Can you convert a double sink to a single without replacing the countertop?
You can replace a double sink with a single basin while keeping your existing countertop, provided the new sink fits the cutout. The process involves removing the unused section of plumbing and capping off the extra water lines on the right side.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Trimming the countertop corners where the new sink drops in to fit different templates
- 2Doing a bit of plumbing rework during installation
In their words
Unedited, most upvoted first, each linked to the thread it came from.
“My question is, is it as simple as removing the section in the red circle and replacing it with one that only goes to the left? Then obviously capping the water lines on the right side.”source ↗
“Is there a better way to do this like leaving that area as it and just cutting and caping the pipe to the right?”source ↗
“Does anyone know if you can replace this type of sink and faucet with a larger single basin sink and a nicer faucet without changing the counter tops?”source ↗
“We are on a tight budget and don’t want to replace the counter tops but the sink that’s in the house now is incredibly shallow.”source ↗