Structural engineering
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250 Consumers Road, Unit 705
Toronto, Ontario M2J 4V6
Planning a rear addition, second-storey addition, or main-floor expansion? You’ll typically need home addition structural drawings to support permits and ensure the new structure ties safely into the existing house. Our licensed architects and engineers create the foundational layout, determining structural elements, and ensuring code compliance. We provide permit-ready structural plans across Toronto and the GTA—clear, buildable, and designed around your addition’s layout, spans, and loads.
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Our architects and licensed engineers design the structural components that make the addition work, beam sizing, post placement, framing requirements, and connection details (LVL or steel). Everything is engineered to suit your spans and the existing structure.
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We deliver home addition structural drawings prepared for permit submission and contractor use. Your package includes key framing plans, structural details, and notes to help keep your project moving.
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We can verify on-site conditions and align your drawings with what’s actually in place—joists, supports, and load paths—so your addition plan is accurate and build-ready across Toronto and the GTA.
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Permit-ready drawings
Top performing structural engineers
Clear contractor-friendly details
Multiple complimentary design options
Safety-first foundation support plans
Toronto + GTA service coverage
Guaranteed approvals with 0% rate of rejections
Best engineering practices used
“We needed home addition structural drawings for permits and the set was clear and organized. Our contractor had everything needed to start framing.”
Andy F.
“They made the process simple—great guidance, solid structural plan, and fast turnaround. Exactly what we needed for our addition in the GTA.”
Rene S.
If you want a smoother, end-to-end process, we also offer house construction services through our Rigid Frames Builders team. That means you can move from structural drawings to a coordinated build plan, helping reduce handoffs, miscommunication, and delays during your home addition project.
Tell us what type of addition you’re planning and where it’s located. We’ll guide you on what information is needed to produce home addition structural drawings in Toronto & the GTA that are permit-ready and contractor-friendly, plus construction support if you want to build with our Rigid Frames Builders team.
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Areas We Serve: Toronto, Downtown Toronto, East York, North York, Etobicoke, York, Scarborough, Leslieville, The Beaches, Riverdale, Danforth, Greektown, Leaside, Davisville, Yonge and Eglinton, Forest Hill, Rosedale, The Annex, Yorkville, High Park, Bloor West Village, Roncesvalles, Junction, Parkdale, Liberty Village, King West, Queen West, Trinity Bellwoods, Kensington Market, Chinatown, St Lawrence, Distillery District, Harbourfront, Mimico, Long Branch, Alderwood, Rexdale, Humber Bay, Islington, Willowdale, Don Mills, Downsview, Bayview Village, Flemingdon Park, Agincourt, Birch Cliff, Cliffside, Port Union, Rouge, Malvern, Woburn, Guildwood, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, Burlington, Milton, Halton Hills, Georgetown, Caledon, Bolton, Ajax, Pickering, Whitby, Oshawa, Newmarket, Aurora, King City, Stouffville, Whitchurch-Stouffville, Bradford, East Gwillimbury
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