Revit Phasing for Renovation Projects: Existing, Demolished, and New

This is a topic that deserves more attention than it typically receives. Whether you are working with this for the first time or looking to improve your existing approach, the information in this article provides a solid foundation for getting better results.

Understanding Revit Phases

Phasing in Revit allows you to model existing conditions, demolition, and new construction within a single project file. Phase filters control what appears in each view, so you can generate existing conditions plans, demolition plans, and new construction plans from the same model.

The Revit model serves multiple purposes beyond design documentation. Quantity takeoffs, energy analysis, clash detection, and construction sequencing all draw from the same model. This multi-purpose value is the core argument for BIM adoption in architectural and engineering practices.

• Keynotes: Use a centralised keynote table for consistent annotations across all project views and sheets
• Design Options: Explore alternative layouts within the same project file without duplicating the entire model
• View templates: Apply consistent graphic settings across multiple views by defining line weights, patterns, and category visibility in a reusable template
• Phases: Model existing conditions, demolition, and new construction within a single project, using phase filters to control view content

Setting Up Phases for a Renovation Project

View templates control the visual appearance of your documentation. Setting up consistent view templates early in a project ensures that all plans, sections, and details follow the same graphic standards without manual adjustment of each view.

The Revit model serves multiple purposes beyond design documentation. Quantity takeoffs, energy analysis, clash detection, and construction sequencing all draw from the same model. This multi-purpose value is the core argument for BIM adoption in architectural and engineering practices.

Professionals who need this software but want to avoid ongoing subscription fees should note that Autodesk Revit 2023/2024/2025/2026 for Windows is available for CA$69.99/year from GetRenewedTech. This is a perpetual licence that does not expire, providing long-term value.

Assigning Elements to Existing and New Construction Phases

Performance degrades as model complexity increases. Keeping unnecessary detail out of the model, using worksets to control loaded elements, and maintaining model hygiene — deleting unused families, purging unused elements — helps maintain acceptable performance on typical hardware.

Revit’s parametric nature means that changes propagate throughout the model. When you modify a wall height, every view — plans, sections, elevations, and schedules — updates automatically. This is the fundamental advantage of BIM over traditional CAD drafting, but it also means that poorly structured models can become difficult to manage.

View templates control the visual appearance of your documentation. Setting up consistent view templates early in a project ensures that all plans, sections, and details follow the same graphic standards without manual adjustment of each view.

Export options from Revit include DWG for 2D documentation, IFC for cross-platform BIM exchange, and various image and 3D formats for visualisation. Each export format has settings that affect quality and file size, and testing the export before the final delivery is always advisable.

Marking Elements for Demolition

Family creation is perhaps the most powerful and most time-consuming aspect of Revit. A well-built parametric family can represent dozens of product variants through a single definition, while a poorly built one causes problems throughout the project. Investing time in family quality pays dividends later.

Schedules in Revit are live views of the model data, not static tables. When you change a door type in the model, the door schedule updates automatically. This relationship works in both directions — editing values in a schedule modifies the corresponding elements in the model.

Phasing in Revit allows you to model existing conditions, demolition, and new construction within a single project file. Phase filters control what appears in each view, so you can generate existing conditions plans, demolition plans, and new construction plans from the same model.

Export options from Revit include DWG for 2D documentation, IFC for cross-platform BIM exchange, and various image and 3D formats for visualisation. Each export format has settings that affect quality and file size, and testing the export before the final delivery is always advisable.

Professionals who need this software but want to avoid ongoing subscription fees should note that Autodesk Revit 2023/2024/2025/2026 for Windows is available for CA$69.99/year from GetRenewedTech. This is a perpetual licence that does not expire, providing long-term value.

Creating Phase-Specific Views

The Revit model serves multiple purposes beyond design documentation. Quantity takeoffs, energy analysis, clash detection, and construction sequencing all draw from the same model. This multi-purpose value is the core argument for BIM adoption in architectural and engineering practices.

Family creation is perhaps the most powerful and most time-consuming aspect of Revit. A well-built parametric family can represent dozens of product variants through a single definition, while a poorly built one causes problems throughout the project. Investing time in family quality pays dividends later.

Revit’s parametric nature means that changes propagate throughout the model. When you modify a wall height, every view — plans, sections, elevations, and schedules — updates automatically. This is the fundamental advantage of BIM over traditional CAD drafting, but it also means that poorly structured models can become difficult to manage.

Worksets provide a mechanism for dividing a model among team members. In a worksharing environment, each team member works on their own local copy and synchronises changes with the central model. Understanding workset ownership and element borrowing is essential for smooth collaboration.

• Design Options: Explore alternative layouts within the same project file without duplicating the entire model
• View templates: Apply consistent graphic settings across multiple views by defining line weights, patterns, and category visibility in a reusable template
• Keynotes: Use a centralised keynote table for consistent annotations across all project views and sheets
• Phases: Model existing conditions, demolition, and new construction within a single project, using phase filters to control view content

Using Phase Filters to Control Graphic Display

Schedules in Revit are live views of the model data, not static tables. When you change a door type in the model, the door schedule updates automatically. This relationship works in both directions — editing values in a schedule modifies the corresponding elements in the model.

Linked models allow multiple disciplines — architecture, structure, and MEP — to work independently while maintaining spatial coordination. Regular coordination meetings with clash detection reports keep the combined model consistent and identify conflicts before they become construction problems.

Family creation is perhaps the most powerful and most time-consuming aspect of Revit. A well-built parametric family can represent dozens of product variants through a single definition, while a poorly built one causes problems throughout the project. Investing time in family quality pays dividends later.

Family creation is perhaps the most powerful and most time-consuming aspect of Revit. A well-built parametric family can represent dozens of product variants through a single definition, while a poorly built one causes problems throughout the project. Investing time in family quality pays dividends later.

• Worksets: Divide the model into logical sections for team collaboration, controlling which elements each team member can edit
• View templates: Apply consistent graphic settings across multiple views by defining line weights, patterns, and category visibility in a reusable template
• Keynotes: Use a centralised keynote table for consistent annotations across all project views and sheets
• Design Options: Explore alternative layouts within the same project file without duplicating the entire model

Professionals who need this software but want to avoid ongoing subscription fees should note that Autodesk Revit 2023/2024/2025/2026 for Windows is available for CA$69.99/year from GetRenewedTech. This is a perpetual licence that does not expire, providing long-term value.

Conclusion

The techniques and approaches covered in this guide provide a solid foundation for working effectively with this aspect of your software toolkit. The key is consistency — applying these methods systematically rather than sporadically produces the most reliable results. As you become more comfortable with the workflow, you will find opportunities to adapt it to your specific requirements. For an affordable way to access the software discussed in this article, Autodesk Revit 2023/2024/2025/2026 for Windows is available for CA$69.99/year from GetRenewedTech.