Turnkey vs Phased Construction: Which Budgeting Approach Is Smarter?
Choosing between turnkey and phased construction depends on your cash flow and management availability. Turnkey contracts offer price certainty and hands-off delivery by transferring all management to a general builder, whereas phased construction allows self-builders to build as they save, dividing the project into structural stages to manage cash flow.
The Benefits of a Turnkey Construction Agreement
Turnkey contracts are highly popular because the general builder assumes all project risks. The builder manages material ordering, schedules subcontractors, handles inspections, and delivers a fully finished house. This convenience comes with a premium markup of 15% to 25%.
The Advantages of Phased Self-Build Operations
Phased building splits the lifecycle into logical milestones (such as: foundation and structure, plastering and MEP, and interior finishes). This strategy is popular in high-inflation markets, allowing self-builders to pause work between phases as they secure funds. Learn how to divide these milestones in our How to Read a BOQ tutorial.
Selecting the Right Approach for Your Project
If you have a busy day job, a turnkey contractor is the safest option. If you want to manage subcontractors and save money on markup fees, start by modeling your project in our online construction wizard.
Frequently Asked Questions (FAQ)
- Does phased construction cost more in the long run?
- Yes. Pausing and restarting site works can lead to material weathering, re-mobilization fees, and price inflation on later phases.
- What is a fixed-price turnkey contract?
- An agreement where the builder agrees to complete the specified scope for a set price, protecting the client from material inflation.
- Can I convert a phased project into a turnkey layout mid-build?
- Yes, but builders will charge a premium to assume responsibility for structural works completed by a previous contractor.