Most Ottawa homeowners come to me with the same question phrased two different ways. "Can we just freshen this up?" or "Do we have to do the whole thing?" The honest answer depends on what's behind the walls, not what you can see from the doorway.
I've quoted hundreds of bathrooms across Ottawa over the last 20 years. The decision between a refresh and a full reno is not about taste or budget alone. It's about a small list of conditions that, if present, force the gut. If absent, the refresh is the smarter call.
Here's the decision tree I walk every client through, what each path actually costs in Ottawa, and the three signs that mean you don't have a choice anymore.
What Each Path Actually Means
Before the decision, get the definitions straight. These two words mean very different things to different contractors, and pricing surprises start here.
Bathroom refresh: cosmetic work only. Replace the vanity, faucet, toilet, mirror, lighting, and possibly the tub or shower surround. Retile the floor and shower walls. Repaint. Keep all plumbing in the same locations. Keep the existing subfloor and waterproofing if it's sound.
Full renovation: down to studs. Remove everything: vanity, toilet, tub or shower, tile, drywall, subfloor in places, sometimes the framing itself. Inspect plumbing and electrical. Replumb if needed. Replace subfloor if rotted. Reframe if the layout is changing. Install new waterproofing, new tile, new fixtures, new everything.
The price difference between these scopes is significant, and it's driven by how much you remove and rebuild. From least to most involved:
- Powder room refresh: cosmetic swaps in a small footprint, the leanest scope.
- Full bath refresh: new finishes and fixtures with plumbing staying put.
- Full bath renovation (gut to studs): demolition, possible subfloor and framing work, replumbing, and new waterproofing drive the cost up.
- Primary ensuite full renovation with custom shower, double vanity, and freestanding tub: the most involved, driven by custom tile work, fixture count, and finish level.
We put the figures for your specific bathroom in a written, itemized proposal after the walkthrough.
The Three Conditions That Force a Full Reno
Sometimes the choice is not yours. If any one of these is present, refresh is off the table.
1. Rotted Subfloor
The subfloor under bathrooms in Ottawa homes is usually 5/8-inch plywood or, in pre-1970s houses, 3/4-inch tongue-and-groove board. Water damage shows up first at the toilet flange, around the tub apron, and along the threshold to the hallway.
How to check before demo: stand at the toilet and rock side to side, even slightly. A solid floor doesn't move. A spongy floor does. Press hard near the tub edge and at the threshold. Soft spots mean rot below.
If the subfloor is rotted, you have to remove the floor tile, remove the toilet and tub, replace the affected subfloor sections, and re-waterproof. By the time you've done that, the cost difference between repair and full reno is small enough that most homeowners go full.
2. Plumbing Older Than 40 Years
Ottawa houses built before 1985 often have galvanized steel supply lines that are now reaching the end of their lifespan. Symptoms: low water pressure that's gotten worse over years, brown water on first draw, leaks at threaded joints.
You can put a new vanity on top of 50-year-old galvanized supply lines, but the plumbing will fail in the next 5 to 15 years and your beautiful refresh will be ripped out to fix it.
If your bathroom has galvanized supply lines or a cast-iron drain stack with rust scaling, plan to replumb at the same time. That's a full reno trigger because you have to open the walls to do it.
3. Layout Problems You Actually Want to Solve
If the bathroom has a real functional problem (toilet too close to the door, vanity blocking the shower entry, tub you can't actually fit a person in), refresh won't fix it. Cosmetic changes don't move plumbing or walls.
The decision question: would you still hate the room after the refresh? If yes, the refresh is throwing money at the wrong problem.
Pro tip
Pull up an inspection mirror or a phone camera and look behind the toilet, behind the vanity, and at the joints where the tub meets the wall. Mould stains, water damage, or visible rust on plumbing tells you what you're walking into. The tub-wall joint is the single most common failure point in Ottawa bathrooms 15 years and older.
The Decision Tree
Use this in order. The first "yes" sends you down the full-reno path.
- Is the subfloor soft or visibly water-damaged? Yes = full reno.
- Are supply lines galvanized, or is the drain stack cast iron with rust? Yes = full reno.
- Do you want to move the toilet, tub, vanity, or shower from their current locations? Yes = full reno.
- Is the existing tile cracked across multiple tiles, or is the grout black-staining despite cleaning? Yes = full reno (waterproofing has likely failed).
- Does the bathroom have visible mould on walls or ceiling, or a persistent musty smell? Yes = full reno (likely moisture intrusion behind walls).
- Is the existing exhaust fan undersized or vented into the attic instead of outside? This alone isn't a trigger but factor it in.
- Are vanity, toilet, tub, and tile all sound, plumbing under 30 years old, layout fine? Refresh.
