What question did this study set out to answer?

This research aims to explore how wellness features in office buildings affect real estate rents and vacancy rates.

February 22, 2026Open Access

Research on the Effects of Wellness in Existing Office Buildings on Real Estate Rents and Vacancy Rates

KNKoga NAKAMURAChiba University THT. HayashiNihon University

Key Points

This research aims to explore how wellness features in office buildings affect real estate rents and vacancy rates.
Analyzed data from 134 office buildings
Employed statistical analysis techniques including regression and Lasso regression
Examined correlations between wellness rankings and economic metrics
Higher wellness rankings correlate with increased real estate rents
Weak correlation observed between wellness rankings and vacancy rates
Conventional factors like location and construction year exert more influence on rents than wellness factors
'Design' positively impacts rents, while 'indoor environmental quality' may help lower vacancy rates

Abstract

This study analyzes the impact of building wellness on real estate rents and vacancy rates using CASBEE-Wellness Real Estate (provisional version). Based on data from 134 office buildings, statistical analysis revealed that higher rankings correlate with higher rents. While the relationship with vacancy rates was not strongly evident, a weak correlation was observed. Regression analysis indicated that conventional factors like location and construction year have greater influence, though Lasso regression suggests that wellness factors might contribute to rent premiums. Analysis of detailed items reveals that “design” likely boosts rents, while “indoor environmental quality” helps reduce vacancy rates.

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