How much does a luxury renovation cost in Montreal? A 2026 reading

Homeowners searching for a number will find ranges that are either too low to be real or too wide to be useful. In Montreal in 2026, a serious kitchen in a high-end house typically lives in a different register than a cosmetic refresh; a primary ensuite with proper waterproofing and stone is not comparable to a builder-grade remodel; a full-floor interior is a construction project, not a decorating budget.

The drivers that actually move cost are: structural openings, the relocation of wet services, custom millwork versus assembled cabinetry, large-format stone, the quality of the envelope, and the number of decisions still open when construction starts. Preconstruction is the cheapest phase in which to be expensive.

We estimate from a defined scope — rooms, materials, and a sequence — and we show where money is working. Options are presented as value over time, not as upgrades. Hidden conditions in Montreal housing stock (settlement, obsolete plumbing, uninsulated cavities) are identified as allowances, not surprises.

If a number is required before a survey, it is not an estimate. It is a guess. We would rather be precise than first.