Free diagnostic tool
Type your problem — get a diagnosis
Free · Built by a Gas Safe Engineer
Diagnose your plumbing
problem in seconds.
🔧A clear fix you can do yourself — step by step
💬A plain-English explanation to take to a plumber, with a rough cost estimate
⏱Takes 2 minutes
✓Completely free
🔒No sign-up
or describe your problem
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⭐Pro Guides
Fix it yourself — save £100s
Step-by-step repairs from a Gas Safe engineer. Unlock all for less than a coffee a month.
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Online Courses
Learn how your heating & plumbing works — from £14.99
Plumbing Ebooks
5 practical PDFs — instant download — from £2.99
🚨Plumbing emergency?