How Long Does a Home Renovation Actually Take? (A Realistic Timeline)

Design is the phase most people underestimate and the one that most directly determines how the construction phase goes. A small bathroom refresh with no layout changes and stock materials might take four to six weeks in design — selections are limited and decisions come quickly. A kitchen remodel with layout changes, custom cabinetry, and a structural wall removal needs eight to twelve weeks in design to do properly: design drawings, structural engineering if required, material selections, cabinet drawings and lead time confirmation, permit document preparation. Complex additions involving new foundations or significant structural work take longer. The design phase is not overhead — it's the work that prevents expensive surprises in construction.

Permitting in Denver averages four to eight weeks for standard kitchen and bathroom projects that don't involve additions or structural changes. Room additions, ADUs, and projects involving structural work run eight to sixteen weeks for permit approval — and sometimes longer if the project triggers a planning review or variance. The permitting timeline is not negotiable and is not something a good GC will try to shortcut. A contractor who suggests starting demolition before the permit is issued is passing the legal risk to you and creating inspection complications that will cost more to resolve than they saved in schedule.

Material lead times in 2026 are better than the crisis years of 2021 and 2022 but are not back to pre-pandemic norms. Custom cabinet orders run six to fourteen weeks depending on manufacturer and complexity — stock cabinets are faster but limit your options. Quartz countertops template after cabinets are installed and arrive three to six weeks after template. Windows are eight to sixteen weeks for custom sizes. Specialty tile or materials sourced through a designer can run longer. The sequence implication: you need to order long-lead items during design and permitting, not after demolition starts, or you will find yourself sitting on a gutted kitchen waiting for cabinets for six weeks.

Construction sequence is not negotiable and violations of it create expensive rework. The correct order for most remodels is: selective demolition, rough-in work (plumbing, electrical, HVAC rough-in), rough inspection by the city inspector, insulation, drywall, finish carpentry, flooring, cabinets and countertops, plumbing fixtures and trim, electrical trim (outlets, switches, fixtures), final fixtures and hardware, final inspection, punch list. Skipping or reordering steps — installing drywall before rough-in inspection, setting tile before rough plumbing is inspected — creates situations where you have to cut into finished work to pass inspection. This adds cost and time to every project where it happens.

Typical calendar timelines for common project types, assuming no major undiscovered conditions: a standard bathroom remodel runs three to six weeks of active construction. A kitchen remodel (no structural changes) runs six to ten weeks. A kitchen remodel with structural work (wall removal, sub-floor work) runs eight to twelve weeks. A room addition of modest scope runs three to five months from permit issuance to certificate of occupancy. A whole-house renovation ranges from six months to eighteen months depending on scope and size. These timelines assume continuous active work — projects where the crew is on site every workday, materials are staged and ready, and inspections are scheduled promptly.

The disruption reality of a kitchen renovation is worth stating plainly because it's easy to underestimate until you're living it. You will not have a functioning kitchen for six to twelve weeks. Coffee makers plugged into extension cords, a camping stove on the back porch, a lot of takeout. Some families set up a temporary kitchen in the dining room — a folding table, a microwave, a toaster oven, a mini-fridge. That works reasonably well. What doesn't work well is expecting to function normally in a kitchen that has been gutted to the studs. Plan for it before the project starts, not after.

The most common cause of schedule delays in remodeling — more common than permit timing, material delays, or crew availability — is undiscovered conditions behind walls. Old galvanized plumbing that needs replacement when discovered during rough-in. Knob-and-tube wiring that can't be covered with insulation without full replacement. Asbestos-containing materials in older homes requiring abatement. Rot or pest damage behind exterior walls. Structural issues revealed when a wall assumed to be non-load-bearing turns out to have been carrying load. Budget 10–15% contingency for this category. Not every project hits it. Enough do that the contingency pays for itself.