Toilet keeps running in Clearwell? Here's what to do.
A constantly-running toilet wastes 200+ litres of water a day and will eventually push your bill up if you're metered. The fix is one of two parts inside the cistern.
Try this first
Safe steps you can take in the next 10 minutes — in order.
- 1Lift the cistern lid and watch — see whether water is leaking past the flush valve or constantly coming in via the float valve.
- 2Replace the flush valve seal (£8, 20 minutes) if water is bypassing it.
- 3Replace the float valve (£15, 30 minutes) if water is constantly filling.
- 4Descale the flush valve seat with white vinegar and a cloth.
When to stop and call
If you've tried both fixes and the issue continues, the cistern itself may be cracked. Time for a new WC.
Likely causes
Most cases of a toilet that keeps running in Clearwell homes come down to one of these.
- Failed flush valve seal at the bottom of the cistern
- Failed float valve allowing constant fill
- Limescale on the flush valve seat
- Worn dual-flush mechanism (modern toilets)
What it costs to fix in Clearwell
Quick fix
£75
Typical
£130
Worst case
£320
Most repairs are a callout plus parts. Full WC replacement supply-and-fit from around £280.
The service that fixes this
Fast-response emergency plumbing for burst pipes, major leaks, and no hot water — available when you need us most.
See emergency plumber in Clearwell →Quick questions
Can I fix a toilet that keeps running in my Clearwell home myself?
Sometimes yes — the steps above cover the common DIY fixes. If you've tried both fixes and the issue continues, the cistern itself may be cracked. Time for a new WC.
What does fixing a toilet that keeps running typically cost in Clearwell?
Around £130 for the typical repair (range £75–£320). Most repairs are a callout plus parts. Full WC replacement supply-and-fit from around £280.
How quickly can someone come out in Clearwell?
For genuine emergencies in Clearwell we usually attend within 1–3 hours during weekdays. For non-urgent jobs we typically book within 2–5 working days.
Is this an emergency?
Usually no. A toilet that keeps running can normally wait until the next working day, which keeps the cost down. Genuine emergencies are flooding, no water at all, or gas smells.
Toilet keeps running in nearby areas
Need someone out today?
We cover Clearwell and the wider Gloucestershire area for fast plumbing and bathroom repairs.
Call 07927 593 585Recent work nearby
Nothing AI-rendered, nothing stock — these are jobs we've delivered in and around Gloucestershire.
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Five-minute call, honest opinion on what's involved, no pressure. If it's not the right fit we'll tell you.
In short
We don't try to be everything to everyone. Emergency Plumber within 25 miles of Coleford is our patch, and we know it well enough to spot most quirks before stripping out. That's why our quotes stick.
What to know about this area
Emergency Plumber jobs in Clearwell are scheduled around the realities below — postcode coverage, nearest roads, councils involved, and the named places we travel to from there.
Gloucestershire County Council — covering GL postcode district.
We reach Clearwell via M5, A40, A417 — and serve sites within roughly 25 miles of here.
- Coleford~4 mi
- St Briavels~6 mi
- Lydney~8 mi
Quedgeley West Business Park · Kingsditch Trading Estate
Most of the county is reachable inside an hour from our Gloucester base via the M5 and A40.