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Prof. Belen Onecha
Polytechnic University of Catalonia - UPC

Basic Info


Research Keywords & Expertise

0 Teaching innovation
0 Retrofit / Rehabilitation, Quality Assessment of Buildings
0 retrofitting and conservation of Historic constructions and Architectural and Archaeological Heritage
0 Retrofit of existing building heritage
0 Energy Efficiency historical buildings

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Short Biography

PhD in Architecture, in the specialty of Rehabilitation and Restoration. Since 2014 professor in Architecture Technology Department, Barcelona School of Architecture. Professional activity mainly in the field of retrofit, restoration and energy efficiency in historical buildings. She has developed restoration projects and works for World Heritage buildings such as the Casa Batlló, Palau Güell and Cripta Güell, designed by Antoni Gaudí, or the Sant Pau Hospital in Barcelona; BCIN buildings (maximun national Heritage protection) such as Miravet castle, the churches of Sant Pere de Terrassa, Santa Maria de Barberà or Santa Maria de Castelló d'Empúries; and also some other buildings from several historical periods, with lower Heritage protection.

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Journal article
Published: 23 July 2021 in Sustainability
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In attempts to improve the energy efficiency of protected historical buildings, two barriers arise. The first is the restrictions imposed by authorities that are responsible for cultural heritage preservation. The second is the exclusion of protected buildings from strict compliance with energy efficiency requirements in current regulations, such as the issue of an Energy Performance Certificate, which removes them from conventional channels of public policies. Both of these issues put heritage in a delicate situation, especially when they are intended for privately developed residential uses. This paper presents a methodology for assessing and establishing a trade-off between energy performance and the cultural value of heritage buildings through the comprehensive analysis of a case study: the retrofitting of Can Armengol Palace in Palma de Mallorca (Spain). The study revealed (1) the need to objectify the cultural values of the building as far as possible to identify conflicts with the strategies of energy efficiency improvement; and (2) the appropriateness of considering every aspect of a rehabilitation intervention in a global simultaneous approach, not just energy aspects. The method that was used had five steps: acquiring a deep knowledge of the building configuration, assessing the building performance for every legal requirement, identifying cultural values, defining intervention criteria, and analyzing intervention effects on the protected elements of the building. The most important contribution in this study is the detailed and extended definition of architectural heritage values and the consideration of interventions resulting from sustainability retrofits as a new kind of value, that reflects current worries, for which future generations will remember us.

ACS Style

Belén Onecha; Alicia Dotor; Carlos Marmolejo-Duarte. Beyond Cultural and Historic Values, Sustainability as a New Kind of Value for Historic Buildings. Sustainability 2021, 13, 8248 .

AMA Style

Belén Onecha, Alicia Dotor, Carlos Marmolejo-Duarte. Beyond Cultural and Historic Values, Sustainability as a New Kind of Value for Historic Buildings. Sustainability. 2021; 13 (15):8248.

Chicago/Turabian Style

Belén Onecha; Alicia Dotor; Carlos Marmolejo-Duarte. 2021. "Beyond Cultural and Historic Values, Sustainability as a New Kind of Value for Historic Buildings." Sustainability 13, no. 15: 8248.

Journal article
Published: 17 July 2021 in Energy Policy
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In order to foster energy-informed real estate decisions, the EU has universalised the energy performance certificates to be displayed on advertising for sale and rental. However, in Spain, such certificates are absent in a disturbing proportion of cases. This paper investigates the prevalence of this problem, its spatial patterns, and the concomitant architectonic and locative attributes. In doing so, data from 49,000 apartments listed for leasing and renting in Metropolitan Barcelona are analysed using conventional and spatial econometric methods. The results suggest that the probability that a listing includes the energy rating of the dwelling largely depends on other neighbouring listings. Furthermore, the information opacity exists for the worst dwellings, which are expected to be the most inefficient, located in areas inhabited by low-income population. That is, the population that could benefit the most from this policy is, precisely, the most uninformed.

ACS Style

Carlos Marmolejo-Duarte; Belén Onecha-Pérez. The spatial uneven difussion of energy-efficiency transparency policy. An analysis of the multi-family market in Barcelona. Energy Policy 2021, 156, 112462 .

AMA Style

Carlos Marmolejo-Duarte, Belén Onecha-Pérez. The spatial uneven difussion of energy-efficiency transparency policy. An analysis of the multi-family market in Barcelona. Energy Policy. 2021; 156 ():112462.

Chicago/Turabian Style

Carlos Marmolejo-Duarte; Belén Onecha-Pérez. 2021. "The spatial uneven difussion of energy-efficiency transparency policy. An analysis of the multi-family market in Barcelona." Energy Policy 156, no. : 112462.

