Spacing checked first
We measure the clear run and confirm two basins fit properly before quoting, because under sixty inches the answer is usually no.

Bathroom vanities
Double vanity cabinets in Louisville live or die on the wall length, so the run gets measured before anyone talks about door styles.
Double vanity cabinets in Louisville cover one continuous carcass with two basin positions, the drawer and door layout between and beneath them, and the finish. The countertop is quoted separately when it is stone, since that is templated after the base is set.
Both sets of pipework get drawn in at the start. Two wastes and two pairs of supplies eat more of the interior than people expect, and the drawer layout has to work around them.

We measure the clear run and confirm two basins fit properly before quoting, because under sixty inches the answer is usually no.
Both wastes and both supplies are drawn in, so drawers are built around them rather than cut on site.
Storage is arranged so there is still countertop between the basins instead of two bowls end to end.
Each stage is signed off before the next one starts.
We measure the room itself rather than working from the plan, because walls are rarely square and the plan is rarely what got built. Every opening gets checked.
You get a layout and a written estimate broken down by stage, so you can see what the doors cost against the boxes against the install. Free, nothing to sign.
Cabinetry is built to the measurements we took, in the wood, door style and finish you picked. Lead time depends on the scope and we tell you before you commit.
Scribed to the walls, levelled, and fixed properly. Hardware adjusted so every door and drawer sits straight before we leave.
Sixty inches of clear wall is roughly where a second basin stops costing you counter.
Households where two people are in the bathroom at the same time on a weekday. That is the whole case for it, and it is a good one.
It stops making sense when the wall cannot carry it. In a lot of older Louisville bathrooms the run is 48 or 54 inches, and forcing two basins into that leaves nowhere to put anything down, which is the thing people miss until they are living with it.
We measure the clear run wall to wall, then check it against the spacing two basins actually need. If it does not work we say so, because a cramped double is a downgrade from a good single.
Where it does work, the basin centers get set first and the storage is laid out around the traps. Build and finish happen in the shop, and fitting is scribed to the walls so both ends sit tight.
Pricing follows custom cabinetry generally, so nationally that is roughly $500 to $1,200 per linear foot for full custom and $150 to $650 semi-custom. A double is a longer run than a single, so expect it to land near double the cabinet cost.
The second basin also brings a second set of plumbing connections and a larger countertop with two cut-outs. Those are separate trades and they move the total more than the extra cabinetry does.
When the run is short, one basin with proper drawer storage beats two crammed in. That is custom bathroom vanities in Louisville, and it usually leaves the room feeling bigger.
If the real problem is that nothing has anywhere to live, bathroom storage & linen cabinets solve more than a second sink will. The same shop builds custom closets in Louisville, and we work across the metro including cabinets in Prospect.
Get a free written estimate and we will measure your Louisville bathroom wall before quoting.
About 60 inches of clear run as a working minimum. Below that you get two cramped basins and no counter between them, which is worse day to day than one basin done well.
Around 30 inches center to center at a minimum, and 36 is comfortable. Closer than that and two people at the vanity are in each other's way.
The cabinetry roughly scales with length, but the second basin also brings a second set of plumbing connections and a larger countertop with two cut-outs. Those extras often move the total more than the cabinetry does.
Only if the run is long enough and the plumbing can be extended. It is usually a new vanity rather than a modification, because the interior has to be rebuilt around a second trap.
We stay inside about 20 miles of Louisville, close enough to measure, template and install without the schedule slipping. These are the areas we cover most often.
Tell us the room and what you want out of it. You get a written estimate broken down by stage, free, with nothing to sign.