What a Refresh Looks Like (Real Scope)
A refresh in Ottawa typically runs 5 to 10 days of work and includes:
- Remove vanity, faucet, toilet, mirror, lighting, towel bars
- Remove old caulk and resilicone tub-to-wall joints
- Reglaze tub if cast iron and salvageable, an affordable step that lasts 8 to 15 years
- Or install a new acrylic tub or insert if existing is fibreglass and damaged
- Replace floor tile (the new vanity rarely fits the same footprint as the old one)
- Paint walls and ceiling
- Install new vanity, faucet, sink, toilet, mirror, lighting, towel accessories
- Possibly retile the shower wall surround if it's tired but the shower pan is sound
You stay out of the bathroom for under two weeks. Cost stays in the refresh range. House sells better. You don't break anything that didn't need breaking.
What a Full Reno Looks Like (Real Scope)
A full reno in Ottawa typically runs 4 to 7 weeks of work and includes:
- Demo to studs, all tile, drywall, fixtures, often the floor down to subfloor
- Replace subfloor sections as needed
- Reframe walls if layout changes
- Replumb supply and drain lines
- Rewire to current code (GFCI receptacles, dedicated circuits)
- Install proper exhaust fan vented outside
- Install waterproof membrane (Schluter Kerdi or similar) in shower and at tub
- Install heated floor if desired (low-voltage mat, a modest material allowance on top of the tile work)
- New cement board, new tile, new grout, new fixtures, new lighting
- Permits and inspections where required
The bathroom you save money on with a refresh that should have been a full reno is the bathroom you do twice. The bathroom you spend money on with a full reno that didn't need to be one is the bathroom you over-built. Pick wrong in either direction and you've wasted money. Pick right and you'll forget about the bathroom for the next 20 years.
The Hybrid (When It's Allowed)
Sometimes there's a middle path. The bathroom is sound structurally, plumbing is fine, but one element (usually the shower) has failed. You can do a "partial reno": gut just the shower, including its waterproofing, framing, and tile, while leaving the rest of the bathroom alone for a refresh.
Time: 2 to 3 weeks, and the cost lands between a refresh and a full reno. This works when the shower is the only failed element. It does not work when there are multiple problems, because the cost of a partial gut plus a refresh elsewhere usually exceeds a full reno once you total it up.
For a deeper look at how we scope and quote bathroom projects, see our bathroom renovation page. The first step on every project is a 30-minute walkthrough where we open a few inspection points and tell you which path your bathroom needs. Refresh or full, the right answer is the one that respects what's actually behind the walls.
Frequently asked questions
What is the difference between a bathroom refresh and a full renovation?
A bathroom refresh is cosmetic: new vanity, faucet, toilet, mirror and lighting, possibly a new tub or surround, retiled floor and fresh paint, with all plumbing left in place and the subfloor and waterproofing kept if sound. A full renovation goes down to the studs, removes tile, drywall, fixtures and often subfloor, then replumbs, rewires and installs new waterproofing, tile and fixtures.
A refresh takes 5 to 10 days of work, a full renovation 4 to 7 weeks.
How can I tell if a bathroom subfloor is rotted?
Stand at the toilet and rock side to side: a solid floor does not move, and a spongy one does. Press hard near the tub edge and at the hallway threshold, since soft spots there mean rot below.
Water damage usually shows first at the toilet flange, around the tub apron and along the threshold. A rotted subfloor forces a full renovation, because the tile, toilet and tub all come out to replace it.
Do galvanized pipes mean a bathroom needs a full renovation?
Usually, yes. Ottawa houses built before 1985 often have galvanized steel supply lines near the end of their life, with symptoms such as worsening water pressure, brown water on first draw and leaks at threaded joints. A new vanity on top of 50-year-old galvanized lines will likely be torn out when the plumbing fails within 5 to 15 years.
Galvanized supply or a rusting cast-iron drain stack means opening the walls to replumb.
What is a partial bathroom renovation?
A partial renovation guts only the failed element, usually the shower, including its waterproofing, framing and tile, while the rest of the bathroom gets a refresh. The job takes 2 to 3 weeks and the cost lands between a refresh and a full renovation.
A partial renovation only works when the shower is the single failed element. With several problems, a partial gut plus a refresh elsewhere usually totals more than a full renovation.
What signs show a bathroom's waterproofing has failed?
Tile cracked across several pieces, or grout that keeps staining black despite cleaning, points to failed waterproofing and a full renovation. Visible mould on walls or ceiling, or a persistent musty smell, suggests moisture behind the walls.
Check behind the toilet, behind the vanity and at the tub-to-wall joint with an inspection mirror or phone camera. The tub-wall joint is the most common failure point in Ottawa bathrooms 15 years and older.
Official references
- Who can do electrical work at my property?, Electrical Safety Authority