PUBLIC SECTOR SUSTAINABILITY
NEW KINGSTON HOMES GET HEATING DIRECT FROM THE T
system in an official launch of the innovative, renewable system. The £70 million mixed-use
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development has been created by NHP Leisure Developments on the site of a former power station right in the heart of Kingston upon Thames, and 200 metres from the banks of the river.
The development includes 56 homes called Kingston Heights for national affordable housing provider Affinity Sutton, plus 81 luxury private apartments known as River Walk provided by Redrow London. the 137 apartments, built by specialist contractor and developer, United House, will all benefit from the cutting-edge heat pump system that harvests naturally stored energy from the River Thames. The community heating scheme takes renewable heat from the sun, stored in the river water and boosts it to the temperature required for the underfloor heating and hot water needed by residents: “At two
dward Davey, the Secretary of State for Energy and Climate Change, today paid a special visit to the site to switch on the heat pump-based heating
A new eco-friendly housing development in London is getting the energy for its heating and hot water directly from the Thames in a pioneering community heating scheme that could be replicated in many of our major towns and cities.
metres below the surface the water never falls below 7°C, even in winter, so we can be certain that it can provide enough energy to heat the apartments,” explains mike spenser-morris, managing director of NHP Leisure Developments and the visionary behind the scheme. “If we had fitted gas boilers, then the site would be dumping around 500 additional tonnes of carbon into the atmosphere each year. In addition, because of this system’s exceptional energy efficiency, the equivalent heating cost for a couple living in a one bedroom apartment would be 18% more. For an average home, this would mean hundreds of pounds extra.” the system can draw up to 13 million
Public sector sustainability • Volume 3 issue 9
litres of water each day – the equivalent of five Olympic-sized swimming pools. The river water passes through a state- of-the-art, two-stage filtration process that ensures no marine life can enter the system.
Inside a specially-built plant room adjacent to the river, the water passes through high-efficiency heat exchangers and, once the low grade heat has been harvested, the water is immediately fed back into the river, untreated in any way. The heat exchangers transfer this low grade heat from the river water to an internal ‘closed’ loop water system and this is then carried 200 metres to a plant room in the apartment building, where mitsubishi electric’s advanced heat
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