Eco-towns: Hammarby Sjöstad, Sweden
A benchmark for brownfield developments

What were the outcomes?


Connectivity

A number of transport initiatives are in place in Hammarby. Alongside public transport, which includes a free ferry across the lake, a car pool scheme has attracted 10% of residents. 75% of the 30 cars in the pool scheme run on biofuels.

 Environmental goals for transportation in Hammarby Sjöstad by 2010

• 80% of residents’ and workers’ journeys shall be by public transport, on foot or by bicycle by the year 2010.

• At least 15% of the households in Hammarby Sjöstad shall be signed up to the car pool by 2010.

• At least 5% of the area’s workplaces shall be signed up to carpools by 2010.

• 100% of heavy transportation shall be by vehicles that meet current environmental zone requirements.



Environment
An initiative called ‘The Glass House’ provides a mechanism for consultation and ongoing engagement with residents and businesses about transport and other environmental issues, seen as key to the success of the sustainability of the area.

A tram on a city street In Hammarby
An effective public transport system has discouraged the use of cars









On the ground, a number of approaches to energy conservation run in parallel:

• Solar cells and panels have been installed in buildings throughout the area. However, the biggest advances are in the area of district heating and district cooling. By removing small amounts of heat from water effluent at the water treatment plant, district heating (by distributing the collected heat) and district cooling (by circulating the cooled water) is achieved.
  
• Sludge resulting from water treatment is used to produce biofuel for cars and buses, as well as to power around 1000 gas stoves.


 
• Storm-, rain- and melt-water are collected and treated in the area, transported via three decorative canals. The “water ladder” received a prize from the Swedish Association of Architects in 2005.


Theming and character
Adhering to the principle of creating a townscape, the buildings vary in height from six to eight stories along the main corridors and four to five along the Sickla canal. Attention to detail and a considered approach have contributed to the success of such dense housing. The consultation over plans for each district has produced light, high-ceilinged homes with open plan layouts, balconies and views of water and parks. There are high quality open spaces for public use.

Map of Hammarby
The settlement was carefully planned to explore relationships to water










Community and the public realm
Much of the success of Hammarby Sjostad can be attributed to the Glass House - a conscious effort to promote the dialogue between public authorities, developers and residents needed to change attitudes and shape minds towards sustainable living. It provides specialist advice (and a forum for discussion) on how best to use the new technologies on site and learn to conserve resources.



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Topics associated with this project

BrownfieldEco-townEnergyEnvironmentalHousingInternationalPartnership workingPlanningProcess ManagementTransportVisioning