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London, ON · cost guide · 2026What renovations typically costs in London — and how to get a firm number from a vetted local pro instead of a guess.
The biggest drivers are scope, materials, and finishes. Local demand, access and the season also move London prices — which is why a firm itemized quote for your specific job beats a ballpark.
Post your project once and verified London pros send itemized quotes to compare — free.
As a rough guide, Basements $20k–$60k, bathrooms $8k–$30k, kitchens $15k–$60k, roofing $6k–$20k. In London, your price depends on scope, materials, and finishes, plus local demand. On Genie you see itemized quotes from London pros to compare.
It comes down to scope, materials, and finishes, and local factors like demand and access. That's why a firm quote for your specific London job beats a generic estimate.
Yes — Genie matches London customers with vetted, insured pros at quoted prices, protected until the job's done.