Dissertations / Theses on the topic 'Hållbara bostäder'
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Borg, Gustaf, and Marcus Kennerstedt. "Temporära bostäder i den socialt hållbara staden." Thesis, KTH, Industriell ekologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-213955.
Full textThe majority of the world’s population live in the cities, and even more will live there in the future. This urbanization puts great demands on urban development, at the same time as our times great challenge will be to make our society sustainable. There are many ideas of how the urban development should be done. One method is to use temporary housing, something which has been done at Frihamnen in Gothenburg. This raises the question if similar projects are applicable on a bigger scale, whilst still not conflicting with our pursuit for sustainability? Social sustainable urban development and social sustainability walks hand in hand. One creates platforms for the other. The terms have broad definitions within the literature, although important aspects that often is highlighted consists of social interaction, participation, variation and collaboration to create social sustainability. Temporary installments have become a more frequent used and appreciated phenomenon within urban development since one does not commit to long term solutions, and the process of building such places may be in collaboration with the citizens. The thesis is done partly on a case-study of Frihamnen, where temporary housing has a central place in the planning process. Frihamnen has other plans to build other temporary installments in the nearby area, such as Jubileumsparken. Many of the dimensions of social sustainability will need to be identified after the project, but it is possible to draw parallels already between the project and social sustainability. Examples of such is participation and a variation of functions. Temporary housing does not affect social sustainability much more than permanent buildings would do. However, they should be a part of an area that consists of temporary installments, and can in that way be a part of social sustainable urban development. The topic about temporary housing within social sustainability and planning is relative unexplored, which means that it is hard to make general conclusions.
Mustafa, Riham, and Sehmi Sanae Massioui. "Hållbara strategier för renovering av bostäder : Lämpliga strategier vid olika förutsättningar." Thesis, KTH, Fastigheter och byggande, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-211128.
Full textMore than half of the current housing stock in Sweden was built between 1950 and 1975. The renovation pace of this housing stock has not been able to keep up with the pace at which it was constructed. This has led to an increase in the need for renovation of the housing stock. Renovation can be carried out in different ways, strategies and to different levels. The choice of strategy will influence the pace of the renovation. The strategies studied in this degree project are: total renovation, renovation one step at a time and renovation one apartment at a time. This project intends to increase the efficiency of renovation and energy whilst meeting society’s demand for sustainable and modern housing. This is done by putting focus on the sustainability aspects, i.e. economic, social and environmental. The aim of this degree project is to study the viability and suitability of different strategies by studying the following three questions: What strategies municipal housing companies use and whether they offer their tenants various levels of refurbishment? Which sustainability aspect is prioritised during the refurbishment process? Which type of contract form: tender, partnering or in-house, is used during the refurbishment process? Corresponding to these questions, three hypotheses were developed and then compared to the results in order to study if there is any correlation. A mixed method approach was used to help answer the research question: 23 semi-structured interviews and one self-administered survey with 101 respondents. Results from the first research question suggest that total renovation is the strategy used when renovating a housing stock consisting of several buildings and where there exists a comprehensive renovation need. Total renovation and renovation one apartment at a time are also common for companies that offer their tenants different refurbishment levels, and the latter is often chosen when the apartment is empty. Renovation one step at a time is mostly used by housing companies that have difficulty offering their tenants evacuation apartments and also in cases where only a few renovation measures need to be taken. Results regarding prioritization of the sustainability aspects differ depending on the interviews and survey. According to the interviews the social aspect was the most prioritized, whilst survey results showed that the economic aspect takes precedence. In both cases, the environmental aspect was the least prioritized. This could be due to the fact that law regulations make it hard to build anything that directly harms the environment. Keeping this in mind together with the amendment of 2011, which states that each project should be profitable, it is recommended that there should be more focus on the social aspect. This is not meant to minimize the importance of other aspects, but rather underlines the importance of highlighting the social factor. Results concerning the third research question indicate that while contract by tender might be the most common contract form, partnering is becoming more frequent. A third option studied in this project, which is not a contract form, is in-house. Only a minor percentage of the firms use renovation by in-house, however their answers attest to a hope for a future increase in in-house since it can compete with contractors in order to push the prices down. In conclusion, the most sustainable solution that takes into consideration both the company's and the buildings' specific conditions is a combination of all three strategies for the renovation of a housing stock. Proposal for further studies is to further develop the need for and the supply of evacuation apartments during renovation, which has proven to be a hardship for several housing companies in different locations. This could potentially lead to various solutions and/or strategies for both municipal and private companies.
