Whole-House Renovations in Hamilton
Whole-house renovations for Hamilton's century homes and postwar houses, from the lower city to the Mountain, Dundas and Stoney Creek. Design, permits and construction with one team.
Old Houses, Done Right in Hamilton
Hamilton's housing has deep roots. In the 2021 census, 32.8% of the city's homes were built before 1961 and another 28.1% between 1961 and 1980. The City estimates that about 20,000 homes built before 1955 may still have a lead water service pipe, and repairing or replacing the private portion is the owner's responsibility.
Houses of that age bring familiar surprises. ESA notes that knob-and-tube wiring was used in homes from the early 1900s to the 1940s, and Health Canada says asbestos was mainly used to insulate homes before 1990. A whole-house renovation is the time to find and deal with both properly, with testing and licensed trades, rather than one emergency at a time.
Hamilton also protects its history. The City has eight heritage conservation districts, including Durand-Markland, Cross-Melville and Mill Street, where exterior alterations need a heritage permit. Interior work does not usually need one unless interior features are named in the designation or the work changes the outside of the house.
- Licensed & insured contractors
- Transparent, itemized pricing
- Permits & approvals handled for you
- On-time delivery, every project
Hamilton Factors That Shape the Scope
These come up in most Hamilton whole-house projects.
Permits for Walls and Drywall
Hamilton requires a permit for adding or removing walls, load-bearing or not, and for installing or replacing drywall and insulation.
Lead Water Line Loan
The City offers a $3,000 interest-bearing loan to replace a lead water line, repaid through the monthly water bill.
Protective Plumbing Grant
Owners of single-family homes can receive up to $2,000 toward a backwater valve and related work when they use a pre-qualified contractor.
Heritage Permits
Exterior changes in a heritage conservation district need a heritage permit, so facade and window plans are reviewed early.
Variance Fees
A standard minor variance costs $4,135 in 2026; routine variances for items such as porches and decks are $745.
Second Unit Permits
The City charges a flat $515 permit fee for an additional dwelling unit in an existing house.
Hamilton Renovation Figures
| Homes built before 1961 | 32.8% (2021 census) |
| Homes built 1961 to 1980 | 28.1% (2021 census) |
| Homes that may have lead service pipes | About 20,000 built before 1955 (City of Hamilton) |
| House construction permit rate | $18.32 per m²; $291 minimum (published schedule) |
| Minor variance (2026) | $4,135 |
| Heritage conservation districts | Eight, including Durand-Markland and Cross-Melville |
Whole-House Renovation Costs in Hamilton
We use the same published ranges across the GTA. Our 2026 cost guide puts most whole-home renovations at $100 to $300 per square foot: $50 to $100 for a cosmetic refresh, $100 to $200 for a mid-range renovation and $200 to $350 or more for a high-end or full gut renovation.
Older Hamilton houses can sit toward the upper part of their range, because electrical, plumbing and HVAC can take 15 to 25% of the budget and more in older homes, and a 10 to 15% contingency is wise in any century home. If your gut renovation replaces 90% or more of the livable interior and starts between April 1, 2026 and March 31, 2027, Ontario's HST relief for substantial renovations may apply to homes worth under $1.85 million.
Recent Whole-Home Renovations
Examples of our whole-home renovation work around the GTA.
Hamilton Whole-House Renovations
The projects Hamilton homeowners bring to us most.
Century Home Gut Renovations
Full interior rebuilds of older houses, with new wiring, plumbing, insulation and drywall.
Lead Service Replacement
Replacing the private water line during the renovation, with City loan options available.
Postwar House Remodels
Reworking 1950s to 1970s layouts, kitchens and bathrooms in one coordinated plan.
Heritage District Projects
Renovations in Hamilton's eight districts, with heritage permits for any exterior change.
Basement Protection and Finishing
Backwater valves, sump pumps and finished lower levels designed in from the start.
Second Units
Adding a unit inside an existing house as part of the wider renovation.
Our Simple 5-Step Process
Here is how a Hamilton whole-house renovation runs with us.
Reach Out
Call us or fill out our quick form to tell us about your home and your plans.
Free Consultation
We visit your home, measure the space and talk through layout, finishes, budget and timeline.
Detailed Estimate
You receive a transparent, itemized estimate within 2 to 3 business days.
Review & Refine
We walk through the proposal together until you are fully confident.
Sign & Start
We lock in your start date and handle scheduling, permits and coordination.
Hamilton Whole-House Renovation FAQs
How much does it cost to renovate a whole house in Hamilton?
What needs a building permit in a Hamilton renovation?
Should I renovate my Hamilton century home or rebuild?
Does Hamilton help pay to replace a lead water line?
Do I need a heritage permit to renovate inside my house?
Hamilton Neighbourhoods We Serve
We renovate houses throughout Hamilton, above and below the escarpment.