Is a double vanity worth it in a master bathroom, or does it just waste counter space?

A double vanity is absolutely worth it in a master ensuite if you have the space — it's one of the most consistently requested features in GTA bathroom renovations and a genuine quality-of-life upgrade for couples sharing a bathroom. That said, forcing a double vanity into a bathroom that's too small for one creates more problems than it solves, so the answer depends entirely on your room dimensions.

The practical threshold is bathroom width. A double vanity typically requires a cabinet that's 60–72 inches wide, and you need at least 4 inches of clearance on each side between the vanity edge and the adjacent wall or fixture. You also need the Ontario Building Code minimum of 21 inches of clear space in front of the vanity (24 inches is more comfortable). If your master bathroom can accommodate a 60-inch or wider vanity with proper clearances and still fit a toilet and shower or tub comfortably, a double vanity is almost always the right call.

The Real-World Benefits

The biggest benefit isn't the two sinks — it's the two separate zones. Each person gets their own mirror space, their own counter area, and their own under-counter storage. The morning routine conflict disappears. In a busy GTA household where both partners are commuting to work, that parallel morning prep time is genuinely valuable.

From a resale perspective, a double vanity in a master ensuite is considered a standard expectation in GTA homes priced above $800,000 — which is most of the market. Home buyers touring properties in Mississauga, Oakville, Richmond Hill, or midtown Toronto expect a double vanity in the master bath. Its absence can make an otherwise updated bathroom feel incomplete. Real estate agents consistently cite master ensuite upgrades as having some of the strongest ROI in the GTA market.

When a Single Vanity Is the Better Choice

In bathrooms under 50 square feet — common in older Toronto homes, semi-detached houses in the east end, and many GTA condos — a double vanity creates a cramped layout. A quality single vanity at 36–48 inches with generous counter space on both sides of the sink often feels more luxurious than a tight double vanity where the two sinks are squeezed together with minimal counter between them. A 48-inch single vanity with a large undermount sink and expansive quartz countertop provides plenty of counter space and a more open feel.

Condo master ensuites in the GTA are a particularly common scenario where a single vanity wins. Many Toronto condo master bathrooms are designed around a 36-inch or 48-inch vanity, and the room dimensions simply don't accommodate a 60-inch double without sacrificing the shower size or toilet clearances.

Cost Comparison

A semi-custom double vanity (60–72 inches) with a quartz countertop, two undermount sinks, and two faucets typically runs $2,500–$5,000 for the vanity, top, and sinks, plus $800–$1,500 for plumbing (you need two drain connections and two sets of supply lines). A comparable quality single vanity (36–48 inches) with quartz top runs $1,200–$3,000 plus $400–$800 for plumbing. So a double vanity adds roughly $1,500–$3,000 to your renovation budget — a relatively modest premium for a feature you'll use every single day.

One design tip: if you have the width for a 72-inch vanity but the room feels tight, consider a floating double vanity. Wall-mounting the cabinet opens up the floor beneath it, making the bathroom feel significantly larger. This is the most popular double vanity configuration in modern GTA ensuite renovations.

The Bottom Line

If your master bathroom is 60 square feet or larger and can fit a 60-inch-plus vanity with proper clearances, install the double vanity — you'll use it daily and it strengthens your home's resale value in the competitive GTA market. If the bathroom is under 50 square feet, invest in a high-quality single vanity with a generous countertop instead.