Short answer
When faced with decisions about aging buildings, utilize a lifecycle sustainability assessment framework to compare renovation and redevelopment options, prioritizing renovation if optimized for embodied energy and carbon.
- Field
- Sustainability
- Source
- Smart Cities (2023)
- Method
- Quantitative comparative analysis using a decision-support framework.
- Evidence
- Strong effect
A BIM-integrated decision-support framework quantitatively demonstrates that renovating aging buildings, when optimized for embodied energy and carbon, offers superior economic and environmental benefits compared to demolition and redevelopment. This sustainability research insight is drawn from a 2023 study published in Smart Cities. Using Quantitative comparative analysis using a decision-support framework., researchers explored how this design variable affects real-world outcomes. The key design takeaway: When faced with decisions about aging buildings, utilize a lifecycle sustainability assessment framework to compare renovation and redevelopment options, prioritizing renovation if optimized for embodied energy and carbon.
Lifecycle Sustainability Assessment Framework Prioritizes Renovation Over Redevelopment for Aging Buildings
A BIM-integrated decision-support framework quantitatively demonstrates that renovating aging buildings, when optimized for embodied energy and carbon, offers superior economic and environmental benefits compared to demolition and redevelopment.
Smart Cities · 2023
Key Findings
- 01The BIM-based framework effectively evaluates the environmental impact of rehabilitation work in aging buildings.
- 02Renovation, when optimized for embodied energy and carbon to meet modern energy standards, improves overall energy performance.
- 03The framework provides effective ratings to guide decision-making in real-world projects for aging buildings.
Application
Design takeaway
When faced with decisions about aging buildings, utilize a lifecycle sustainability assessment framework to compare renovation and redevelopment options, prioritizing renovation if optimized for embodied energy and carbon.
How to apply
When assessing an existing building for potential upgrades or redevelopment, use a framework that quantifies cost, energy, and carbon impacts across the entire lifecycle for both renovation and demolition/redevelopment scenarios.
Project actions
- 01When researching building materials, consider their embodied energy and carbon footprint.
- 02Explore how Building Information Modeling (BIM) can be used to analyze existing structures and proposed interventions.
Method & Evidence
Variables
Strengths & Limitations
Strengths
- +Integration of advanced digital tools (BIM, FIM®) with lifecycle assessment.
- +Validation through a real-world case study of an aging building.
Limitations
It can be challenging to accurately gather all the necessary data for a comprehensive lifecycle assessment, especially for older buildings or when estimating future energy consumption.
Reliability & validity
The study's validity is supported by its application to a real building. Reliability could be enhanced by testing the framework on a wider variety of building types and conditions, and by ensuring consistent data input and LCA methodology.
Think critically
To what extent can the 'smart decision-support framework' be generalized to different building typologies and geographical contexts, and what are the potential challenges in adapting it?
Design Principles
"Embrace lifecycle thinking and digital integration to drive sustainable design decisions for the built environment."
This research provides a robust methodology for designers and engineers to objectively evaluate the sustainability of interventions for existing building stock. By integrating lifecycle assessment with advanced digital tools, it enables data-driven decisions that align with urgent climate action and sustainable development goals.
What This Means for Your Design
This study created a smart computer tool that helps decide if it's better to fix up an old building or tear it down and build a new one. It looks at the total cost, energy used, and pollution created over the building's whole life. The tool showed that fixing up an old building is usually better for the environment and can be cheaper, especially if you use materials that don't use much energy to make and are less polluting.
How to use in your project
- 1.Reference this study when discussing the importance of lifecycle assessment in your design project's evaluation phase.
- 2.Use the concept of comparing renovation vs. redevelopment to frame your own design problem or solution.
Add to My Project
Quick Cite
Paragraph starter
The research by Wu and Maalek (2023) highlights the critical role of lifecycle sustainability assessment in guiding decisions for aging buildings. Their developed framework, integrating BIM and lifecycle assessment, quantitatively demonstrated that prioritizing renovation, with a focus on minimizing embodied energy and carbon, offers significant economic and environmental advantages over demolition and redevelopment. This underscores the importance of adopting holistic evaluation methods that consider the entire lifespan of a building and its materials when aiming for sustainable design outcomes.
Source
Smart Cities
Renovation or Redevelopment: The Case of Smart Decision-Support in Aging Buildings
journal · 2023
View sourceQuestions About This Research
- What does the research say about lifecycle sustainability assessment framework prioritizes renovation over redevelopment for aging buildings?
- When faced with decisions about aging buildings, utilize a lifecycle sustainability assessment framework to compare renovation and redevelopment options, prioritizing renovation if optimized for embodied energy and carbon. Evidence: Smart Cities (2023).
- Why does "Lifecycle Sustainability Assessment Framework Prioritizes Renovation Over Redevelopment for Aging Buildings" matter for design?
- This research provides a robust methodology for designers and engineers to objectively evaluate the sustainability of interventions for existing building stock. By integrating lifecycle assessment with advanced digital tools, it enables data-driven decisions that align with urgent climate action and sustainable development goals.
- How can designers apply this research?
- When faced with decisions about aging buildings, utilize a lifecycle sustainability assessment framework to compare renovation and redevelopment options, prioritizing renovation if optimized for embodied energy and carbon.
- What were the main findings?
- The BIM-based framework effectively evaluates the environmental impact of rehabilitation work in aging buildings.. Renovation, when optimized for embodied energy and carbon to meet modern energy standards, improves overall energy performance.. The framework provides effective ratings to guide decision-making in real-world projects for aging buildings.
- What research method was used?
- Quantitative comparative analysis using a decision-support framework..
- How strong is the evidence?
- Evidence strength is rated Strong effect, based on a 2023 journal from Smart Cities.
- What should I do differently in my next project?
- When assessing an existing building for potential upgrades or redevelopment, use a framework that quantifies cost, energy, and carbon impacts across the entire lifecycle for both renovation and demolition/redevelopment scenarios.
- What are the limitations?
- The study's validation was based on a single case study, and the framework's applicability may vary depending on building type, local regulations, and specific site conditions.