Budget planning tool

Build a budget from your scope and your quotes.

Keep site work, delivery, utilities, fees and contingency beside the shell price. The worksheet makes no market-price claim.

Start from a project study

The project supplies the task context. No prices, quotes or build method are invented. Choosing a study here only previews its identity. The tool below continues to use your current private project until you explicitly replace it.

Project reference

Browse projects to inspect their sources, diagrams and resource limits before adopting an example.

Your quotes and allowances

Enter figures you actually receive.

Empty fields remain unknown. This worksheet does not fill a price gap with a market estimate.

Shell / building

Site prep / foundation

Delivery

Doors / windows

Upgrades

Electrical

Insulation

Permit / fees

Equipment rental

Contingency

One project · coverage and budget

Keep the material scope with this candidate.

Nominal footprint: 120 sq ft. Coverage inputs and waste are saved separately for each candidate; unit rates are shared. Editing here updates Budget and your brief. Blank means unknown, not zero.

Restoring project…

Checking this browser for a saved project…

Edit coverage dimensions, openings and roof factor

floor

Before waste: 120 sq ft

floor waste (%)Example planning assumption

floor unit cost ($ / sq ft)Unknown — enter a value

With waste: 120 sq ft

Material subtotal: Unknown

Net wall

Before waste: 308 sq ft

wall waste (%)Example planning assumption

wall unit cost ($ / sq ft)Unknown — enter a value

With waste: 308 sq ft

Material subtotal: Unknown

roof

Before waste: 134.4 sq ft

roof waste (%)Example planning assumption

roof unit cost ($ / sq ft)Unknown — enter a value

With waste: 134.4 sq ft

Material subtotal: Unknown

Known material subtotal: Unknown.

Only calculable entries are included. This subtotal stays separate from supplier quotes to avoid double counting. It is not a complete project cost, purchase quantity or structural bill of materials.

Review these figures in my brief

Build path comparison

Compare responsibilities before comparing totals.

Swipe the comparison left and right to see every build path.

Scope	DIY	Kit	Prefab	Contractor
Price certainty	You scope and buy	Quote after options	Quote after site/delivery	Quote after scope
Labor	Your responsibility	Your or hired	Usually included - confirm	Defined in contract
Customization	Highest	Limited by kit	Model dependent	Scope dependent
Foundation	Your responsibility	Confirm scope	Confirm scope	Confirm scope
Delivery / assembly	Your responsibility	Confirm scope	Confirm access and setup	Confirm scope
Electrical / interior	Your responsibility	Usually separate	Usually separate	Define in scope
Local approval	Your responsibility	Your responsibility	Your responsibility	Confirm responsibility

Use written product and contractor scopes to replace these prompts. Local approval responsibility must be confirmed for your site.