Abstract
The principle behind sustainable city movements is represented by the idea of “good living”, which is the possibility of having solutions and services that allow citizens to live in an easy, simple, and enjoyable way. Policies for urban quality play a central role in the slow cities manifesto, often suggesting the use of Information and Communication Technologies (ITC) in the development of interactive services for citizens. Among these, an interesting possibility is to offer citizens digital real estate consultancy services through the implementation of automated evaluation methods. An automated appraisal action—which is already complex in itself owing to the need to collect data in a consistent, standardized, but also differentiated way so as to require the adoption of real estate due diligence—collides on the operational level with the concrete difficulty of acquiring necessary data, much more so since the reference market is dark, atypical, and viscous. These operational difficulties are deepened by the epistemological nature of the appraisal discipline itself, which bases its methodology on the forecast postulate, recalling the need to objectify as much as possible the evaluation from the perspective of an intersubjective sharing argument. These circumstances have led, on the one hand, to the definition of internationally accepted uniform evaluation rules (IVS, 2017) and, on the other, to the testing of automated valuation methods aimed at returning computer-based appraisals (AVM). Starting from the awareness that real estate valuation refers essentially to information and georeferences, this paper aims to demonstrate how real estate appraisal analysis can be further improved through information technology (IT), directing real estate valuation towards objectivity in compliance with international valuation standards. Particularly, the paper intends to show the potential of combining geographic information systems (GISs) and building information models (BIMs) in automated valuation methods through the depreciated reproduction cost. The paper also proposes a BIM-GIS semi-automatic prototype based on the depreciated reconstruction cost through an experimentation in Rende (Italy).
Highlights
Cities of the third millennium are currently facing challenges that require intelligent solutions, which can be translated into new services for citizens
When comparable sales data are not available or not consistent enough to apply a market-oriented method, the appraiser has to use a Cost Approach, which is based on the idea that the buyer is not willing to spend more on a property than it would cost them to rebuild it as it is, taking into account the state of maintenance and use
The use of technologies allows a harmonic management of its services
Summary
Cities of the third millennium are currently facing challenges that require intelligent solutions, which can be translated into new services for citizens. The challenges that cities are facing are producing a strong impact on their economy, competitiveness, and their own vision of the future. New solutions are necessary to guarantee citizens’ safety with healthy and comfortable places to live, work, and spend their free time [1,2]. The use of technology is a fundamental and essential tool in the creation of smart but, at the same time, livable cities. This means digitizing and connecting systems in order to detect, capture, and manage all the real-time information available in the area in an integrated way. The processing and redistribution of information will allow citizens to enjoy a series of assistance and information services in real time, with particular attention to citizens and public and private operators
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