36 · Renovation
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Plan · Tool 36

Renovation budget guardrail

Base works, professional fees, contingency and temporary housing in one budget.

Decision questionIs the works budget complete enough to commit?
Rules reviewed10 Aug 2026NAVARO method basis
02 · Primary answerPasses entered checks

Complete works budget

S$204,800Quoted works plus professional fees, contingency, temporary housing, furniture and appliances.
ContingencyS$19,800
Temporary housingS$18,000
Fees + furnishingS$47,000
Decision shaperelative scale
Base works
S$120,000
Fees
S$12,000
Contingency
S$19,800
Housing
S$18,000
Furnishing
S$35,000
NAVARO read

The budget keeps contingency visible instead of hiding it inside the contractor quote.

03 · Calculation trail

See the number being built.

The line items use the same engine as the primary answer. Negative rows are deductions, not hidden adjustments.

01Base worksS$120,000
02Professional / design feesS$12,000
03ContingencyS$19,800
04Temporary housingS$18,000
05Furniture and appliancesS$35,000
06Complete works budgetS$204,800