Single Sink Bathroom Vanities
A single bathroom vanity with sink is the most versatile vanity configuration, designed for bathrooms where one basin is sufficient and floor space is at a premium. Unlike double-sink setups that typically require at least 60 inches of wall, a single-sink unit fits comfortably in widths from 24 to 60 inches, making it the go-to choice for powder rooms, guest baths, kids' bathrooms, and compact master suites.
Because a single-sink layout dedicates the full countertop surface to one basin, you gain more usable counter space for toiletries and more interior storage than a comparably sized double-sink model. Explore the full bathroom vanity collection or compare against double sink vanities if you have two primary users. For master bathrooms with ample wall space, the popular 60-inch single sink vanity offers extra countertop without adding a second basin.
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Frequently Asked Questions
What is the minimum bathroom size for a single sink vanity?
A single sink vanity can fit in bathrooms as small as 20 square feet. The smallest 24-inch-wide models need just 26 inches of clear wall space plus 21 inches of front clearance for the door swing. This makes single-sink configurations the only practical choice for powder rooms and half-baths where a double-sink unit simply won't fit.
How much counter space does a single sink vanity provide?
Because one basin occupies roughly 18-20 inches of countertop, a single sink vanity yields significantly more usable counter surface than a double-sink model of the same width. A 48-inch single-sink unit, for example, offers about 28 inches of dry counter — ideal for styling products — while a 48-inch double-sink leaves only narrow strips between basins.
Can I convert a single sink vanity to double later?
Conversion is rarely practical. A single sink vanity has one drain rough-in and one set of supply lines centered behind the basin, so adding a second sink requires cutting into walls for new plumbing and replacing the countertop. If you anticipate needing two basins within a few years, start with a double sink vanity sized at 60 inches or wider.
Where should the sink be positioned on a single sink vanity?
On vanities 48 inches and smaller, a centered basin is standard and looks most balanced against the mirror above. On larger 60 to 72-inch single-sink models, an off-center basin is often preferred because it creates a dedicated makeup or styling zone on the opposite side. Check product specs — some designs offer reversible basin placement.
Do single sink vanities come with the sink and faucet included?
It depends on the configuration. Models labeled with top and sink include a pre-drilled countertop and mounted basin, while cabinet-only listings require you to purchase those separately. Faucets are almost never included — verify the faucet hole spacing (single-hole, 4-inch centerset, or 8-inch widespread) before buying fixtures.