Gunnarsson, Emelie, and Robert Andersson. "Underlag för flexibla och hållbara akutbostäder i Sverige." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-97645.
Full textThe purpose of this project is to develop a flexible and sustainable proposal forproduction of emergency housing for homeless people in Sweden. This study will alsosuggest what should be considered in terms of materials and solutions in flexible,emergency housing for structurally homeless in society.The result shows that a flexible housing can be used for more than just emergencyhousing for the homeless. It could also be used as rental housing, senior housing or otherhousing needed. Through interviews with property owners and government officials, a listof requirements has been compiled based on their work experience.The thesis can be used as a foundation for further investigation in construction of emergency housing. Architects and other consultants involved in the building industryshould be interviewed to obtain a reliable result.
Karlsson, Emilia, and Ellinor Håkansson. "Integrering av kontorsarbetsplatsen i framtidens bostäder." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-104666.
Full textHansson, Emily, and Simon Levin. "Bygga och förvalta hållbara fastigheter - Incitament, svårigheter och möjligheter." Thesis, Malmö högskola, Fakulteten för kultur och samhälle (KS), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-21014.
Full textGlobal warming is one of the greater problems of our time and it requires effort in various fields to achieve the set climate targets. The construction industry is of great importance to improve to achieve the objectives, since a large part of the global energy consumption has to do with buildings. For the meantime, recent large refugee movements in Sweden puts the country to test and new innovation to solve the issues of housing shortage and integration is required. Construction companies relate high cost to sustainable construction and that this cost does not pay off, especially in the short term. Incentives for building sustainable must be identified and highlighted to increase interest in sustainable building. It is uncertain if the construction company will profit from investment since it is the residents who will attain lower energy costs. The aim is to analyze the incentives, difficulties and opportunities that exist to build and manage sustainable real estate. The thesis consists of a theoretical framework, literature overview, empirical evidence in the form of an interview study, analysis and conclusions. Semi-structured interviews were conducted with environmental and sustainability managers and other persons with similar roles in real estate companies, housing companies, housing developers and construction companies in Sweden. Seven persons were interviewed based on questions about which incentives, difficulties and opportunities that exist to build and manage sustainable real estate. The result shows that environmental certification is perceived to be a requirement in order to stay on the market. Certification of social sustainability is lacking and is something that is desirable as several respondents perceive social sustainability as the future while ecological sustainability is a requirement.
Schmitz, Anna. "Markägarförhållandens påverkan på hållbara stadsbyggnadsprojekt : En fallstudie av två projekt i Täby kommun." Thesis, KTH, Urbana och regionala studier, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-229818.
Full textSvensson, Malin, and Frida Ullman. "Våningspåbyggnad på befintligt byggnadsbestånd - Ett sätt att möta efterfrågan på centrala bostäder." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Byggnadsteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-21600.
Full textKaram, och Mariroos, and Naba Al-Tamemi. "HÅllbar elproduktion i bostäder- Kartläggning av Sveriges elproduktion." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-84473.
