LS LeakScan Get early access

Common plumbing problems

Water where it shouldn't be? Start here.

★ Start here — The 5-Minute Home Leak Check
Six places your home leaks first, a 30-second test for each, free and printable.

Clear, honest guidance on the most common UK household leaks — what's likely causing it, how urgent it is, and exactly what to do next.

In any leak, do this first: turn off the water at your stopcock. Then find your problem below.

Start here

Decide

Is a water leak an emergency?

Red, amber or green — how urgent yours is and what to do.

Read → Emergency basics

How to turn off your water

Find your stopcock and stop the water fast.

Leaks around the home

Leak under the kitchen sink

Trap, hose or supply joint — find which and stop it.

Read → Can be red

Water leaking from the ceiling

Stop the water, stay safe around electrics, act fast on a bulge.

Read → Usually amber

Toilet leaking from the base

Clean or dirty water tells you the cause.

Dripping tap

Washer or cartridge — a cheap DIY fix.

Read → Usually amber

Washing machine leaking

Back, front or underneath points to the cause.

Read → Usually amber

Leaking compression fitting

A careful quarter-turn usually seals it.

Heating & hidden leaks

Boiler leaking water

Make it safe, then call a Gas Safe engineer.

Read → Usually amber

Radiator leaking

Valve, spindle or a corroded panel.

Read → Hidden leak

Water meter spinning, taps off

Confirm and track down a hidden leak.

Don't want to guess?

Snap a photo of the problem and LeakScan names the likely cause, tells you how urgent it is, and what to do next.

Get early access →

Snap it. Know it. Fix it.

Renting? LeakScan sends the photo, the AI diagnosis and how urgent it is straight to your landlord’s inbox — timestamped proof you reported it. A landlord? Every tenant report lands in one place. See how →