. Get itemized written quotes from licensed contractors and confirm measurements before you commit.
Licensed pros & permits: Structural, electrical, plumbing and gas work must be done by licensed professionals and usually needs a building permit and inspection. Confirm scope, permits and code with your local building department before you start.
Whole-House Renovation CostEstimate a whole-house renovation cost from your floor area and a $/sq ft band you choose — light, mid or full gut — plus any extra room roll-up.Gut Renovation CostEstimate a gut, down-to-studs renovation cost from your floor area and a higher $/sq ft band, plus roof, HVAC, electrical and plumbing add-ons.Renovation Cost per Sq FtTurn any renovation quote or budget into a cost per square foot — total divided by floor area — and convert a $/sq ft band back into a project total.Room-by-Room BudgetRoll up your kitchen, bath, flooring and other room budgets into one whole-house total, then add the contingency buffer percentage you choose.
Whole-House & Cost/sqft guides
How much does a room addition cost per square foot?How to estimate a room addition by area and a per-square-foot figure you enter, why it costs more than finishing existing space, and what add-ons to include.Cost to gut a house per square foot (down to studs)How to estimate a gut renovation by area and a higher per-square-foot band, how it differs from a cosmetic remodel, and how to normalize any quote to $/sq ft.
Every Whole-House & Cost/sqft tool is calculated server-side — visible immediately — with its formula, a worked example and a reference table, and works on the prices you enter. Background reading is in the guides.