Full textAll kind of electricity that humans use has a negative impact on the environment and contributes to the climate change. The majoritity of the electricity use is in the building houses and this contribute 20 procent of sustainability. It is important to understand what sustainability is. Gro Harlem defined “Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs”.Sustainability can be composed in three different elements, which are economic, environmental and social. These three aspects have impact on the data needed to be considered when analysing sustainability but also when assessing the value of sustainability in a building. These elements should be considered simultaneously in order to conduct an efficient sustainability development (Chong, Lee, Wang. 2016).According to Gro Harlems definition about sustainability we can implement this to the energy use. Sustainable electricity production must meet the humans needs without negative environment effect or the possibility to the next generations electricity use.Renewable energy sources could produce electricity without an end.Sweden participate to Agenda 2030 and must fulfill the 17 goals to achive the requirements for sustainability.A goal that Agenda 2030 includes is to achive is that all the electricity use have to be produced by the renewable energy sources.According to the “sustainable buildings market study” made by Ramboll (2019), the construction industry is responsible for a third of greenhouse gas emissions and 40 percent of the global energy use. There are different ways of evaluating and grading buildings according to their environmental performance.This report will analyze if it is possible to achive the goals in Agenda 2030 to contribute for sustainable electricity production for the houses in Sweden. Sweden has the knowledge about the negative environment effects because the electricite production and use. This report will help people to understand the connection between sustainable development, energy production and the electricite use.After all simulations were made, the conclusion of the project is that the whole life cycle assessment of the energy production is not included and a lot of factors that have a direct impact on the ecological footprint is missed out. Because of the enormous impact the construction industry has on the environment, harder requirements must be set on the whole building life cycle. This in order to achieve the goals for Agenda 2030.
Carl, Hane, and Nihlås Adam. "Existerar en ökad efterfrågan för hållbart byggda bostäder på dagens fastighetsmarknad?" Thesis, Malmö universitet, Institutionen för Urbana Studier (US), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-45883.
Full textBroms, Arvid. "Vad kan man göra för att på hållbart sätt minska värmekostnaderna för bostäder?" Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264522.
Full textSolar cells, or photovoltaic cells, can capture the sun's light and convert this light into electric current. Its current can be used to operate systems that have a need for electric energy. This is what can create savings for the examined properties when it comes to heating, which in this case is what 60 percent of the total cost for the properties accounts for. The problem to be solved is thus a cost problem that the property owner wants to solve with the help of solar cells. By looking at existing solutions and screening out those that were not reasonable, it turned out that no solutions that were addressed in this report passed the requirements that the client had, but a recommendation to look more closely at an exhaust air system has been given to the property owner. Solar cells on roofs with several families below probably do not provide the amount of energy required for heating, this quantity may only be used for household electricity or stairwell lighting, but the future looks bright and hopefully solar cells will be on each rooftop to jointly work towards a fossil-free future.
Haraldsson, Malin. "Förtätning av bostäder vid järnväg : lättare sagt än gjort." Thesis, Blekinge Tekniska Högskola, Institutionen för fysisk planering, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-12002.
Full textLindgren, Ida. "Hållbar lokalisering av nya bostäder på landsbygd : En fallstudie över Skärplinge i Tierps kommun." Thesis, Högskolan i Gävle, Samhällsbyggnad, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-36857.
Full textThe aim of the study was to examine how GIS-based multicriteria analysis can be used to propose a sustainable location for new buildings in rural areas. The Covid-19 pandemic has challenged behavior patterns and values. Social distancing and remote work have become the new normal and there is reason to believe that remote working will be more accepted when the pandemic is over. There was an upward trend of population growth in rural communities close to urban areas even before the Covid-19 pandemic. If the attraction for housing in rural communities increases, it will be important to consider how a new establishment of buildings can take place in a sustainable way. A case study was conducted over a small rural community. Focus for the study was identification of challenges from a sustainability point of view and conside-ration of the most important criteria when locating new houses. Place ana-lysis, questionnaire and interview were methods used to select criteria for the GIS-based multicriteria analysis, and evaluation of the results. A simplified sensitivity analysis was performed to assess the robustness of the chosen method and impact of criteria weighting on the result. Five sites with an area larger than 1000 m² were pointed out in the analysis as the most suitable for new housing. In the evaluation of the sites, they all turned out to have short-comings that were overlooked in the analysis. When the result was expanded to include even the second-best places, several of the places showed potential for new housing establishment. The conclusion of the study was that GIS-based multicriteria analysis involves many uncertainty factors and study area conditions must be considered then criteria choices are made for the result to be reliable. The result of the analysis needs to be carefully evaluated and de-cision-makers should not only concentrate on the places with the highest value in the analysis but maintain a broader perspective and evaluate the second-best places as well. A criteria spectrum including both environmental, social, and economic aspects of sustainability increase the probability for the proposed locations to be truly sustainable. GIS-based multi-criteria analysis can be a valuable tool in finding a location as sustainable as possible for new housing in rural areas, if used correctly.
