Built to plan
Framed from your architectural and engineered drawings, to the plan and the Ontario Building Code, not by rule of thumb.
Framing in Markham
Home Addition Framing in Markham
Home addition framing in Markham and across the GTA, built to your drawings and the Ontario Building Code. Timberr Framing is licensed, insured and WSIB-covered, rated 5.0 on Google, with a workmanship warranty behind every job.
- Licensed, Insured & WSIB-Covered
- Backed by our workmanship warranty
- 5.0 on Google
Get your Markham framing quote
Send the drawings, or just the address and what you are building. We will tell you what is missing before we price it.
5.0 on Google
Workmanship warranty, we stand behind our work Licensed, Insured & WSIB-Covered Completed to code & Ontario requirements Custom-framed to your plans Serving the GTA & surrounding area
What You Get
What to expect from home addition framing in Markham
Built to last
Engineered lumber, LVL/PSL beams, and connectors chosen for the spans and loads on the plans.
Quote-ready
Send specs, drawings, or photos and get a free, no-obligation site visit and estimate with no guesswork.
Code-conscious
Installation and site work completed in accordance with Ontario requirements.
Our Process
How the work moves from drawings to handoff
Ready to price home addition framing?
Send the drawings, or just the address and what you are building. We will tell you what is missing and what happens next.
What GTA clients say
5.0 · Verified reviews on Google E Ericavia Google
★★★★★
Timberr Framing’s team was not only punctual and dependable but also demonstrated exceptional skills in both addition and commercial framing projects. We'll definitely hire them again!
E Ericvia Google
★★★★★
Professional service, high-quality work, and attention to detail. Timberr Framing exceeded our expectations on both our addition and commercial framing projects!
L Luisvia Google
★★★★★
Timberr Framing did an amazing job with our addition framing, ensuring structural integrity and a perfect fit with the existing home.
Local Context
Home Addition Framing in Markham
Understanding home addition framing
What the crew checks in Markham
Markham accepts building-permit applications through ePLAN and treats incomplete drawings or unresolved approvals as incomplete work. A qualifying infill project can require Residential Infill Grading and Servicing clearance before the building permit. Construction materials, disposal containers and construction access in the road allowance can require a road permit.
Markham regulates material storage and construction access across the boulevard or sidewalk, so the addition frame stays private without a road permit. A related variance, severance or heritage application can hold the residential grading and servicing process open. Exterior work in Thornhill, Markham Village, Buttonville or Unionville can require heritage approval.
What belongs in the Markham site scope
At the address, we verify existing bearing, tie-in elevations, openings and temporary support. We also confirm how lumber, engineered beams and lifting access will reach and move through the work area. The quote separates addition size, storeys, tie-in opening, temporary support, roof connection and access. Any unresolved drawing, access or inspection condition is named instead of being priced as if it were settled.
The systems and conditions that change the work
A rear, side or upper-storey addition changes different existing supports; the approved structural design, not the label, determines beams, posts and foundation work. That means your engineer may need to settle the load path before material is ordered.
A same-level extension can use prescriptive Part 9 members only where species, grade, spans, spacing and loads fit the tables. That means your quote carries the matching member layout, connector schedule and site handling.
A wide connection to the existing house can require an engineered beam and posts because lintel and stud rules depend on opening width and supported load. That means you get the route supported by the drawings instead of a choice made from habit.
Roof framing can be site-framed or trussed; trusses cannot be cut unless the truss design permits the alteration. That means your following trades inherit that system's spacing, openings and limits.
Problems worth preventing before they disappear behind finishes
Building from an unverified foundation elevation can leave floors or roof planes misaligned; check the control elevations before framing. That means you do not inherit that condition after it is concealed. Removing an existing bearing element before permanent support is resolved can interrupt the load path; follow the approved structural sequence. That means you can correct the load path or assembly while the work remains accessible.
Cutting an existing joist or truss to make the tie-in can violate hole and notch restrictions, which means your approved repair is documented before the next trade arrives. We stop a conflict involving a rear, side or upper-storey addition changes different existing because you need the designer's answer before an improvised fix becomes permanent.
