Machine Learning of Usable Area of Gable-Roof Residential Buildings Based on Topographic Data

In real estate appraisal, especially of residential buildings, one of the primary evaluation parameters is the property’s usable area. When determining the property price, Polish appraisers use data from comparable transactions included in the Real Estate Price Register (REPR), which is highly incom...

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Main Authors: Leszek Dawid, Kacper Cybiński, Żanna Stręk
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Remote Sensing
Subjects:
Online Access:https://www.mdpi.com/2072-4292/15/3/863
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author Leszek Dawid
Kacper Cybiński
Żanna Stręk
author_facet Leszek Dawid
Kacper Cybiński
Żanna Stręk
author_sort Leszek Dawid
collection DOAJ
description In real estate appraisal, especially of residential buildings, one of the primary evaluation parameters is the property’s usable area. When determining the property price, Polish appraisers use data from comparable transactions included in the Real Estate Price Register (REPR), which is highly incomplete, especially regarding properties’ usable areas. This incompleteness renders the identification of comparable transactions challenging and may lead to incorrect prediction of the property price. We address this challenge by applying machine learning methods to estimate the usable area of buildings with gable roofs based only on their topographic data, which is widely available in Poland in the Database of Topographic Objects (BDOT10k) of Light Detection and Ranging (LiDAR) origin. We show that three features are enough to make accurate predictions of the usable area: the covered area, the building’s height, and the number of stories optionally. A neural network trained on buildings from architectural bureaus reached a 4% median percentage error on the same source and 15% on the real buildings from the city of Koszalin, Poland. Therefore, the proposed method can be applied by appraisers to estimate the usable area of buildings with known transaction prices and solve the problem of finding comparable properties for appraisal.
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spelling doaj.art-67b30549f1734a84b9c65bf27df3f8992023-11-16T17:55:19ZengMDPI AGRemote Sensing2072-42922023-02-0115386310.3390/rs15030863Machine Learning of Usable Area of Gable-Roof Residential Buildings Based on Topographic DataLeszek Dawid0Kacper Cybiński1Żanna Stręk2Faculty of Civil Engineering, Environmental and Geodetic Sciences, Technical University of Koszalin, Śniadeckich 2, 75-453 Koszalin, PolandFaculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warsaw, PolandDepartment of Environmental Engineering and Geodesy, The Faculty of Production Engineering, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, PolandIn real estate appraisal, especially of residential buildings, one of the primary evaluation parameters is the property’s usable area. When determining the property price, Polish appraisers use data from comparable transactions included in the Real Estate Price Register (REPR), which is highly incomplete, especially regarding properties’ usable areas. This incompleteness renders the identification of comparable transactions challenging and may lead to incorrect prediction of the property price. We address this challenge by applying machine learning methods to estimate the usable area of buildings with gable roofs based only on their topographic data, which is widely available in Poland in the Database of Topographic Objects (BDOT10k) of Light Detection and Ranging (LiDAR) origin. We show that three features are enough to make accurate predictions of the usable area: the covered area, the building’s height, and the number of stories optionally. A neural network trained on buildings from architectural bureaus reached a 4% median percentage error on the same source and 15% on the real buildings from the city of Koszalin, Poland. Therefore, the proposed method can be applied by appraisers to estimate the usable area of buildings with known transaction prices and solve the problem of finding comparable properties for appraisal.https://www.mdpi.com/2072-4292/15/3/863real estate appraisalneural networksurban remote sensingGIScienceLiDARlinear regression
spellingShingle Leszek Dawid
Kacper Cybiński
Żanna Stręk
Machine Learning of Usable Area of Gable-Roof Residential Buildings Based on Topographic Data
Remote Sensing
real estate appraisal
neural networks
urban remote sensing
GIScience
LiDAR
linear regression
title Machine Learning of Usable Area of Gable-Roof Residential Buildings Based on Topographic Data
title_full Machine Learning of Usable Area of Gable-Roof Residential Buildings Based on Topographic Data
title_fullStr Machine Learning of Usable Area of Gable-Roof Residential Buildings Based on Topographic Data
title_full_unstemmed Machine Learning of Usable Area of Gable-Roof Residential Buildings Based on Topographic Data
title_short Machine Learning of Usable Area of Gable-Roof Residential Buildings Based on Topographic Data
title_sort machine learning of usable area of gable roof residential buildings based on topographic data
topic real estate appraisal
neural networks
urban remote sensing
GIScience
LiDAR
linear regression
url https://www.mdpi.com/2072-4292/15/3/863
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