Quennerstedt, Therese. "Miljö- och klimatåtgärders betydelse för kunder vid köp av nyproducerade bostäder." Thesis, Högskolan i Gävle, Avdelningen för ekonomi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-12401.
Full textEriksson, Robin, and Alexander Johansson. "Energieffektivisering av bostäder : En analys av åtgärder som kan förbättra energiprestandan i flerbostadshus." Thesis, Högskolan i Halmstad, Energiteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-25743.
Full textCalderon, Rebecca. "Hållbart boende : Värdesättning och betalningsvilja för miljöcertifierad bostad." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-21598.
Full textIn the building and real estate sector, one-third of the total final energy is used for buildings in Sweden. The EU Commission has, through the Energy Performance of Buildings Directive, decided that all new produced buildings must be nearly zero energy buildings by 31 December 2020. In combination with increased environmental awareness, the higher demands concerning the environmental performance of buildings increases, where environmental certification systems on dwellings have become increasingly common in Sweden. For a long-term sustainable development, the changes in human lifestyle and behaviors should also be considered. The study aims to analyze how residential customers´ on the Swedish market´s valuation of sustainability aspects in dwellings and the neighborhood, how well the existing rating certification systems Miljöbyggnad, Svanen, FEBY18 and PHI for buildings cover the valuated aspects and the willingness to pay (WTP) for a certified building. Four surveys have been carried out, with total 601 responses received from potential residential customers, to Derome Hus AB, residents of certified passive houses and Svanen-labeled small houses. The survey shows that there is a demand for environmental certification on buildings among residential customers. Most of the respondents in the study, whether they were living in a certified building or not, stated that they were willing to pay an additional cost of up to 5 % for an environmentally certified building. Most respondents in the study valuated five aspects high in a dwelling; low use of energy, good noise environment, good indoor climate, good access to daylight and energy-efficient appliances. Those with the highest WTP to a higher extent valuated environmentally labelled interiors, environmentally assessed building products in the building, charging stations for electric cars, easily accessible possibility of sorting a source and bicycle storage compared to those who had a lower WTP. For the group of potential residential customers, the results show a co-variation between the number of aspects that the respondents valuated and the WTP. Thus, with an increased WTP, the respondents valuated an increased amount of aspects. Owners living in already certified buildings valuated more aspects regardless of the WTP. The study provides increased knowledge about which aspects residential customers valuate, both concerning sustainability and the willingness to pay.
Hodell, Johan. "Val av energisystem för en hållbar stadsdel : En fallstudie av Östra Sala backe." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-247356.
Full textUppsala kommun har ambitiösa mål i uppförandet av en hållbar stadsdel i Östra Sala backe. Dekommande 10-15 åren ska totalt fyra etapper genomföras och resultera i 2 000 nya bostäder. Åttabyggherrar har valts ut för att bygga bostäder, förskola och äldreboende i en omfattning om 55 000 m2i Etapp 1. I detta arbete har områdets energisystem modellerats där bedömningsparametrarnakoldioxidekvivalenter, primärenergianvändning och ekonomi har analyserats.Planerad energianvändning har delats upp på behov för tappvarmvatten, uppvärmning och el för entypisk dag i månaderna mars, juni, september och december. Dessa valdes för att begränsaomfattningen av beräkningar och samtidigt få med Uppsalaklimatets säsongsvariationer. För atttillgodose behoven har olika energitekniker analyserats med hänsyn till deras miljöprestanda ochmedförda kostnader.De energikällor som studerades var fjärrvärme, värmepump, biobränsle, solceller, solfångare ochsmåskalig vindkraft. Fjärrvärme, värmepump och biobränsle i pelletsform utgjorde basen till trereferensscenarier för värmeförsörjning. Energiutbyte