Record any change to the agreed work in writing: what changed, why, the items omitted and added, the cost and the time impact. The revised contract sum updates automatically. Includes signature blocks for contractor, client and consultant. No extra work should start without one.
Preview — filled-in example
Open full screen ↗In the Excel file, blue cells are for your figures. Grey cells are formulas and update automatically.
Prefer not to use a spreadsheet?
Do the same job in one of our free online tools — no formulas to maintain.