Conference paper
Published: 01 July 2021 in EDULEARN21 Proceedings
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ACS Style

Montserrat Bosch; Almudena Pérez; Mireia Bosch Prat; Còssima Cornadó; Belen Onecha; Joan Ramon Rosell; René Cabrera; Xavier Casanovas. SMART REHABILITATION 3.0 PROJECT: NEW TRAINING STRATEGIES FOR BUILDING AND CONSTRUCTION SECTOR. EDULEARN21 Proceedings 2021, 9817 -9826.

AMA Style

Montserrat Bosch, Almudena Pérez, Mireia Bosch Prat, Còssima Cornadó, Belen Onecha, Joan Ramon Rosell, René Cabrera, Xavier Casanovas. SMART REHABILITATION 3.0 PROJECT: NEW TRAINING STRATEGIES FOR BUILDING AND CONSTRUCTION SECTOR. EDULEARN21 Proceedings. 2021; ():9817-9826.

Chicago/Turabian Style

Montserrat Bosch; Almudena Pérez; Mireia Bosch Prat; Còssima Cornadó; Belen Onecha; Joan Ramon Rosell; René Cabrera; Xavier Casanovas. 2021. "SMART REHABILITATION 3.0 PROJECT: NEW TRAINING STRATEGIES FOR BUILDING AND CONSTRUCTION SECTOR." EDULEARN21 Proceedings , no. : 9817-9826.

Journal article
Published: 09 March 2021 in Sustainability
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Concerns about the energy performance of heritage buildings have grown exponentially over the last decade. However, actions have been limited to reducing energy consumption and carbon emissions. Another perspective must be studied—the thermal comfort of users, for human welfare and health. The assessment of thermal comfort inside a historic building with a single, large volume interior space is not easy. The complexity increases if the building has high cultural protection and its envelope cannot be altered, to preserve its historical values. This paper focuses on this kind of building and describes a dynamic simulation method used to assess thermal comfort in the Gothic Basilica of Sta. Maria del Mar in Barcelona. The basilica’s interior thermal conditions are intense cold during the winter and extreme heat and sultriness during the summer. Several simulation scenarios were considered to highlight the failure to obtain thermal comfort for users through passive strategies during the summer period. When all the factors are considered, the only valid strategy is to introduce an active system. This must be minimized according to three criteria: reducing operational periods, considering just the air volume next to users and adjusting the level of comfort requirement.

ACS Style

Belén Onecha; Alicia Dotor. Simulation Method to Assess Thermal Comfort in Historical Buildings with High-Volume Interior Spaces—The Case of the Gothic Basilica of Sta. Maria del Mar in Barcelona. Sustainability 2021, 13, 2980 .

AMA Style

Belén Onecha, Alicia Dotor. Simulation Method to Assess Thermal Comfort in Historical Buildings with High-Volume Interior Spaces—The Case of the Gothic Basilica of Sta. Maria del Mar in Barcelona. Sustainability. 2021; 13 (5):2980.

Chicago/Turabian Style

Belén Onecha; Alicia Dotor. 2021. "Simulation Method to Assess Thermal Comfort in Historical Buildings with High-Volume Interior Spaces—The Case of the Gothic Basilica of Sta. Maria del Mar in Barcelona." Sustainability 13, no. 5: 2980.

Journal article
Published: 19 January 2021 in Applied Sciences
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Within the Energy Performance of Buildings Directive information symmetry regarding financial and environmental benefits, coming from real estate performance, is a key element in the promotion of efficient buildings. However, the link between energy efficiency and its perceived co-benefits is far from perfect in EU countries with a short trajectory in the promotion of such residential attributes, endangering the efficacy of information-symmetry policies. Using a large survey applied to sellers, buyers, lessors and tenants this paper explores, in Spain, the perceived co-benefits in terms of energy savings and thermal comfort of efficient homes and whether such perception correlates to current living conditions, housing tenure and sociodemographic profile of respondents. Results suggest that in general such co-benefits are present in the mind of the main agents of the housing market. However, their perception is far from being homogeneous, it is clearer in the case of households whose current home is poorly insulated or inadequately serviced in terms of thermal active systems. Sociodemographic conditions also play a role in co-benefits perceptions: Elder, wealthier and landlords, irrespective of whether they act as sellers, buyers or lessors, do perceive to a larger extent the co-benefits of efficient homes. Such findings signal clear paths for the improvement of energy and housing policy.

ACS Style

Eva Crespo Sánchez; Silvia Spairani Berrio; Belén Onecha Perez; Carlos Marmolejo-Duarte. Perceived Benefits of Energy Efficiency in the Spanish Residential Market and Their Relation to Sociodemographic and Living Conditions. Applied Sciences 2021, 11, 875 .

AMA Style

Eva Crespo Sánchez, Silvia Spairani Berrio, Belén Onecha Perez, Carlos Marmolejo-Duarte. Perceived Benefits of Energy Efficiency in the Spanish Residential Market and Their Relation to Sociodemographic and Living Conditions. Applied Sciences. 2021; 11 (2):875.

