UPGREAT: Aspects affecting the performance gap in energy renovations of public school buildings

UPGREAT – Training Tool for Efficient Schools

The UPGREAT project works to upgrade professionals’ skills for deep renovations which are needed to sustainably transform the buildings sector to fulfil high energy and low carbon emissions standards. The article is about the aspects affecting the performance difference between the proposed solutions and the actual results of energy renovation of public school buildings.

Identifying the gaps and barriers in deep energy renovation of school buildings through UPGREAT

UPGREAT – Training Tool for Efficient Schools

The UPGREAT project works to upgrade professionals’ skills for deep renovations which are needed to sustainably transform the buildings sector to fulfil high energy and low carbon emissions standards.

EUKI project UPGREAT has been part of the fifth edition of the International Conference on Economic and Social Sciences (ICESS) and has published their scientific paper “Identification of Gaps and Barriers in Building Renovations through a Targeted Survey to Professionals of the Built Environment to Upgrade the Quality of Building Stock and Mitigate Climate Change” in the conference publication.

Primary School in Polis Chrisochous, Paphos, Cyprus

Identifying the gaps and barriers in deep energy renovation of school buildings through UPGREAT

UPGREAT – Training Tool for Efficient Schools

From the community



Identifying the gaps and barriers in deep energy renovation of school buildings through UPGREAT

by Christina Palochi, Architectural Engineer, Cyprus Energy Agency

With the building sector accounting for 36% of total greenhouse gas emissions and 40% of the EU energy consumption, major renovations have become mandatory throughout Europe to achieve higher energy efficiency and lower carbon emissions by 2050. These targets apply to both, public and private buildings, including school buildings, which are at the forefront of the European Union’s “Wave of Renovation” due to their significant role and their contribution to the social context.


Regarding the school buildings in Cyprus, whether referring to kindergartens, primary, secondary, or technical schools, various technical issues are observed, directly related to construction methods and energy performance. As a result, the learning experience and performance are significantly affected, as throughout the year, most of the students express that the indoor thermal conditions do not meet the thermal comfort requirements, a fact that is also confirmed by teachers and school staff.

Large-scale energy renovations of school buildings have a high perceived investment risk, while the many actors involved deem the endeavor as an even more complex procedure. The importance of such deep energy renovations has been addressed by National (NEEAP, NECP) and EU (EPBD, Green Deal) policies. Specifically, in the case of Cyprus, the necessity of deep energy renovations of school buildings has been emphasized, and several faults and deficiencies were identified through a series of energy audits and inspections carried out in 155 schools of all levels across Cyprus, for the purposes of the EU-funded project PEDIA, which connects a wide range of actions aiming to improve the energy performance and the indoor conditions of at least 25 public school buildings in Cyprus, reaching the nearly-zero-energy-building level.

The deficiencies and faults which have been detected in the selected school buildings, were mainly related to excess indoor humidity levels and high temperatures in classrooms, especially during the summer period, late spring, and early autumn months. Most of the issues reflect the existing gaps and barriers between the design and construction phase, as well as the lack of technical skills and knowledge of the professionals in the construction industry, either referring to white or blue-collar practitioners. For instance, numerous schools were not designed nor orientated based on the parameters of bioclimatic design e.g., North facing windows, appropriate shading systems, plantation etc. In addition, significant knowledge gaps and incorrect implementation methods, were identified in the use of construction materials and mechanical systems during energy renovation processes, such as thermal insulation, waterproofing, cooling and heating. Therefore, the need for targeted training of the building sector professionals and the establishment and dissemination of a complete “Guidebook” or “Toolkit” is fundamental in order to avoid such situations when implementing deep energy renovations in school buildings.

Primary School in Polis Chrisochous, Paphos, Cyprus

Primary School in Polis Chrisochous, Paphos, Cyprus; Photo: © Cyprus Energy Agency

The UPGREAT project (Upskilling Professionals for deep enerGy efficiency REnovations: A Tool for better schools), which is coordinated by the National and Kapodistrian University of Athens, in cooperation with the Hellenic Passive House Institute, the Cyprus Energy Agency, and the German Da-Di-Werk, was designed for this specific purpose; to upskill building professionals in relation to deep energy renovations, especially of school buildings.

If you are a building professional, we would appreciate your contribution to our survey aimed at identifying more gaps and barriers for energy efficiency implementation methods. The survey is available in 2 languages, English and Greek, while there’s also an edition of the survey with the informed consent section written in German, so that all the project participants are fully aware about data security procedures. You will be asked to answer approximately 25 questions and it will take less than 20 minutes.

The participation in the survey is voluntary and the answers will be treated with confidentiality. Any personal information will not be disclosed to third parties other than the project consortium.

Your voice matters! Join us and let’s build together a sustainable and inclusive society, responding to needs beyond functionality.

Responsible for the content of this page is the named author / organisation: Christina Palochi, Cyprus Energy Agency / UPGREAT Project

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