Why does my toilet keep running after I flush?

Question

Can I fix this myself? After flushing, the toilet doesn’t stop running and the cistern keeps filling with water. How much would it cost to get a plumber to fix?

Henry · Accepted Answer

Hi  Its a simple repair and depends on the age of the appliance, normally a simple washer or you may take the view to replace the cold water valve and siphone which can be bough as a pack and fitted simply

Ishaq · Answer

The washer on the flush valve needs changing, you can isolate the water and you can change the flushing valve

Kollathodi · Answer

Possibly filler valve issue. It can be easily fixable by changing the value or washers. It costs 11 pound for parts and 20/25 for labour .

Gareth · Answer

the water level is too high 
you need to adjust the flush valve

Gordon · Answer

Requires a new syphon varies in price depending on cistern anything between £90-£150

Steffen · Answer

The system inside the cistern is broken and needs replacing

Martin · Answer

Sounds like flush machine has failed and is not shutting off. And as for cost that all depends on area you live and parts needed

Ashley · Answer

There are two possible causes.

1. The flush valve seal is worn or dirty or the valve itself isn't seating correctly.

2. The fill valve could be overfilling causing the cistern to oveflow into the bowl.

Both issues are easily resolved by repair or replacement of components.

Robert · Answer

Good afternoon. I think about £100-£150. Need to be changed syphon

Gavin · Answer

Hi, not really a diy fix, sounds like the inlet valve is not shutting off.
Parts and labour around £95, give or take depending on the style of toilet

Why does my toilet keep running after I flush?

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