Download a free construction estimate template in Google Sheets, Excel, or PDF format, to provide a clear cost breakdown to your client. The following excel sheet can be used to work out the approximate construction cost of your house.The ktr is required to complete the areas marked "Fill Here" in the summary tab. These forms are now found in the Excel Forms Manager plugin, which can be downloaded from the Construction Downloads page. We've compiled a list of free construction cost templates that can be done in Excel or Google Sheets. Get a precise estimate of building costs in Excel with our expert guide. Calculate with ease using our Estimate Of Building In Excel template. Download free construction material takeoff spreadsheets in various formats.