Chicago/Turabian Style

Eva Crespo Sánchez; Silvia Spairani Berrio; Belén Onecha Perez; Carlos Marmolejo-Duarte. 2021. "Perceived Benefits of Energy Efficiency in the Spanish Residential Market and Their Relation to Sociodemographic and Living Conditions." Applied Sciences 11, no. 2: 875.

Journal article
Published: 30 October 2020 in VLC arquitectura. Research Journal
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The aim of this article is to show the origin and subsequent persistence of a way of organizing, from fragmentation, the teaching of architecture. To this end, an analysis of generalist historical treatises is carried out, highlighting, on one side, the differences in the organizational structure of the contents, on the other, in the approaches to the ends and means of architecture and, finally, in its interpretation of the original Vitruvian Triad. And it is the version of Perrault in his Abrégé of 1674 that radically misunderstood it, creating a structure that destroys the global vision of Architecture. With him begins the division into three parts; construction, distribution and decoration that will influence all subsequent treatises, except for two French authors, who already in the early and mid-nineteenth century rejected it by proposing other integrative alternatives. All in all, tripartite fragmentation, with a clear predominance of the third, firmly maintains its presence until the 20th century, and even today.

ACS Style

Belén Onecha Pérez; José Luis González Moreno-Navarro; Sonsoles Puntos Pérez. La enseñanza de la Arquitectura como resultado de una tríada tergiversada. VLC arquitectura. Research Journal 2020, 7, 125 -155.

AMA Style

Belén Onecha Pérez, José Luis González Moreno-Navarro, Sonsoles Puntos Pérez. La enseñanza de la Arquitectura como resultado de una tríada tergiversada. VLC arquitectura. Research Journal. 2020; 7 (2):125-155.

Chicago/Turabian Style

Belén Onecha Pérez; José Luis González Moreno-Navarro; Sonsoles Puntos Pérez. 2020. "La enseñanza de la Arquitectura como resultado de una tríada tergiversada." VLC arquitectura. Research Journal 7, no. 2: 125-155.

Journal article
Published: 13 May 2019 in ZARCH
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En la actualidad, buena parte de la comunidad universitaria coincide con la afirmación de que “Aprender no es un juego, pero se aprende jugando”. Es innegable que las actuales generaciones de estudiantes universitarios han crecido rodeados de la ludificación aplicada a actividades de lo más dispares y, por tanto, han desarrollado la predisposición al juego, puesto que éste proporciona placer y felicidad, así como las habilidades necesarias para participar en él, competitividad, actitud resolutiva, espíritu de equipo y muchas más. Con esta perspectiva en mente y con el objetivo de remarcar los conceptos más importantes que se han impartido durante el curso, el equipo de profesores de la asignatura Bases para la Técnica del primer curso de arquitectura en la Escuela Técnica Superior de Arquitectura de Barcelona (Universidad Politécnica de Cataluña), hemos desarrollado un juego basado en la técnica del Escape Room. Este artículo describe la metodología llevada a cabo en las pruebas realizadas durante 3 cuatrimestres por más de 500 alumnos, analiza los resultados en cuanto al cumplimiento de los objetivos didácticos planteados y plantea una reflexión sobre los límites de la ludificación aplicada a la enseñanza de la arquitectura.

ACS Style

Belén Onecha Pérez; Javier Sanz Prat; Daniel López Valdés. Los límites de la ludificación en la enseñanza de la arquitectura. La técnica del Escape Room. ZARCH 2019, 122 -133.

AMA Style

Belén Onecha Pérez, Javier Sanz Prat, Daniel López Valdés. Los límites de la ludificación en la enseñanza de la arquitectura. La técnica del Escape Room. ZARCH. 2019; (12):122-133.

Chicago/Turabian Style

Belén Onecha Pérez; Javier Sanz Prat; Daniel López Valdés. 2019. "Los límites de la ludificación en la enseñanza de la arquitectura. La técnica del Escape Room." ZARCH , no. 12: 122-133.

Journal article
Published: 01 February 2017 in ACE: Architecture, City and Environment
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ACS Style

Ana Belén Onecha Pérez; Mireia Bosch Prat; Joan Olona Casas; Alicia Dotor Navarro. Plan Director de restauración de la Casa Batlló de Gaudí, un antes y un después. ACE: Architecture, City and Environment 2017, 1 .

AMA Style

Ana Belén Onecha Pérez, Mireia Bosch Prat, Joan Olona Casas, Alicia Dotor Navarro. Plan Director de restauración de la Casa Batlló de Gaudí, un antes y un después. ACE: Architecture, City and Environment. 2017; ():1.

Chicago/Turabian Style

Ana Belén Onecha Pérez; Mireia Bosch Prat; Joan Olona Casas; Alicia Dotor Navarro. 2017. "Plan Director de restauración de la Casa Batlló de Gaudí, un antes y un después." ACE: Architecture, City and Environment , no. : 1.