Towards Sustainable Construction: New Trends in Building Renovation, Energy Efficiency and Innovative Materials

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Materials, and Repair & Renovation".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 3486

Special Issue Editors


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Guest Editor Assistant
Escuela Técnica Superior de Edificación, Universidad Politécnica de Madrid, Madrid, Spain
Interests: innovative material, building renovation; building pathology; sustainability; waste management; circular economy; energy efficiency

Special Issue Information

Dear Colleagues,

The construction industry holds a key role in the economic development of nations. Every year, this sector demands a huge amount of raw materials and generates a strong environmental impact on our planet. For this reason, it is necessary to move towards sustainable, more efficient, and environmentally friendly construction. In this sense, the refurbishment of existing buildings is becoming increasingly common as a sustainable approach for utilising existing resources in cities, improving their initial performance, and therefore recovering the value of the built heritage.

The main goal of this Special Issue is to collect contributions related to sustainability that contribute to boosting building renovation. Thus, this initiative welcomes dissimilar contributions that address various topics, such as (i) the development and characterisation of novel sustainable building materials; (ii) the energy efficiency of buildings and the improvement of their thermal performance; (iii) retrofitting and restoration strategies for existing buildings; and (iv) the efficient management of existing resources and circular economy. In this way, initiatives focused on improving the sustainability of buildings, developing new construction systems, and introducing technological innovations in buildings are welcome.

Dr. Daniel Ferrández Vega
Dr. Paulo Santos
Guest Editors

Alicia Zaragoza Benzal
Guest Editor Assistant

Manuscript Submission Information

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Keywords

  • sustainable construction materials
  • energy efficiency in buildings and thermal behaviour
  • building conservation techniques
  • gypsum, lime mortars, cement composites, wood, steel and concrete
  • building pathology and rehabilitation strategies
  • circular economy for a sustainable construction
  • life-cycle assessment of buildings and building components
  • passive conditioning of buildings
  • new technologies applied to buildings

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Published Papers (3 papers)

