How do I stop a toilet that keeps running?

Turn off the isolation valve on the pipe feeding the cistern, usually a small screw-slot valve. That stops the water without turning off the whole house.

What if my only toilet is blocked?

That counts as urgent. Call and a plumber will call you back to arrange a visit.

Can I use drain unblocker in a toilet?

It's best avoided. Strong chemicals rarely shift wipes or solid blockages and can damage seals and pipes, as well as being dangerous for the plumber who comes next.

Toilet blocked, leaking or won't stop running?

Covering Bromley, Sidcup, Bexley and Dartford.

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Covering Bromley, Sidcup, Bexley and Dartford

Common toilet problems

Most toilet emergencies are a blockage, a cistern that won't stop running or a leak at the base, and each has a simple first step.

Blocked: stop flushing. Try a cup plunger with a few firm pushes. If the water won't go down, or other drains are slow too, the blockage is probably further down the drain.
Constantly running: usually a worn flush valve washer or a faulty fill valve. Turn the isolation valve on the pipe to the cistern (a slot you turn with a flat screwdriver) to stop the water while you wait.
Leaking at the base: could be a failed seal or a cracked pan. Turn off the isolation valve and avoid using it.
Won't flush: often a broken flush mechanism or button, a quick fix for a plumber.

Toilet repairs by town

We arrange help with toilet repairs across all four towns below; each page has local tips for that area.

How it works

You call or request a callback, a local plumber who covers your area rings you, and you agree a price with them before any work starts.

Call the number on this page. The line takes a few details: what's wrong, how urgent it is and your postcode.
Your job goes to independent local plumbers who cover your area.
A plumber calls you back to talk it through and agree a price before any work starts.

About the plumber

[Placeholder: the plumber's name, Gas Safe registration number, Checkatrade or Which? Trusted Traders profile and insurance details will be added here once a local plumber is signed up.]

Questions people ask

How do I stop a toilet that keeps running?: Turn off the isolation valve on the pipe feeding the cistern, usually a small screw-slot valve. That stops the water without turning off the whole house.
What if my only toilet is blocked?: That counts as urgent. Call and a plumber will call you back to arrange a visit.
Can I use drain unblocker in a toilet?: It's best avoided. Strong chemicals rarely shift wipes or solid blockages and can damage seals and pipes, as well as being dangerous for the plumber who comes next.

Ready to get it sorted?

Call UsCall Us 07861 925301

Areas and services

Pick your town or the problem you have; every page is one tap from here.