Plans, sequencing, and site decisions
Member and fastening decisions that affect the result
Loadbearing studs require Stud, Standard or No. 2 grade lumber, and installed lumber may contain no more than 19 percent moisture. That means your installed member must match the grade or product shown in the design. Floor joist end bearing is at least 38 mm unless ribbon-board support is used, which means you can verify the material condition before it is enclosed.
Beam end bearing is at least 89 mm unless a span-table note permits another value, which means your bearing and connection detail must preserve that capacity. Joists framed into the side of a wood beam require hangers, another accepted mechanical connector or a compliant ledger. That means you can trace the fastening requirement to the actual assembly.
The hold point and the trades waiting after it
Ontario requires notice when Part 9 structural framing and HVAC ductwork and piping are substantially complete, which means your sequence must reach that visible hold point before finishes. Toronto's addition guide identifies framing above the foundation, foundation walls and engineered structural content as permit-drawing subjects. That means you can plan the following trade around the stated response.
Approved plans and details govern the old-to-new opening; an unexpected existing condition requires design resolution before concealment. That means your mechanical and electrical work may have to be complete before the framing review. Window, roofing, cladding and interior trades inherit the framed elevations, openings and sheathing transitions, which means you avoid reopening work the municipality needed to see.
What to send for a useful quote
Request the issued permit set, survey, zoning confirmation, structural details and all revisions, which means you give the estimator the current design basis. Request photographs and measured information for the existing foundation, floor, walls, roof, services and proposed opening, which means your takeoff can include the scheduled members and openings. Add the address, permit status and target start window, so you can separate what is ready to price from what still needs a decision.
Comparing framing quotes?
Ours names what we frame, what another trade supplies, and what has to be settled before we mobilise. Compare the scope, not two totals built on different assumptions.
Finished On Site
Framed on site and built to last
Clean framing, tight sequencing, and a tidy site, coordinated with concrete, drainage, openings, and surrounding trades, and completed to code where site work is in scope.
- Coordinated with the surrounding build
- Code-minded framing for real-world use
- Quote-ready support from plans to inspection
FAQ
Home Addition Framing FAQ
Does home addition framing need a permit in Markham?
It depends on whether the scope is permit work. Additions and structural-wall alterations require a Markham building permit. A complete ePLAN submission is the start of review, not permission to build.
What must be ready for the local inspection?
The issued permit package and the work for that inspection stage must be ready. Keep the approved permit set and any required engineering information aligned with the work presented for inspection.
Can Home Addition Framing materials or equipment use public space?
Only when the applicable municipal approval allows it. A road permit can be required for materials, bins or construction access crossing a boulevard or sidewalk.
What should I send for a home addition framing quote?
Send the address, current architectural and structural drawings, permit status and clear site photos. For this scope, the quote also needs addition size, storeys, tie-in opening, temporary support, roof connection and access plus the proposed route for lumber, engineered beams and lifting access.
Not sure the drawings are ready?
Most are not, and that is fine. Send what you have and we will tell you what is missing before it costs you a week on site.
More in Markham
Everything we frame in Markham
Framing services across Markham. See all framing in Markham →
Home Addition Framing in nearby areas
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Custom homes, additions, renovations, and multiplexes, framed on site for builders, homeowners, contractors, and property teams.
Request a home addition framing quote in Markham
Send the current drawings, property address, permit status and target start. We will check the package around a rear, side or upper-storey addition changes different existing, so you can resolve a missing structural, access or coordination decision before it becomes a site delay.
Backed by our workmanship warranty, we stand behind every job · Licensed, Insured & WSIB-Covered
Send your project details
Send the drawings, or just the address and what you are building. We will tell you what is missing before we price it.
Home Addition Framing Near Markham
View all service areas →Timberr Framing provides home addition framing, built to plan with quote-ready support across Toronto and surrounding Ontario communities.
Companies We've Worked With
Trusted by Leading Organizations
Timberr Framing supports plan-based framing for commercial, institutional, property, and builder-led projects across Toronto and Ontario.
Tim Hortons 
Subway 
University of Toronto 
Madison Group 
RioCan 
Women's College Hospital 
Starbucks 
Mazda 
TD Bank 
City of Toronto 
Popeyes Tim Hortons Subway University of Toronto Madison Group RioCan Women's College Hospital Starbucks Mazda TD Bank City of Toronto Popeyes