Construction estimators produce and revise estimates for a project. They are familiar with the design and expenses incurred in the project.

Construction estimation

How do you estimate construction?

10 Steps for Accurate Construction Job Estimation

  1. Get a Precise and Detailed Scope of the Project.
  2. Use Stick Estimating to Gauge Costs.
  3. Become Familiar With Calculating Costs by Hand.
  4. Use Unit Cost Estimating for Speed.
  5. Incorporate Estimating Software Appropriately.
  6. Calculate Costs for Labor and Materials.
  7. Set a Markup to Yield Profits . ( Selling Price – Cost to Produce = Markup )
  8. Be Detailed in Your Labor Costs
  9. Weigh Best and Worst-case Scenarios
  10. Be Clear About Preliminary and Finalized Estimates

What is Construction Estimating?

Estimating is the process of forecasting the total costs to complete a construction project. A good estimate accounts for every single expenditure associated with a project. This means it should include every single item on the plans and in the specs.

What are the 4 types of estimating?

  • Preliminary Estimate.
  • Detailed Estimate.
  • Quantity Estimate.
  • Bid Estimate.


Cost estimation provides the foundation for the planning of a job schedule. The accuracy of an estimate determines whether a job meets its objectives or not. Some of the benefits in cost estimation include:

  1. Accurate Planning: Proper cost estimation enables one to plan the subtasks required to complete a task correctly. You can develop a work breakdown structure more efficiently and ensure your project team adheres to the project timelines.
  2. Increased profit margins: Poor planning and unexpected events make it impossible to finish the job on time and within budget. However, proper estimating helps one account for both expected and unexpected costs, thus protecting profit margins.
  3. Management of resources: With an insight into the tasks and timelines at hand, this can ensure you have the skills to identify resource gaps, hire people as needed and take on projects with confidence.
  4. Better reputation: Proper planning helps a builder finish the projects on time and budget. This fosters stronger relations with the client and wins the builder repeat business.

What are the basic types of cost estimating?

5 Types of Cost Estimates

  • Factor estimating.
  • Parametric estimating.
  • Equipment factored estimating.
  • Lang method.
  • Hand method.
  • Detailed estimating.

What is a Class C estimate?

A class “C” estimate is prepared when a project is at the “Preliminary Design” stage. Preliminary design is when the space program of a project has, for the most part, been developed but additional changes or additions to the program are still being made.

What is class1 estimate?

Class 1 estimates are prepared in great detail, and thus are usually performed on only the most important or critical areas of the project. All items in the estimate are usually unit cost line items based on actual design quantities.