25 York Street

LEED NC, CI Gold; LEED EB:O&M Platinum

  • Ranked among Toronto’s most prominent new office towers, this $250M project revitalized a former rail yard site on Toronto’s waterfront into a high-end tenant office building, housing the headquarters of Toronto’s TELUS House, a gourmet kitchen, rooftop garden patios, a fitness centre, a prayer room, and massage rooms
  • There is a high degree of occupant control over the energy-efficient ventilation and lighting in the space, helping the building use a predicted 47% less energy than a conventional office tower
  • Provided LEED certification, energy efficiency modeling, tenant engagement, best practice commissioning, and ongoing building performance monitoring services


  • sustainable design facilitation
  • energy efficiency consulting
  • LEED consulting & certification
  • building commissioning
  • building performance monitoring