Serving Bowmanville & Clarington

Bathroom Renovations
Bowmanville

From the older homes near the downtown core to the newer north-end subdivisions, Cornerstone builds waterproof, built-to-last bathrooms in Bowmanville — fixed price, daily cleanup, and a 5-year written warranty.

Start Your Bathroom Diagnostic Call 1-888-404-7383

Local Knowledge

Bathroom Renovations Built for Bowmanville Homes

Bowmanville is really two kinds of homes, and each one renovates differently. The established homes around the historic downtown and Temperance Street core often have small original bathrooms, older galvanized or cast-iron plumbing, and layouts that were never designed for a modern walk-in shower. Opening those up the right way means knowing what's behind the walls before demo — not discovering it halfway through.

Then there are the newer subdivisions across north Bowmanville, where the bathrooms are structurally sound but builder-grade — basic tile, entry-level fixtures, and finishes that were chosen to hit a price point, not to last. Those are perfect candidates for an upgrade that adds real comfort and value.

Either way, the engineering underneath is what protects your home — and that doesn't change with your budget. Every Bowmanville bathroom we build gets the same Schluter waterproofing system and a mandatory 24-hour flood test before a single tile goes in.

Renovating more than one space? Many Bowmanville homeowners take on their bathroom alongside a kitchen renovation in Bowmanville under one contract and schedule — same crew, same standard, far less disruption than running two projects separately.

Recent Work

A Bowmanville Bathroom We Built

Bathroom renovation Bowmanville Cornerstone Construction Custom tiled shower Bowmanville bathroom renovation Finished Bowmanville bathroom renovation Cornerstone

Built to the Cornerstone Standard — Schluter waterproofing, 24-hour flood test, and a 5-year written warranty.

The Cornerstone Standard

The Same Build Quality at Every Budget

Whether your Bowmanville bathroom is a focused refresh or a full ensuite, the structural standard never changes. Here's what goes into every one.

Waterproof Fortress

Schluter-KERDI-BOARD in all wet zones and Schluter-DITRA under every tile floor — water physically cannot reach your wall cavities or crack your tile.

24-Hour Flood Test

Every shower basin is flooded to the brim and held for 24 hours before any tile goes in. If the water drops a millimetre, work stops.

Fixed Price & On-Time

A detailed multi-page proposal with a locked price and a committed schedule — backed by a $300/day penalty if we miss the end date.

Dust & Site Protection

Sealed dust containment, HEPA air scrubbers, floor armour, and a 30-minute cleanup every single day. Your home stays livable.

Common Questions

Bowmanville Bathroom Renovation FAQ

I have an older home near downtown Bowmanville — can you handle the old plumbing?
Yes — this is common in Bowmanville's established neighbourhoods. Older homes often have galvanized or cast-iron supply and drain lines that are corroding or undersized. We assess what's behind the walls during planning, and where the old plumbing needs replacing we build that into the scope and the fixed price up front — so there's no mid-project surprise when we open the wall.
How long does a bathroom renovation take?
Most bathroom renovations run 2 to 4 weeks depending on scope — a focused refresh is 1 to 2 weeks, a full ensuite gut with custom tile and Schluter waterproofing runs 3 to 5 weeks. Before any work begins you get a written schedule with a committed start and end date, backed by a $300 per day penalty if we miss it.
What does a bathroom renovation cost in Bowmanville?
A focused refresh runs $12,000–$25,000, a full renovation $20,000–$40,000, and a high-end ensuite build $25,000–$80,000+. Your investment depends on the size of the space, your fixtures, the tile scope, and whether we're moving plumbing or electrical. You get a fixed price in writing before any work starts.
Do you pull permits?
Yes. Any work involving plumbing, electrical, or structural changes requires a permit in Ontario, and we pull and manage all permits with the Municipality of Clarington so the work is inspected and done to code. Contractors who skip permits create a liability that sits on your property title and can void your home insurance.
Do you build bathrooms in the newer north Bowmanville subdivisions?
Absolutely — they're some of our most popular projects. Builder-grade bathrooms are structurally fine but finished to a price point. Upgrading the tile, fixtures, vanity, and shower system transforms the space and adds real value, and because the bones are sound these renos are often very efficient.
The Full Bathroom Build Standard
See exactly how we engineer every bathroom — waterproofing, process, and investment guide
See How We Build

Ready to Renovate Your Bowmanville Bathroom?

Start with a free bathroom diagnostic. We'll walk your space, assess the scope, and deliver a detailed multi-page proposal with a fixed price before any work begins — built once, built right.

Start Your Bathroom Diagnostic Call 1-888-404-7383

Durham Region's trusted renovation contractor. Led by Mike Brock since 2017. We Listen, We Build, We Deliver.

Service Areas

  • Oshawa, ON
  • Whitby, ON
  • Bowmanville, ON
  • Clarington, ON
  • Ajax, ON
  • Pickering, ON
  • Newcastle, ON
  • Scarborough, ON
  • Whitchurch-Stouffville, ON
  • Port Perry, ON
  • Peterborough, ON
  • Port Hope, ON
  • Cobourg, ON
  • Northumberland County, ON
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