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.
Safe steps you can take in the next 10 minutes — in order.
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.
Most cases of a toilet that keeps running in Olveston homes come down to one of these.
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 Olveston →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.
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.
For genuine emergencies in Olveston we usually attend within 1–3 hours during weekdays. For non-urgent jobs we typically book within 2–5 working days.
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.
We cover Olveston and the wider South Gloucestershire area for fast plumbing and bathroom repairs.
Call 07927 593 585Nothing AI-rendered, nothing stock — these are jobs we've delivered in and around South Gloucestershire.



Same-day call back during working hours. No call centres, no sales pitch — you talk to the person who'd actually do the job in Olveston.
Next step: get a written quote. We travel to Olveston (and anywhere within 25 miles of Thornbury) without a callout fee. Bring photos of the room if you have them — it saves a visit.
Emergency Plumber jobs in Olveston are scheduled around the realities below — postcode coverage, nearest roads, councils involved, and the named places we travel to from there.
South Gloucestershire Council — covering BS, GL postcode districts.
We reach Olveston via M4, M5, M48 — and serve sites within roughly 25 miles of here.
Aztec West · Severnside
South Gloucestershire is reached via the M5 J14, typically 35 minutes from our base.