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Managing Sustainability Aspects in Renovation Processes: Interview Study and Outline of a Process Model
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms).
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms).ORCID iD: 0000-0003-2949-422X
University of Gävle.
2015 (English)In: Sustainability, ISSN 2071-1050, E-ISSN 2071-1050, Vol. 7, 6336-6352 p.Article in journal (Refereed) Published
Abstract [en]

In many European countries, there are building stocks in need of extensive renovation. This constitutes an important opportunity to perform energy-saving measures and improve indoor environmental quality aiming at a more sustainable built environment. In this paper, we report results from an interview study with the aim of obtaining an in-depth understanding of renovation processes and how sustainability aspects are handled by various Swedish property owners. Examples of important barriers revealed in the interviews are insufficient inspection of existing buildings, absence of both overarching and detailed sustainability targets and guidelines, and lack of knowledge about sustainability aspects. Based on the interview study, conclusions are drawn for the further development of a process model which aims at systematize integration and effectively address energy, environmental, and indoor environmental quality aspects throughout a renovation process; we refer to this as sustainable renovation. Some key starting points for the process model are to suggest routines, provide checklists and tools, and offer guidance for formulating sustainability targets. However, the interviews show that in order to reach a more sustainable built environment, there is a need for government subsidies, other incentives or new business models that value environmental aspects higher.

Place, publisher, year, edition, pages
MDPI , 2015. Vol. 7, 6336-6352 p.
Keyword [en]
sustainability management; renovation; housing; process; interviews; barriers
National Category
Environmental Analysis and Construction Information Technology
Research subject
Real Estate and Construction Management
Identifiers
URN: urn:nbn:se:kth:diva-168132DOI: 10.3390/su7066336ISI: 000357593000001Scopus ID: 2-s2.0-84934299189OAI: oai:DiVA.org:kth-168132DiVA: diva2:814448
Funder
Swedish Research Council Formas
Note

QC 20150604

Available from: 2015-05-27 Created: 2015-05-27 Last updated: 2017-12-04Bibliographically approved
In thesis
1. Building renovation processes towards low greenhouse gas emissions and energy use
Open this publication in new window or tab >>Building renovation processes towards low greenhouse gas emissions and energy use
2016 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Buildings from the record year era are now 40 – 55 years old and in many cases in need of extensive renovation measures. This need for renovation could be seen as an opportunity to achieve overarching sustainability target levels and to perform renovation with a holistic approach. This thesis aims at creating support for the formulation and achievement of adequate environmental targets that relate to overarching Swedish Environmental Quality Objectives. The overall aim of the thesis is to contribute to an understanding of the current situation of environmental management in renovation processes. The scope of this thesis is limited to the aspects energy use and greenhouse gas (GHG) emissions from energy use and material production. This thesis contributes to this aim with a stepwise procedure for evaluation of measures together with a proposal for target levels for three environmental aspects. The first paper appended to this thesis investigates how six Swedish property owners performed renovation projects. From this paper it can be concluded that the main barrier (except economic ones) are characterized by lack of knowledge about overarching objectives and what aspects define a sustainable built environment. The second paper assesses embodied GHG emissions due to material production for the totality of measures needed to reduce operational energy demand per unit heated floor area by 50% compared with 1995. On a national level, embodied GHG emissions are estimated to be 12% of the reduction of GHG emissions achieved by operational energy demand reduction. The final paper appended to this thesis uses a case study building to illustrate a working procedure to identify project-specific target levels for three environmental aspects. In addition, it identifies indicative improvements necessary for the achievement of long-term targets for those aspects, which could be focused and further investigated in later project stages with the help of a long-term plan of action.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2016. 36 p.
Series
TRITA-INFRA-FMS, ISSN 1652-5442 ; 2016:2
Keyword
Renovation processes, buildings, energy efficiency, greenhouse gas emissions, target levels
National Category
Environmental Analysis and Construction Information Technology
Identifiers
urn:nbn:se:kth:diva-192888 (URN)978-91-7729-114-5 (ISBN)
Presentation
2016-11-09, Q24, Osquldas väg 6B, Stockholm, 09:30 (English)
Opponent
Supervisors
Funder
Swedish Research Council Formas
Note

QC 20160926

Available from: 2016-09-26 Created: 2016-09-22 Last updated: 2016-10-03Bibliographically approved

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