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Research

29 pages, 2140 KiB  
Article
Housing Market Trends and Affordability in Central Europe: Insights from the Czech Republic, Slovakia, Austria, and Poland
by Jitka Matějková and Alena Tichá
Buildings 2025, 15(10), 1729; https://doi.org/10.3390/buildings15101729 - 20 May 2025
Abstract
This study examines housing affordability trends in Central Europe, focusing on the Czech Republic, Slovakia, Austria, and Poland, in the wake of recent global disruptions including the COVID-19 pandemic, the 2021–2022 energy crisis, and the war in Ukraine. These events have intensified housing [...] Read more.
This study examines housing affordability trends in Central Europe, focusing on the Czech Republic, Slovakia, Austria, and Poland, in the wake of recent global disruptions including the COVID-19 pandemic, the 2021–2022 energy crisis, and the war in Ukraine. These events have intensified housing affordability challenges by driving up property prices, rental costs, and energy expenses. Using data from December 2022 to March 2023, the paper analyzes wage levels relative to housing costs in major cities—Prague, Brno, Bratislava, Vienna, Graz, Warsaw, and Kraków—through price-to-income and rent-to-income ratios. The findings reveal that affordability is most strained in Czech cities, particularly Prague, where property prices outpace wages, while Vienna demonstrates better affordability due to higher average incomes. The study integrates real estate platform data with official statistics and employs spatial mapping and exploratory econometric testing to identify affordability patterns and disparities. It concludes that affordability outcomes are shaped by wage dynamics, housing supply constraints, migration pressures, and policy responses. The study underscores the importance of targeted housing policies and wage interventions to address these challenges and highlights the need for cross-country policy learning and regional coordination to improve housing affordability and market resilience across Central Europe. Full article
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30 pages, 1882 KiB  
Article
AI-Driven Digital Twins for Enhancing Indoor Environmental Quality and Energy Efficiency in Smart Building Systems
by Ibrahim Yitmen, Amjad Almusaed, Muaz Hussein and Asaad Almssad
Buildings 2025, 15(7), 1030; https://doi.org/10.3390/buildings15071030 - 24 Mar 2025
Cited by 1 | Viewed by 1240
Abstract
Smart buildings equipped with diverse control systems serve the objectives of gathering data, optimizing energy efficiency (EE), and detecting and diagnosing faults, particularly in the domain of indoor environmental quality (IEQ). Digital twins (DTs) offering an environmentally sustainable solution for managing facilities and [...] Read more.
Smart buildings equipped with diverse control systems serve the objectives of gathering data, optimizing energy efficiency (EE), and detecting and diagnosing faults, particularly in the domain of indoor environmental quality (IEQ). Digital twins (DTs) offering an environmentally sustainable solution for managing facilities and incorporated with artificial intelligence (AI) create opportunities for maintaining IEQ and optimizing EE. The purpose of this study is to assess the impact of AI-driven DTs on enhancing IEQ and EE in smart building systems (SBS). A scoping review was performed to establish the theoretical background about DTs, AI, IEQ, and SBS, semi-structured interviews were conducted with the specialists in the industry to obtain qualitative data, and quantitative data were gathered via a computerized self-administered questionnaire (CSAQ) survey, focusing on how DTs can improve IEQ and EE in SBS. The results indicate that the AI-driven DT enhances occupants’ comfort and energy-efficiency performance and enables decision-making on automatic fault detection and maintenance conditioning to improve buildings’ serviceability and IEQ in real time, in response to the key industrial needs in building energy management systems (BEMS) and interrogative and predictive analytics for maintenance. The integration of AI with DT presents a transformative approach to improving IEQ and EE in SBS. The practical implications of this advancement span across design, construction, AI, and policy domains, offering significant opportunities and challenges that need to be carefully considered. Full article
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32 pages, 13199 KiB  
Article
Viscoelastic and Fatigue Performance of Modified Bitumen Using Polymer and Bio-Based Additives: A Comparative Study
by Ali Almusawi, Shvan Tahir Nasraldeen, Mustafa Albdairi and Hussein H Norri
Buildings 2025, 15(3), 306; https://doi.org/10.3390/buildings15030306 - 21 Jan 2025
Viewed by 1426
Abstract
This study investigates the performance and viscoelastic characteristics of unmodified and modified bitumen using Performance Grading, Frequency Sweep, and Linear Amplitude Sweep tests. The bitumen modifications include styrene-butadiene–styrene at 4% and 5%, animal bone powder at concentrations of 4%, 5%, and 6%, and [...] Read more.
This study investigates the performance and viscoelastic characteristics of unmodified and modified bitumen using Performance Grading, Frequency Sweep, and Linear Amplitude Sweep tests. The bitumen modifications include styrene-butadiene–styrene at 4% and 5%, animal bone powder at concentrations of 4%, 5%, and 6%, and waste cooking oil at 3%, 4%, and 5%. Performance Grading tests were conducted to evaluate the high-temperature performance of bitumen samples. Frequency Sweep tests were used to analyze the complex shear modulus and phase angle, providing insights into stiffness and elasticity. The Linear Amplitude Sweep tests assessed fatigue resistance by monitoring the degradation of the complex shear modulus under cyclic loading. Styrene-butadiene–styrene and animal bone powder significantly enhanced stiffness, elasticity, and fatigue resistance, with styrene-butadiene–styrene-modified samples achieving the highest performance grades and fatigue resistance. Waste cooking oil-modified bitumen reduces stiffness and fatigue resistance, indicating it primarily acts as a plasticizer. Styrene-butadiene–styrene and animal bone powder are effective modifiers for improving bitumen’s mechanical and fatigue properties and are suitable for demanding applications. In contrast, waste cooking oil compromises structural performance despite its environmental benefits, making it less suitable for high-performance use. Full article
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