från solceller och solfångare simulerades iprogramvarorna PVsyst respektive ScenoCalc för att erhålla produktion av el och värme medtimupplösning för de fyra dagarna. Till varje referensscenario lades solceller och solfångare till en åtgången, vilket totalt gav nio olika scenarier som låg till grund för resultatet. Vindförhållandena inomUppsala stadsgränser visade sig vara otillräckliga för att småskalig vindkraft skulle vara aktuellt, varpåden tekniken uteslöts från vidare beräkningar i ett tidigt skede.Värme- och elbehov räknades även de fram på timbasis för de fyra dagarna varpå produktion frånsolenergi kunde användas för att beräkna nettobehov för bostäderna. De olika energislagens kostnaderoch miljöprestandafaktorer multiplicerades med antal kWh och värden kunde fås för totalprimärenergianvändning, koldioxidutsläpp och livscykelkostnad.De flesta byggherrarna har angivit att fjärrvärme är deras förstahandsval som värmesystem. Resultatetindikerar på att detta inte nödvändigtvis är det bästa alternativet inom de tre bedömningskategorierna.Tillsammans med solceller är just fjärrvärme mest fördelaktigt gällande primärenergianvändning.Inom kategorin koldioxidekvivalenter ger biobränsle med solceller lägst utsläpp. Mestkostnadseffektivt visade sig värmepump kombinerat med solceller vara. Energisystem för en hållbarstadsdel bör, enligt resultatet i denna rapport, väljas utifrån vilken eller vilka parameter man anserviktigast. En av slutsatserna är att solceller är lönsamt ur alla perspektiv och rekommenderas oavsettvärmesystem.Beräkningar i detta arbete är delvis beroende av olika antaganden. Ändras förutsättningarna frånbyggherrarnas sida, lagar eller egenskaper hos de olika energislagen kan det verkliga utfallet kommaatt skilja sig från resultatet i denna rapport.
Blomgren, Jonatan. "Ulvsunda Silo : Omformning av Pripps bryggeri till bostäder." Thesis, KTH, Arkitektur, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-100147.
Full textLarsson, Christopher, Martin Pettersson, and Sinisa Milojevic. "Bygga bostäder på vinden – ett hållbart alternativ? : En studie om att inreda vinden på bostadshuset Karlsborg 5." Thesis, Jönköping University, JTH, Civil Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-10476.
Full textBostadsbristen i de tätbebyggda områdena blir idag allt påtagligare och studenter är oftast de som drabbas hårdast. Byggandet av nya bostäder pågår runt om i landet men med alldeles för långsam tillväxt. I städerna minskar de centralt belägna markreserverna och ny bebyggelse förläggs allt längre från stadskärnorna.
Ett alternativ till att minska bostadsbristen och att eftersträva en förtätning av innerstaden kan vara att utnyttja de befintliga råvindar som ofta finns i äldre byggnader med brantare tak. När är det lönsamt att bygga om en råvind till en vindsvåning? Vilka regler och krav måste följas?
Bostadshuset Karlsborg 5 på Tegnérgatan 13 i Jönköping förvaltas av HSB Gambrinus. Syftet med detta examensarbete är att ta fram hållbara förslag till en ombyggnad av den råvind som finns i bostadshuset.
Arbetet avgränsas mot utformning av studentlägenheter. Olika förslag utreds där för- och nackdelar analyseras ur ekonomiska och sociala aspekter för att kunna bestämma projektets lönsamhet.
För att få en fördjupad förståelse om vindar och på så vis kunna utföra ett professionellt arbete för HSB gjordes en förundersökning om vindar. Litteraturstudier och internetsökningar har utförts för att samla kunskap om de förutsättningar och begränsningar som kan finnas vid vindsombyggnader. För att kunna utreda de regler och krav som uppkommer när en vind byggs om har olika personer på Jönköpings kommuns stadsbyggnadskontor intervjuats och Boverket har kontaktats. En byggkonsult och en VVS-konsult har kontaktats för att hjälpa till med bygg- och installationstekniska lösningar i huset.
Utformningsförslagen mynnade slutligen ut i tre olika förslag. I det ena förslaget används vinden som etagevåning där mindre studentrum är förlagda på vindsplanet. En invändig trappa förbinder vindsplanet med den mellanliggande lägenheten på tredje planet. I de två andra förslagen byggs fyra studentlägenheter på vindsplanet. Det ena alternativet innefattar en hiss som stationeras i de norra lägenheternas befintliga sovrum, medan det i andra alternativet byggs ett nytt hiss- och trapphus utanpå bostadshuset.
