Margin leak calculator
Quote to install

The margin you quoted vs the margin you made

Enter three numbers you already have. You'll get a range for the margin likely lost each year between quote and install. If you don't track actual job cost yet, a best estimate is fine.

Your numbers

Three inputs

The one assumption

Actual job cost typically runs above quoted cost when stock and labour data aren't visible at quote stage. We use a range for that gap. Change it if you know yours.

Default 4–9% over quoted cost. [CONFIRM source]
Margin likely lost each year
That's on every job, on of quoted work a year.
Quoted margin
Likely margin made
Solid bar is the low case. Striped band is the range.
Talk it through with us
How it's worked out
Quoted revenue a year Quoted cost a year Cost overrun
Margin lost a year