Planning | Oct 26, 2025

Why Most Renovation Timelines Are Wrong by 30%

Planning

Inaccurate renovation timelines often result from misestimating various factors such as project complexity, unforeseen structural issues, availability of materials, and contractor scheduling. Contractors frequently base timelines on best-case scenarios without fully accounting for potential delays.

Hidden problems often arise during renovation, including water damage, electrical issues, or asbestos presence, all of which require additional time to resolve and can be discovered long after work begins. Additionally, supply chain disruptions can significantly hinder progress; if specific materials are backordered or delayed, it can extend timelines considerably.

Inadequate communication between homeowners and contractors can also lead to misalignment of expectations, affecting the project’s schedule. Often, contractors manage multiple projects simultaneously, which can lead to scheduling conflicts and further delays.

Moreover, changes in project scope initiated by homeowners frequently occur once renovations are underway. Such alterations typically necessitate adjustments in design and implementation, inevitably pushing out completion dates.

Finally, regulatory or permit delays can also impact timelines. Securing all necessary approvals and inspections is not only time-consuming but unpredictable, further complicating the timeline prediction.

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