Genom kalkyler och antaganden har olika ekonomiska situationer erhållits för de olika förslagen.
”Etagevåing med inomhustrapp” resulterar i en investeringskostnad på4 003 000 kr med årliga intäkter på ca 223 000 kr/år.
”Hiss i befintliga sovrum” resulterar i en investeringskostnad på4 619 000 kr med årliga intäkter på ca 307 000 kr/år.
”Utanpåiggande hiss - och trapphus” resulterar i en investeringskostnad på5 408 000 kr med årliga intäkter på ca 350 000 kr/år.
Housing shortage in densely built-up areas is becoming more substantial and students are frequently being most affected. The building of new residences is in progress aound the country but the increment is way too slow. Central located land resources in the cities are decreasing and new development is being located farther away from the city centre. One option to reduce the housing shortage and to strive after a densified inner city could be by making use of the existing attics whom are common in older buildings with a high-pitched roof.
When is it profitable to transform an empty attic to an attic storey? What regulations and demands needs to be followed?
The residential building Karlsborg 5 on Tegnérgatan 13 in Jönköping is conducted by HSB Gambrinus. The purpose with this examination paper is to develop sustainable projects for a refurbishment of the attic in the residential building.
The essay is delimited against building student accommodations. Several projects is straightened where advantages and disadvantages are being analyzed to be able to set the profitability of the project.
To get a deepened understanding about attics and therof being able to fulfill a professional work for HSB a pilot study about attics were made. Literature studies and internet research has been made to gather knowledge about conditions and limitations whom are common in attic constructions. To be able to investigate the regulations and demands arising when refurbishing an attic several people in the Town Building Office in Jönköping has been interviewed and the Building Administration has been contacted. One building consultant and one HVAC consultant has been contacted to help out with building- and installation technology solutions.
The layout projects fell into three different proposals at last. In one proposal the attic is being in use as a duplex apartment where smaller halls of residence are located on the top floor. An interior stairway connects the top floor and the intermediate apartment on the third floor. In the other two proposals four separated student accommodations are being built in the attic. One alternative involves an elevator which is located in the existing bedrooms of the north apartments, while a new elevator and stairwell are being built outside the residential building in the other alternative.
By means of calculations and assumptions different economical situations has been compiled for the different projects.
“Duplex apartment with interior stairway” result in an investment expenditure of 4 003 000 kr with annual incomes of approx 223 000 kr/year.
“Elevator in existing bedrooms” result in an investment expenditure of 4 619 000 kr with annual incomes of approx 307 000 kr/year.
“Externally lying elevator and stairwell” result in an investment expenditure of 5 408 000 kr with annual incomes of approx 350 000 kr/year.
Fröberg, Niklas, and Elias Mehdipoor. "Hur kan installationen av smarta elnätstjänster i bostäder bidra till ökad efterfrågeflexibilitet?" Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-284333.
Full textAs innovation and society continue their growth, electrification is increasing rapidly. To achieve several of the environmental goals set by the Swedish Parliament, a transition to an electricity system based on electricity from renewable sources is also required. The increasing electrification entails not only increased demands on the amount of electricity produced, but also the ability to transport it. Increased load on the electricity grid creates bottlenecks and capacity shortages in larger cities and regions, which makes it difficult to establish, among other things, new factories and residential areas, which slows down the development of society. To solve this capacity shortage, the Swedish electrical grid needs to be expanded. However, this is a relatively slow process, which places demands on innovative solutions that can relieve the electricity grid, both short term and long term. Such a solution is an increased demand flexibility, which means that certain power-demanding activities are moved to times of the day when the grid is less congested. By using smart grid technology, consumers can get information about electricity prices in real time and thereby adjust their electricity consumption and benefit from lower electricity prices and greater access to renewable energy when the top load on the electricity grid is lower. The purpose of this study is to investigate how such smart grid services can result in increased demand flexibility in homes, and whether this demand flexibility can help counteract the capacity shortage in the Swedish grid. To investigate this, a literature study focusing on behavioral changes linked to sustainable development, and four qualitative interviews with relevant actors in the energy industry, have been conducted. The results from the literature study have been analyzed to investigate whether or not they are applicable to smart grid services to achieve increased demand flexibility. The qualitative interviews have been summarized and analyzed to examine what issues there is agreement and disagreement in among the industry's players. After analysis and discussion, the study shows that smart grid services linked to residential electricity consumption have the potential to achieve increased demand flexibility and that this demand flexibility can contribute to reducing capacity shortage. However, this should not be seen as a universal solution but as one of several necessary solutions to tackle the problem.
