Building renovation at district level

Lessons learned from international case studies

Journal article (2021)

Authors

Jørgen Rose Aalborg University
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David Venus AEE - Institute for Sustainable Technologies
T. Konstantinou Building Product Innovation - Architecture and the Built Environment
E. Mlecnik Housing Management - Architecture and the Built Environment
Manuela Almeida University of Minho
J. Teres Zubiaga University of the Basque Country
Erik Johansson Lund University
M. Conci Beheer Grootschalige (EU) Projecten
Tiziano Dalla Mora Università Iuav di Venezia
Research Group
Building Product Innovation (Architecture and the Built Environment) (TU Delft)
Copyright: © 2021 Jørgen Rose, Silvia Domingo-Irigoyen, David Venus, T. Konstantinou, E. Mlecnik, Manuela Almeida, J. Teres Zubiaga, Erik Johansson, M. Conci, Tiziano Dalla Mora, More Authors
DOI
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https://doi.org/10.1016/j.scs.2021.103037
Case studies Building renovation Cost-effective renovation District level Balancing energy efficiency and renewable energy
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Published Date

2021

Language

English

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Faculty

Architecture and the Built Environment

Department

Architectural Engineering +Technology

Research Group

Building Product Innovation

Abstract

Renovation at district scale is a key strategy to reduce CO2 emissions by optimising the implementation of renewable energy sources and taking advantage of economy of scale. This paper focuses on analysing good practice examples on energy renovations at district scale. The paper adapts a qualitative research methodology in four phases, including the multi-perspective analysis of nine exemplary renovation projects in six European countries, including identification of drivers and barriers of different stakeholders.

It is found that the drivers for a district renovation are not restricted to energy savings, but typically also include improving the overall quality of life as well as the image and economic value of a district. Moreover, the need for financial models that can alleviate split-incentive problems between investors and resident organizations is identified.

Barriers for carrying out a district renovation include that there is a need to comply with energy standards, that the renovation scope had to be limited to avoid a noticeable rent increase and that resettling of tenants during the renovation is often not possible.

Lessons learned include that good communication amongst the different stakeholders, especially with residents, plays a key role for the success of the project. Furthermore, a strong leadership is needed to coordinate activities due to the great number of stakeholders.