Knowledge Centre · Construction Process

The construction process.

From excavation to handover — the stages of a build, when decisions happen, and what to expect along the way.

Common questions

Construction Process

What are the main stages of building a custom home?

Site preparation and excavation; foundation; framing; lock-up (roof, windows and exterior doors); rough-ins for mechanical, electrical and plumbing; insulation and drywall; interior finishing and millwork; exterior and site works; and final completion, inspection and handover.

What happens during excavation and foundation?

The site is prepared and excavated, footings and foundation walls are formed and poured (or built in insulated concrete forms), waterproofing and drainage are installed, and the foundation is backfilled. Getting drainage and waterproofing right here protects the home for decades.

What do the framing, lock-up and drywall stages involve?

Framing erects the structure — floors, walls and roof. Lock-up adds the roof, windows and exterior doors so the building is weather-tight. After mechanical, electrical and plumbing rough-ins and insulation are inspected, drywall closes the walls and the home moves to finishing.

How long does each phase typically take?

It varies with size, complexity, weather and approvals, but a substantial custom home commonly runs about 12 to 18 months overall, with foundation and framing taking weeks and finishing taking the largest single share. We programme realistic durations and track the critical path.

What inspections take place during construction?

Municipal building inspections occur at defined stages — typically footings and foundation, framing, insulation and vapour barrier, and occupancy or final — alongside our own quality checks and any engineering reviews. Inspections confirm the work meets the Ontario Building Code before it is covered up.

How do site meetings, reporting and updates work?

A construction-managed project runs on regular site coordination and clear reporting — schedule, cost against budget, and decisions needed from you. You stay informed and in control without having to manage the trades yourself.

When do I make my selections and finishes decisions?

Major selections are scheduled to the build so each is confirmed before it is needed — long-lead items such as windows, cabinetry and specialty materials early, finishes nearer their installation. A selections schedule keeps decisions ahead of the trades and protects the program.

How is winter and seasonal construction managed in Ottawa?

With planning. Foundations, heating, hoarding and the sequencing of weather-sensitive work are managed around the season so the build continues safely and on schedule through an Ottawa winter. Good programming turns weather from a risk into a managed factor.

What is the difference between substantial and final completion?

Substantial completion means the home is finished enough to be used for its intended purpose, with only minor items remaining; final completion is when those last items are closed out. Warranty timelines and certain payments key off these defined milestones.

What is a pre-delivery inspection (PDI), and what should I expect at handover?

The PDI is a walk-through before you take possession, where the home is reviewed together and any items are documented for your warranty record. At handover you receive the home, its manuals and warranties, and a clear path for any follow-up items.

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