Embarking on the journey of building your dream home is a thrilling prospect, but it often comes with the complex decision of choosing between cost plus and fixed price contracts, each offering its own set of advantages and disadvantages. The path you take can significantly impact your budget, control over the project, and your overall building experience. In this comprehensive guide, we will explore the intricacies of cost plus and fixed price home building approaches, weighing the pros and cons of each. Moreover, we’ll delve into the invaluable pre-construction phase, a critical step that can help you mitigate risks, manage costs, and maintain control over your custom home project, particularly when combined with the cost plus contract. So, let’s embark on this journey together, where informed choices will be your compass to turning your dream home into a beautiful reality. 

Green front door at custom home in Parkland Beach, Alberta

Cost Plus Home Building Pros and Cons

Pros: 

  1. Transparency: Cost plus contracts offer complete transparency when it comes to expenses. Clients are privy to the actual cost of materials, labor, and subcontractor fees. This transparency can help build trust between the homeowner and the builder. 
  2. Flexibility: Cost plus contracts provide flexibility in design changes. If you decide to upgrade materials or make alterations to the initial plans during construction, the cost is clear, and you can make informed decisions. 
  3. Quality Control: Homeowners have more control over the quality of materials and workmanship, as they can choose to invest more in certain aspects of the project while saving on others. 

Cons: 

  1. Budget Uncertainty: The biggest drawback of cost plus contracts is the potential for budget overruns. Since the final cost isn’t known until the project is complete, there’s a risk of exceeding your initial budget. 
  2. Lack of Incentive to Save: Some builders might not have a strong incentive to keep costs low since they are guaranteed a percentage of the total expenses. 

custom green bathroom

Fixed Price Home Building Pros and Cons

Pros: 

  1. Budget Certainty: Fixed price contracts provide homeowners with a clear, predetermined cost for the entire project. This can be reassuring for those who want to stick to a strict budget. 
  2. Reduced Risk: Since the cost is fixed, homeowners are shielded from unexpected cost increases during construction. 

Cons: 

  1. Limited Flexibility: Fixed price contracts often come with limited flexibility when it comes to design changes or upgrades. Any alterations can lead to additional charges, which may deter homeowners from making desired improvements. 
  2. Hidden Costs: Builders may build in a buffer to account for unforeseen expenses, potentially resulting in higher upfront costs. 

Custom green bathroom

The Value of a Pre-Construction Phase

Before diving into either a cost plus or fixed price contract, homeowners should consider the value of a pre-construction phase. This preliminary step involves detailed planning, budgeting, and material selection. Here’s why it’s essential: 

  1. Risk Mitigation: The pre-construction phase allows homeowners and builders to thoroughly evaluate the project’s scope, identify potential challenges, and develop solutions before construction begins. This proactive approach can significantly reduce the risk of costly surprises later on. 
  2. Budget Control: During the planning phase, you and your builder can work together to establish a realistic budget based on your priorities and preferences. This collaborative effort ensures that your financial expectations align with the project’s scope. 
  3. Material and Design Selection: By taking the time to carefully select materials and finalize design elements during the pre-construction phase, you can make informed choices that fit your budget and vision. 
  4. Client Involvement: Homeowners have a more active role in decision-making during the pre-construction phase. This level of involvement empowers you to create a home that truly reflects your style and needs. 

office in custom home

Cost Plus with Pre-Construction Planning

Combining cost plus contracts with a thorough pre-construction phase offers the best of both worlds. Here’s how: 

  1. Certainty and Control: The pre-construction phase establishes a clear roadmap and budget, minimizing the risk of budget overruns. With cost plus, you maintain control over design decisions and material selections while knowing the exact costs. 
  2. Flexibility: If you decide to make changes or upgrades during construction, you can do so with transparency, as the costs are documented. This flexibility allows you to adapt as your vision evolves. 

green door in foyer at custom house

How Do You Choose? 

In conclusion, the choice between cost plus and fixed price home building contracts ultimately depends on your priorities and risk tolerance. However, combining a well-executed pre-construction phase with a cost plus contract can provide a high degree of certainty, transparency, and control throughout the custom home-building process. By investing time in planning and working closely with your builder, you can turn your dream home into a reality without the fear of unexpected surprises along the way.