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Image of 7 pepys Street showing the green wall.

​© Edmund Sumner

​Energy-efficient hotel with extensive green wall and reduction of CO2 emissions

Architect

Bennetts Associates

BREEAM rating

"Very good” with significant points being awarded in the health and wellbeing, energy and transport categories.

Awards

  • RIBA Award 2012
  • Shortlisted: FX Design Award 2012
  • Future Design Award for Sustainability 2011
  • Commended: New London Architecture Award 2011

This 600 bedroom hotel close to the Tower of London was completed in 2010. It was designed in 2006 to achieve a 30% improvement on the building regulations’ energy use requirements. 

With the tallest green wall in Europe and 75% green roof coverage this development provides habitats that encourage biodiversity, rainwater attenuation and insulation.

Image of 7 Pepys Street green wall.

​© Edmund Sumner

​The design uses combined heat and power (CHP), ground-source heat pumps and photovoltaic panels to achieve reduction in carbon emissions. Two 125 KW heat pumps connected to one hundred 30 meter structural piles contribute to the heating and cooling of the building.

The CHP unit supplies 355KW of heating and 235KW of electricity for this building. 165 photovoltaic panels with a total area of 200sq.m provide further low-carbon electricity.

The building design and orientation include full height adjustable solar shading and deep reveals to upper bedroom windows to minimise heat gain, reducing summer cooling demand.

Published:
31 October 2013
Last Modified:
29 September 2017

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