The current economic and financial market conditions have forced Public Administration to examine more closely their balance sheets, identifying the main cost items. And the cost of the lease accounts for a significant part of the public finance, as shown by Cottarelli, Agenzia del Demanio data or by UK data.
In order to contain public expenditure, some governments are exploring more compact and dynamic organizational structures, leading to use property space more efficiently. In this context, the rational use of space is a highly topical issue.
Many local authorities are gearing up to transform their civic and administrative portfolios to match the challenges of modern service delivery, including the impact of new technology and opportunities to engage with the private sector \citep*{booka} . According to scientific literature, the main objective of managing public real estate property is to improve the use of public real estate during the process of performing public tasks, i.e. meeting collective needs of the community by providing local public goods \citep{articlec}.
Nevertheless, over the past 40 years and several strategies have been applied to efficiently manage property assets, findings have shown different problems and matters, such as: the inadequacy of management processes, the lack of a mid/long-term strategic vision and poor knowledge of the existing portfolio \citep{articled}.
According to \citet{articlee} and \citet{articlef} , these difficulties, unlike the CREM (Corporate Real Estate Management) sector, arise from combination of managerial and political sphere. PREM (Public Real Estate Management) combines principles of public interest (intergenerational equity, social sustainability, effectiveness, accountability, etc.), key principles of real estate management (public-private partnership, leasing, etc.) and other operational aspects (evaluation, performance evaluation, inventory, property maintenance, etc.) \citep{articleg} . The need to combine typical methods of the corporate real estate management with the social values such as fairness and responsibility, highlighting the contrast between private sector and public sector.