Study: Sustainable building will continue to grow rapidly
Published
The number of sustainably constructed buildings worldwide will double by 2018. This is the conclusion of the study "World Green Building Trends 2016", which was published this week by the market research organisation Dodge Data & Analytics. Over 1,000 architects, engineers and construction experts from 69 countries took part in the study, which impressively underlines that a lot has happened in terms of sustainability in the global construction and property market.
Berlin, 9 July 2018. "We must break new ground in housing construction" - this is what 18 mayors of the "Sustainable City" dialogue demand in their Resolution paper "More sustainability of building land and soil policy".. The mayors call for the causes of the housing shortage to be addressed and for sustainable solutions to be developed in the long term. Simply sealing up natural landscapes and agricultural land would be to the detriment of future generations in cities and rural areas. A key role in the sustainable, equitable and inclusive development of local communities would be played by building land and soil policy. The heads of administration want to make affordable housing possible, guarantee a supply of day-care centres and green spaces close to home and protect natural resources. Internal development must take precedence over external development.
"Affordable housing cannot be realised in the long term without a fundamental further development of land policy. Our Basic Law puts it succinctly: property has an obligation," says Marlehn Thieme, Chair of the German Council for Sustainable Development. "In addition, the central importance of local authorities in the implementation of the global and national sustainability goals is repeatedly emphasised. This must then also be reflected in concrete policies and thus in the legal and financial framework conditions for sustainable development in the municipalities," says Marlehn Thieme.
In many places, the housing shortage is also exacerbated by the fact that land ready for construction remains unused for years. In the opinion of the mayors, it should be easier and quicker for the municipalities to mobilise these plots of land for reasons of sustainability. The municipalities should also have a right of access to such plots, which are an obstacle to the creation of inner-city housing or social infrastructure facilities close to residential areas. Specifically, the resolution paper goes on to say: "When granting building rights in accordance with § 34 BauGB, the municipality should be enabled to share in private profits that arise significantly from this."
The municipalities are already doing a lot to make housing affordable. But they could and want to do even more with an active municipal land policy and call on the federal government to improve the legal and financial framework for this. Furthermore, the federal government should specify which federally owned land is to be made available for social housing construction. In addition, the mayors demand that the facilitated designation of land in external areas be withdrawn, as it undermines the effective control of the Building Code, runs counter to the objectives of sustainable urban development - compact, mixed-use, with short distances - and integrated planning, and increases the long-term costs of maintaining the infrastructure.
The joint resolution paper "More sustainability of building land and land policy" is the result of the meeting of the Lord Mayors held on 14 June 2018 as part of the Sustainable City Dialogue. The German Council for Sustainable Development has supported the dialogue since 2010.
The district of Paderborn has achieved a climate target that can currently only be dreamed of nationwide. It has a green electricity supply of more than 100 per cent. This year, with the help of wind, sun, biomass and water, for the first time as much renewable electricity is being generated as is being consumed. Since the end of June, it has been exactly 112 per cent.
Annual consumption: 2.3 billion kilowatt hours
This is what the State Association for Renewable Energies in OWL determined. The association used figures from the State Agency for Nature, Environment and Consumer Protection (LANUV) as well as current data from the district of Paderborn. According to these figures, the more than 500 wind turbines, 11,500 photovoltaic systems and 53 biomass power plants generate slightly more electricity on an annual average than private individuals, trade and industry in the district of Paderborn require over the year: Almost 2.3 billion kilowatt hours.
Second place for Höxter district with 63 per cent green electricity
This puts the Paderborn district in the Champions League nationwide: "There are very few regions that already fulfil the 100 per cent green electricity quota - in NRW, we are the first and so far the only one," says Kerstin Haarmann (Paderborn), Managing Director of LEE OWL. This is particularly remarkable because the district of Paderborn has a national average electricity consumption due to its share of industry. Smaller districts with little industry and commerce would naturally find it easier to reach 100 per cent. In a comparison of East Westphalia, the district of Paderborn is the lone leader: the district of Höxter is in second place with 63 per cent green electricity, followed by the district of Lippe with 23.5 per cent, Gütersloh with 20.8 per cent, Minden-Lübbecke with 17 per cent and Herford with 6.5 per cent. Bringing up the rear is the city of Bielefeld with a 4.5 per cent share of green electricity in electricity consumption.
Renewables account for 27 per cent of total energy demand
The district of Paderborn has even achieved its climate target, which was unanimously approved by the district council in 2011, ahead of schedule. The plan was for electricity consumption to be completely renewable by 2020. "However, we don't have time to rest on our laurels in the fight against climate change," explains Jürgen Wrona (Delbrück) from the LEE OWL board. Measured in terms of total energy demand (electricity, heat and transport), the proportion of renewables in the Paderborn district is currently only around 27 per cent. "There is room for improvement, especially in the areas of heating and transport," says Wrona.
Source: Press release from the NRW Energy Agency dated 8 August 2018
The Rosenstein urban planning competition recently ended with the decision on the winning design. First place went to the Stuttgart-based asp Architekten/Koeber Landschaftsarchitektur consortium. Detlef Kron, Head of the Office for Urban Planning and Housing, opened the exhibition on the Rosenstein competition in the Church of St. Maria at Tübinger Straße 36 in Stuttgart on Friday, 27 September, at 5 pm.
