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  • Writer's pictureMy Project Estimating Ltd

Construction Estimating: DIY vs. Hiring a Professional Service.


My Project Estimating Construction Estimating Service

When it comes to construction estimating, whether to do it in-house or outsource to a specialised service depends on various factors and the specific needs of the project.

Here are some pros and cons to consider for each approach:

DIY Construction Estimating:


  1. Cost Savings: Performing construction estimating in-house can be more cost-effective, as you won't have to pay external service fees.

  2. Familiarity with the Project: In-house estimators are likely to have a deep understanding of the company's processes, past projects, and preferences, which can lead to more accurate estimates.

  3. Control and Flexibility: By handling estimating internally, you have more control over the process and can quickly adapt to any changes in the project scope or requirements.

  4. Confidentiality: Sensitive project information stays within the company, reducing the risk of data breaches or leaks.


  1. Expertise and Training: DIY estimating requires a team with the necessary expertise, training, and knowledge of construction costs, which might not be readily available or require additional investment.

  2. Time-Consuming: Estimating can be time-intensive, taking valuable resources away from other essential tasks.

  3. Limited External Perspective: Internal estimators may have biases or blind spots that could affect the accuracy of the estimates.

Hiring a Professional Service:


  1. Expertise and Specialisation: Specialised construction estimating services have the required expertise and experience in providing accurate and detailed estimates, potentially leading to more precise project cost forecasts.

  2. Time Savings: By outsourcing the task, your team can focus on core competencies and strategic decision-making, saving time and resources.

  3. Access to Advanced Tools and Technology: Professional estimators often have access to specialised software and databases, which can enhance the accuracy of estimates.

  4. Scalability: When working with a service, you can scale the estimation process according to your project's needs, without the need for hiring or training additional staff.


  1. Cost: Hiring a professional service comes with a price, and depending on the scope and scale of the project, these fees can be substantial.

  2. Communication Challenges: External estimators may not fully understand your company's unique requirements and preferences, leading to potential miscommunications.

  3. Data Privacy Concerns: Sharing sensitive project information with an external party may raise concerns about data security and confidentiality.

  4. Dependency: Relying on an external service means your team might have limited control over the estimating process and its timeline.

Ultimately, the decision to perform construction estimating in-house or hire a specialised service depends on factors such as project complexity, budget constraints, time sensitivity, and the availability of in-house expertise. Some companies may find it beneficial to strike a balance by using internal estimators for smaller projects and outsourcing for more complex or large-scale endeavors. Whichever option you choose, clear communication, and understanding of project requirements are crucial to obtaining accurate and reliable estimates.

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