Toilet Leaking at the Base
Stop using that toilet. Water at the base after a flush almost always means the seal between the pan and the floor has failed, and every flush is putting waste water into the subfloor and the ceiling below.
What to do right now
Do these first. None of them need tools or plumbing knowledge, and they limit what this ends up costing you.
Stop and get out if any of these are true
A saturated ceiling holds a surprising amount of weight and can come down all at once. Keep everyone out of the room below and do not stand under it to catch drips.
- Stop using the toiletEvery flush sends water under the pan and into the floor. If it is the only toilet in the house, shut its valve and call, because the damage accumulates quickly.
- Work out whether it leaks on flush or constantlyDry the floor completely and watch. Wet only after a flush points to the wax ring or the closet flange. Wet continuously points at the supply connection or the cistern instead, which is a much smaller problem.
- Photograph everything before you clean upPhotos and a short video of the water, the source and every damaged item. If you claim on insurance this is the evidence, and it cannot be recreated once the area is dry.
Does this need a plumber tonight?
- Water appearing at the base after every flush
- A stain forming on the ceiling below
- A toilet that rocks or moves when you sit on it
- Sewage smell around the base
- A small amount of water traced to the supply connection
- Condensation on the cistern in humid weather
- A toilet you have taken out of use
Wax ring, or something simpler
If it is wet only after a flush, it is the seal underneath. If it is wet all the time, look at the supply line connection and the bolts on the cistern first, because those are far easier to fix.
Condensation is worth ruling out too. In humid weather a cold cistern sweats and drips onto the floor, which looks exactly like a leak and is not one. Dry it and watch whether the moisture returns evenly across the cistern or pools at the base.
A toilet that rocks is a strong signal. Movement breaks the wax seal, and once broken it does not reseal itself. If yours moves at all when you sit down, that is likely both cause and diagnosis.
Why it matters more than it looks
Because the water going into the floor is not clean, and because it goes somewhere you cannot see. A failed wax ring is a small repair that frequently arrives attached to a large floor repair.
In a two storey Ogden home the usual sequence is a stain appearing on the ceiling below the bathroom, growing only after the toilet is used. By that stage the subfloor around the flange has often been wet for months.
The repair itself is straightforward: lift the pan, replace the wax ring, check and if necessary repair the closet flange, reset and reseal. What decides the cost is whether the flange and the subfloor beneath it are still sound.
What this costs
[PLACEHOLDER: PRICING] Pending from the client.
Resetting a toilet on a new wax ring is a modest job. A corroded or broken closet flange, or a rotted subfloor around it, is what turns it into a larger one, and that cannot be known for certain until the pan is lifted. You will be told before that work proceeds.
Questions people ask about this
Can I just caulk around the base?
No. Sealing the outside traps the water underneath and hides the evidence while the subfloor continues to rot. It is one of the more damaging pieces of advice on the internet.
How long can I leave it?
Stop using it now. Each flush adds contaminated water to the floor structure, and the repair cost rises with the delay far faster than the plumbing part does.
My toilet rocks slightly. Is that related?
Almost certainly. Movement breaks the wax seal. Shimming and resetting the pan properly on a fresh ring is the fix, and simply tightening the bolts often cracks the china instead.
If that is not quite what you have
Not sure how urgent this is?
Describe what you can see and hear. We will tell you whether it needs someone tonight, and what to do in the meantime either way.
Or send it over
Four things and a photo.