Renovation Contractor in Oshawa & Durham Region
Serving Whitby & Durham Region
Custom kitchen renovations for Whitby homeowners, built by Mike Brock and the Cornerstone Construction team. One contract, a locked price, and a finished kitchen you will actually want to cook in.
Local Kitchen Builders
Whitby homes run the full range, from the older two-storeys near downtown and Brooklin to the newer builds up by Taunton and Winchester. Each one comes with its own kitchen challenges: load-bearing walls people want opened up, dated layouts that fight the way families move, and the question of whether that island will actually fit. We have renovated kitchens across Whitby and we plan around your home, not a template. Many of those Whitby kitchens start with open-concept wall removal — taking out a load-bearing wall and dropping in a proper beam to join the kitchen and dining room.
Every Cornerstone kitchen runs on one contract and one point of contact. We handle the demolition, the structural work, electrical and plumbing rough-ins, custom cabinetry, counters, tile, and the final finish. You get a locked price before we start and a real-time portal to watch the project move. No subcontractor roulette, no surprise invoices.
This page is part of our wider kitchen renovation service across Durham Region. To see the standard of work first, take a look at our main floor renovation in Whitby, a full kitchen, bathroom, and hallway transformation we completed in the area. Many Whitby homeowners pair the kitchen with a bathroom renovation in Whitby, or turn the lower level into income with a legal basement apartment in Whitby.
Real Cornerstone kitchens, finished across Whitby and Durham Region.
What's Included
From the first sledgehammer to the final handle, one team manages the whole build.
Wall removals, beam installs, and reworked layouts that open the kitchen up the way you want it.
Built by a Red Seal cabinetmaker. Storage designed around your space, not flat-pack guesses.
Quartz, granite, or your choice of surface, with tile and backsplash finished to a clean line.
Licensed rough-ins for lighting, outlets, fixtures, and appliances, fully permitted and inspected.
We pull the permits and coordinate every Whitby inspection. You never deal with the town.
Every kitchen is backed by a 5-year workmanship warranty and an Owner's Manual at handover.
"From the 3 options I sourced, Mike was the most professional and punctual. He arrived on time every day, provided daily walkthroughs, and cleaned up every time. He will now be the only contractor to touch ANY part of my house."
Jolette Samuel
Kitchen Renovation — Whitby
The Cornerstone Certainty Stack
Whitby Kitchen FAQ
Most Whitby kitchen renovations land between $25,000 and $150,000+, depending on size, layout changes, and finish level. We give you a locked, written price before any work starts, so the number you approve is the number you pay.
Yes. If your project needs a permit, such as removing a load-bearing wall or moving plumbing, we handle the application and coordinate inspections with the Town of Whitby's Building Services Division. You never deal with the municipality. We do.
Most kitchen renovations take 3 to 6 weeks. We give you a detailed timeline up front and stick to it, backed by a $300/day on-time guarantee if we run past the agreed completion date.
Absolutely. See our Whitby main floor renovation for a full kitchen build, and browse the rest of our work in the portfolio. We are also happy to connect you with past Whitby clients on request.
Get Started
Book your free Project Diagnostic. We visit your Whitby home, scope the work, and give you a fixed price before we start. No guessing, no ballpark numbers.
Licensed & Insured Ontario Corporation · Serving Whitby & Durham Region Since 2017 · 5-Year Warranty on Every Kitchen
Durham Region's trusted renovation contractor. Led by Mike Brock since 2017. We Listen, We Build, We Deliver.