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Sustainable Housing

Geography presentation

Andrés Gutiérrez

on 25 January 2013

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Transcript of Sustainable Housing

Sustainable Strategies: BedZED is one of the UK’s largest sustainable communities, and can be considered the prototype for the One Planet Communities programme all around the world. Sustainable Housing: Case Study: London Bedzed Pavillion. Completed in 2002, BedZED is now home to around 220 residents living in 100 houses and 2,500 m2 of community space. Key initiatives and strategies:

Planning gain – increased density through provision of gardens on rooftops Thermal efficiency – reduce space heating by 80% over conventional homes through passive solar heating with conservatories made of triple glazing, super insulation and passive ventilation through wind-driven cowls on the roof Increased energy efficiency – Energy efficiency appliances with visible measures to show the residents the energy consumption to make them aware, there is good daily light design. Increased water efficiency – water efficient appliances, rainwater collection for toilet flushing, irrigation, treatment of waste water on-site Green travel plan – with pedestrian/cyclist priority, reduced availability of car parking from 160 spaces to 100 spaces, there is promotion of public transport. Solar panels to charge electric cars. Renewable energy – meet all remaining energy needs through on-site generation of renewable energy using an experimental wood-fuelled as combustion combined with heat power system and solar panels Construction – recycled materials and local sourcing policy to reduce carbon emission Quality of life in bedZED At BedZED the use of car is every time less with the road and parking placed at the edge of the community and pedestrianised areas in the centre. Children can safely play outside and as residents walk about they can meet and chat with their neighbours without having to compete with traffic noise. http://www.ted.com/playlists/28/sustainability_by_design.html
http://www.ted.com/talks/rachel_armstrong_architecture_that_repairs_itself.html Strategies in all aspects of our life that will use resources in a way that they would be replenished without major negative consequences and hence be used by future generations. To do so there are various aspects to take into account. Production of materials /procedure, origin. Energy efficiency Waste residue Renewability of materials. Strategies:
solar energy
eolic energy
hydroelectric energy
local materials to decreases Co2 emissions by transport
materials that don't generate that much Co2 in production process
Energy efficient insulator in walls and windows as well as environmentally friendly.
Waste management and reuse. Solar Tiles Wool Bricks Sustainable Concrete Triple-Glazed Windows Paper Insulation Results The average BedZED residents’ CO2 emissions residents only emit 6 tonnes, compared to the UK average of 11.9 tonnes per year, Electricity use is very low - 45% lower than in the local area, hot water for washing and heating is a 81% less and water use is 40% lower. The total development costs for BedZed sum up to € 17 million: construction costs (€ 14 million) Trying to reach a lower ecological footprint than London being 4.64 gha per person, if no carbon energy is used could reach to 4.32 (2.4) planets. In further years its expected to get to 3.0 (1.7 planets) if the ideal concept is improved and continued Expensive Project
Economic solution for people (less costs for resources)
Ideal housing system
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