2022 Large Residential
2nd Runner-Up
(People’s Choice Winner)

Project Statistics 


Location: Ontario, Canada
Type: Guesthouse
Size: 3,700 sq. ft. 
ICF Use: 10,361 sq.ft. 
Cost: Approx. $1.2 million
Total Construction: 156 weeks
ICF Installation Time: 364 days

Construction Team 


Owner/Developer: Spike Capital Corp.
General Contractor: Bonwest Ltd.
ICF Installer: Legalett Canada Inc.
Architect: Kearns Mancini Architects Inc.
Mechanical and Electrical Engineer: Integral Engineering
ICF System: Fox Blocks and Legalett

Fast Facts 


4 bedrooms, 2 convertible dens, multi-adaptable, multi-generational guesthouse
Built to passive house standards
Designed as an all-concrete structure for maximum efficiency 
Can be occupied by up to four different families
R-100 roof, R-52 wall, R-40 under slab insulation 
Whole house air seal tested to 0.3 ACH
Cavity window ports for max solar energy capture

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