Opening up rooms in an Ottawa house: the permit, who designs the beam, the posts and supports it needs, and what to compare in quotes.
Too few published Ottawa prices to quote a range. Compare quotes on the same design, beam and post plan, temporary support, permit and patching. Where the job needs a building permit, the City's fee for alterations is $12.75 per $1,000 of construction value, minimum $117 (fee schedule dated January 1, 2026). Valuation is the total of materials, labour, overhead and professional fees.
New and rebuilt staircases inside Ottawa homes, built to the 2024 Ontario Building Code's private-stair rise, run, width and headroom.
Too few published Ottawa prices to quote a range. Compare quotes on the same stair layout, tread and riser material, handrail and guard, and any change to the floor opening. Where the job needs a building permit, the City's fee for alterations is $12.75 per $1,000 of construction value, minimum $117 (fee schedule dated January 1, 2026).
Stair handrails, balusters and guards inside Ottawa homes, with the Code's heights, openings and fastening rules kept apart.
Too few published Ottawa prices to quote a range. Compare quotes on the same handrail and guard length, baluster spacing, newel posts, material and finish.
Interior door slabs, pre-hung doors, jambs and casing, plus new or widened openings, with the City's same-size exemption explained.
Too few published Ottawa prices to quote a range. Compare quotes on the same count of doors, slab or pre-hung, jamb and casing, hardware, and any change to the opening. Where the job needs a building permit, the City's fee for alterations is $12.75 per $1,000 of construction value, minimum $117 (fee schedule dated January 1, 2026).
Baseboard, door casing, crown moulding, wainscoting and other interior millwork, with heritage and old-paint questions asked first.
Too few published Ottawa prices to quote a range. Compare quotes on the same linear footage, profile and height, material, removal of old trim, painting or finishing, and any testing in an older home.
Built-in bookcases, window seats, wall units, closet shelving and benches made to fit the room, with the wall questions asked first.
We found no usable published price for built-ins in Ottawa. Compare quotes on the same drawing, material, finish, hardware and installation, including how the unit is anchored.
Rotted sills and joist ends, sagging or cut joists, damaged studs and structural subfloor repaired, with the permit question asked first.
Too few published Ottawa prices to quote a range; the extent of rot may not be known until the framing is opened. Ask how the quote handles hidden damage. Where the job needs a building permit, the City's fee for alterations is $12.75 per $1,000 of construction value, minimum $117 (fee schedule dated January 1, 2026).
New partition walls, closets, bulkheads and openings framed for main-floor and upper-floor renovations, with the permit step first.
Too few published Ottawa prices to quote a range. Compare quotes on the same wall lengths and heights, openings, lintels, blocking for fixtures, and who books the inspections. Where the job needs a building permit, the City's fee for alterations is $12.75 per $1,000 of construction value, minimum $117 (fee schedule dated January 1, 2026).