Home Addition Framing Oshawa — Licensed, Insured & 5-Star Rated

The cost of addition framing in Oshawa varies based on the type of addition, the total square footage, and the structural work involved.

Rear additions are generally the most affordable framing option. Second-floor additions carry higher costs because the existing foundation and first floor must be evaluated and potentially reinforced to handle the added load.

Garage conversions and in-law suites vary depending on how much structural modification is required.

For an accurate number tailored to your project, contact Timberr Framing for a free written quote. We assess your specific plans and existing structure — no rough estimates.

Yes. Timberr Framing is fully licensed to perform framing work across Ontario, including every type of addition framing in Oshawa and Durham Region.

We carry $5M in liability insurance, are registered with WSIB, and comply fully with Ontario Building Code on every project. Licensing and insurance documentation is available on request.

We frame all types of residential additions in Oshawa:

• Second-floor additions — full upper storey builds View details
• Rear additions — bump-outs, kitchen extensions, family room builds View details
• Side additions — extending into your side yard View details
• Garage conversions and additions — garage-to-living conversions, new attached garages
• In-law suites and secondary suites — separate dwelling units within your home

If your project involves structural framing for any type of home addition, contact us to discuss.

It depends on the project. A typical rear addition frame takes one to two weeks. A full second-floor addition usually requires two to four weeks depending on scope and complexity.

Timberr Framing provides a detailed project schedule at the quoting stage and maintains communication throughout the build so you always know where things stand.

Most likely, yes. Additions involving load-bearing modifications, new foundation work, or second-storey builds require structural engineering. The City of Oshawa will require engineered drawings for the building permit.

Timberr Framing coordinates directly with structural engineers and frames to their specifications. We ensure the work meets all requirements for inspection.

Absolutely — this is one of the most critical elements of any addition project. A poor structural tie-in creates long-term problems including water intrusion, settling, and issues for every trade that follows.

Timberr Framing specializes in structural tie-ins between new additions and existing homes. We evaluate your current framing, trace load paths, and connect the new structure properly.

Yes. Every home addition in Oshawa requires a building permit from the City of Oshawa before any construction begins. This includes second-floor additions, rear additions, side additions, garage conversions, and in-law suites.

Timberr Framing builds to Ontario Building Code and ensures all framing is inspection-ready when we hand off. Permits are typically handled by the homeowner or GC — we frame to the exact specifications on your permit drawings.

A home addition increases your home's total square footage — a new room, floor, or extension. A renovation changes existing space without expanding the building's footprint — like removing walls, re-framing interiors, or finishing a basement.

Timberr Framing handles both. For renovation framing, visit our renovation framing services page. For additions, you are in the right place.

Yes. Timberr Framing regularly serves as a framing subcontractor for GCs managing home addition projects in Oshawa and throughout Durham Region.

We understand the coordination demands of residential builds and work well alongside other trades. If you are a GC looking for a dependable addition framing sub, reach out to discuss your upcoming projects.

Timberr Framing provides home addition framing in Oshawa and nearby areas including Whitby, Ajax, and Pickering.

If your project is in an area not listed, use the form below and we are happy to discuss.

Yes. Ontario Building Code sets specific requirements for secondary suites — fire separation, sound transmission ratings, separate egress, and minimum ceiling heights. The framing has to address every one of these.

Timberr Framing understands secondary dwelling unit code requirements and frames accordingly — including fire-rated wall assemblies, sound isolation framing, and proper egress window framing. All work is left inspection-ready.