Mattsson, Emil, and Nima Shahsavar. "Bostad Sökes : En studie om att främja billiga bostäder i nyproduktion genom kommunal markpolitik." Thesis, KTH, Urbana och regionala studier, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-233560.
Full textThe balance between supply and demand of housing has an impact on the ability of different groups to establish themselves in the housing market. Even though housing construction has the highest levels in many years, there are clear indications that it has become more difficult for low-income households to find housing. This study shows that new housing construction does not correspond to the current housing needs and that housing for low-income households does not appear to be on the planning agenda. The issue has been highlighted by several stakeholders in the housing market and housing for low-income households is considered to be one of the biggest contemporary challenges of the housing market. This study aims to investigate the possibilities for the municipality to create conditions for an equal housing market in the Region of Stockholm, by raising the regional perspective in planning and create conditions for a sustainable region. More specifically, the study aims to facilitate the construction of cheap housing, primarily in the form of subsidies through municipal land policy, in order to promote housing for low-income households in the housing market. Three municipalities in the region have been investigated in this qualitative study. The empirical material is based on semi-structured interviews with municipal officials from these municipalities, backed up by a document study of municipal policy documents. The conclusion is that there is a discrepancy between supply and demand in the housing market, when it comes to housing for low-income households. How the municipalities work to address this varies and can be divided into general efforts, that aim for high-quantitative construction or special efforts aimed at reducing production- and housing costs. The fact that general efforts were used more frequently among the municipalities surveyed in this study, coupled with the fact that housing costs are problematised to such a small extent, gives the impression that new construction is not a realistic alternative for low-income households, and thus that the reliance on chains of residential mobility are very high. Although there is a criticism of the special efforts that take place in the municipalities, which is on the fact that simple standard housing solutions with low construction costs do not necessarily have to lead to lower prices/rents, yet a continuous addition of such housing solutions can keep prices and rents in the housing market down in the longer term. Both the theoretical- and empirical material shows a correlation between production costs and housing prices, however if housing is to be subsidised it is important to ensure that it is directed to the intended households. Therefore, there is a reason to combine subsidies with different forms of clauses that assure the municipality against misuse of the system. This increases the importance of the distribution of housing.
Olson, Petter. "Vad krävs för en halverad energianvändning i Sveriges bebyggelse till år 2050? : En backcasting studie med sex scenarion för en hållbar energianvändning i den svenska bostads- och servicesektorn." Thesis, KTH, Industriell ekologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-210732.
Full textIn Sweden, the dwelling and service sector accounts for approximately 40 percent of the total energy use. Up until 2012, the parliament had a specific goal to reduce the energy use by half in the sector to 2050. While waiting for a new goal to be set however, the parliament states that the implication of the goal remains. The energy use shall be reduced by half before the year 2050. This report is a back-casting study that has the aim to analyze what it takes to reach the goal by focusing on four main measures; new construction, reconstruction, gradual improvement and more efficient use of the heated areas in residential buildings. Six scenarios have been set up, one for every main measure and two scenarios that combine the other four. The result shows what path might be best to choose and that extensive and rapid transformationis necessary to reach the goal. These contributions affect all the involved actors as well as stakeholders on all the different levels of society. Resulting reductions in carbon dioxide emissionsdue to the decrease in energy use have also been calculated. The potential reduction can become significant in size and contribute to making Sweden a pioneer in the transformation to asustainable society.