Dr. Detlef Kron (right), Head of the Office for Urban Planning and Housing, opened the exhibition on the urban planning competition. Also present were Cem Arat from the winning Stuttgart consortium asp Architekten/Koeber Landschaftsarchitektur (centre) and Domenik Schleicher, lay chairman of the St. Maria parish council. Photo: Thomas Wagner/City of Stuttgart
At the opening event, Kron said: "The Rosenstein urban planning competition was a complete success: with over 50 submissions from international planning offices, the city of Stuttgart has received a wide range of design ideas for the future Rosenstein quarter. So that the people of Stuttgart can now also get a picture of them, we will be exhibiting the results in the Church of St. Maria over the next four weeks."
The Office of Urban Planning and Housing is displaying all the submitted works from the competition in the exhibition. In addition to plans, drawings, and information about each submitted proposal, revised first and second place models will also be on display. The exhibition will be open for viewing daily (except October 3) between 10am and 6pm until October 25, 2019. Admission to the exhibition is free of charge.
Since 2017, the parish of St. Maria in the south of Stuttgart has made its church available for events other than church services. Whether theatre, café, gallery or marketplace - for two years now, the church of St. Maria has been tested as a space for togetherness with the implementation of various event formats.
Urban planning competition 2018 and public participation
In summer 2018, the city of Stuttgart announced the "international open urban planning competition Rosenstein - Ideas for the new district". The aim of the planning competition was to obtain an urban and open space planning design as a model for the future development of the Rosenstein district. A total of 54 international planning offices took part. Beforehand, citizens were able to contribute their own wishes and ideas for the Rosenstein Quarter at various information events and workshops held by the City of Stuttgart. These were incorporated into the competition.
The Rosenstein development area is currently considered the largest construction project to be realized in Stuttgart in the near future. It stretches between the main railway station, Nordbahnhofviertel, Rosensteinpark and Schlossgarten and offers 85 hectares of space for future-oriented living and working in the heart of the city. The Rosenstein Quarter is to be developed into an urban and mixed district with a high diversity of uses, attractive public spaces and internationally renowned cultural offerings. In addition, the quarter is to be developed under climate-friendly aspects. In addition to the expansion of the parks, the guiding principle of the energy-plus quarter plays a major role: the future buildings should generate more energy than they consume.
Exhibition in the Glass Office
Currently, the designs of the winning office asp Architekten/Koeber Landschaftsarchitektur are also on display at the Info-Laden Rosenstein auf der Prag e.V.. The exhibition in the Gläsernes Büro at Nordbahnhofstraße 81 can be seen until October 12, always on Mondays and Wednesdays between 5 and 7 p.m., Saturdays from 10 a.m. to 12 p.m. and by appointment.
Constance receives project funding for "Hafner KliEn" from the Federal Government's 7th Energy Research Programme
The city of Constance strives for sustainable urban development. In the area of energy policy decisions and climate protection, this should include consideration of the triad of sufficiency, efficiency and substitution. This also and above all applies to the new Hafner district, which, in addition to 15 hectares of commercial land, also includes around 45 hectares of residential land.
Here, it is the city's declared goal to develop a climate-neutral neighbourhood in the overall balance. Early on in the process, relevant foundations were laid at the planning level and in the processes in order to think about this goal in an integrated way with all relevant subject areas and to develop corresponding concepts.
The research project "Hafner KliEn" aims to develop transferable concepts and practical solutions. The project title "KliEn" is composed of the goal "Hafner, climate-neutral and energy-efficient". For the first time in Germany, the feasibility of achieving these goals is being demonstrated in a neighbourhood of this size. An integral conceptual approach is to be developed that considers the entire life cycle of buildings, infrastructure and operating phase in a total system context. With a detailed project description, the City of Constance - supported by the Steinbeis Innovation Centre from Stuttgart - together with other partners from science and practice applied in January 2020 for funding within the framework of the 7th Energy Research Programme of the German Federal Government. At the end of November, the funding for the entire research network was approved for a total of two million euros. "We are very pleased about the recognition for the most sustainable and largest neighbourhood in Constance. The funding of 2 million enables us to tackle this ambitious goal with numerous partners. We are creating affordable housing for about 6,000 people in ecologically and energetically exemplary construction. The goal of climate neutrality is forward-looking. Especially against the backdrop of urban change, this project is of utmost importance for the housing action programme," says Karl Langensteiner-Schönborn, Mayor of the City of Hamburg, about the commitment.
In addition to the city administration, the following partners are involved in the project: The Steinbeis Innovation Centre, Stadtwerke Konstanz, HTWG and the University of Konstanz. The project partners are also pleased about the funding commitment. Dr. Norbert Reuter, Managing Director of Stadtwerke Konstanz, is one of them: "The funding enables us to develop a largely climate-neutral neighbourhood for the largest settlement expansion area in the city of Konstanz. We are very pleased to be able to help shape this path for the important areas of energy and heat supply as well as mobility." Further information on the Hafner and the "Hafner KliEn" research project at www.neuer-stadtteil.de
Source: PM of the City of Constance from 1.12.2020
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