What Does a Home Addition Cost in Ottawa?

Home additions come in many shapes and sizes. An addition can give a too-small home the extra space you need without going through a move to a new home. The two real customer quotes below will help you gauge the cost of an addition.

Single storey 12’ x 15’ addition with basement

Quote includes: Remove old addition, full depth footings and foundation, framing, structural beam for new opening from kitchen to extension, drywall, flooring, painting, peaked roof, shingles, windows and exterior door. Siding arranged by client. Lawn repair as required after construction. Five weeks required to complete.

Materials: $31,180
Labour: $17,600
Tax: $6,341.40
Total: $55,121.40

Single storey 14’ x 12’ addition

Remove old addition, new foundation, framing, multi-level insulation, windows, shed-style roof, shingle, drywall, siding, painting inside and out, and lawn repair as required after construction. 5.5 weeks required to complete.

Materials: $19,861.28
Labour: $22,464
Tax: $5,502.29
Total: $47,827.57

Ottawa bathroom renovation: three actual client estimates.

If this is your first time renovating, or if it’s been a while, it can be hard to estimate cost. Below are three actual bathroom renovation estimates prepared for Ottawa clients in the previous 12 months.

En-suite bathroom size: 5′ x 9’
Remove shower, toilet, sink and flooring (drywall to remain). Materials cost below includes new sub floor, Schluter DITRA polyethylene membrane, shower enclosure, shower and floor tile, sink, fan, paint, trim and other building materials. Client supplied tile for shower and floor. Re-used existing toilet.

Time needed: 8 working days.

Materials: $2,960 (includes cost for certified electrician and plumber)
Labour: $7,168
Tax: $1,316.64

Total = $11,444.64

Master bathroom size: 6’ x 9’
Complete bathroom gut back to the studs and sub floor. Enlarged the bathroom by claiming space from an adjacent room’s closet. Materials cost below includes large shower base, glass shower doors, under-tile heating, Schluter DITRA membrane, pot lights, fan, paint, trim and other building materials. Client supplied wall and floor tile, toilet and vanity.

Time needed: 13 working days

Materials: $3,575 (includes cost for certified electrician and plumber)
Labour: $11,752
Tax: $1,992.51

Total: $17,319.51

Master bathroom size: 6’ x 9’
Complete bathroom gut. Materials cost below includes new insulation and vapour barrier, under-floor heating, airflow tub and dual-function shower, shower tile (with recessed shelves), floor tile, low-flow toilet, vanity, window, paint, trim and other building materials.

Time needed: 10 working days

Materials: $4,500 (includes cost for certified electrician and plumber)
Labour: $8,240
Tax: $1,656.20

Total: $14,396.20