All toolsCalculatorsSustainabilityLifecycle Cost / NPV / Payback
Lifecycle Cost / NPV / Payback
Whole-life NPV, life-cycle cost and discounted payback for an investment (BS ISO 15686-5).
The Ensign ToolboxLifecycle Cost / NPV / PaybackWhole-life NPV, life-cycle cost and discounted payback for an investment (BS ISO 15686-5).
Investment
£
Initial acquisition cost at year 0 (not discounted)
£/yr
Real terms (inflation excluded). 0 for a pure cost comparison
£/yr
Operating / maintenance, real terms
Appraisal
%/yr
Green Book STPR 3.5% (yrs 1–30); 0 = undiscounted
yr
Analysis period N in whole years
Enter the capital cost to appraise the investment