Plumbing Guides & How-Tos for London Homes
Free, step-by-step guides for the plumbing problems Londoners deal with most — stopcocks, leaking taps, blocked drains, noisy pipes and boiler pressure — written for the Victorian terraces, conversions and new-builds common across Tower Hamlets, Hackney, Islington, Newham and Southwark. Each guide gives you the direct fix first, then tells you honestly when it's worth calling a plumber instead.
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Stopcock: What It Is & Where to Find It
Your stopcock shuts off the water supply — usually under the kitchen sink, but not always.
Read guideHow to Turn Off Your Water Supply
Find the stopcock and turn it clockwise — most London homes are isolated within a minute.
Read guideBurst Pipe? Here's Exactly What to Do
Turn off the stopcock first, within minutes — every minute the water runs adds more damage.
Read guideHow to Fix a Leaking Tap
Most leaking taps are fixed in 20-30 minutes by replacing a worn washer or cartridge.
Read guideLeaking Toilet? Here's Why It's Running and How to Fix It
A running toilet is usually a worn fill valve, flush valve or flapper — all cheap, quick fixes.
Read guideToilet Leaking at the Base? Here's What's Actually Wrong
Water pooling round the base is nearly always a failed wax seal, loose connector or cracked pan.
Read guideLeak Under the Sink? Here's How to Find and Fix It
The trap, waste pipe, isolation valve or a flexi-hose is almost always the culprit, not the tap.
Read guideLeak Under the Bath? Here's How to Find and Fix It
Failed sealant, a dripping waste trap or an overflow connection cause nearly every bath leak.
Read guideLow Water Pressure in Your House: Causes and Fixes
Weak pressure is almost always a closed valve, an airlock, or a genuine mains fault.
Read guideNoisy Water Pipes: Why They Bang and How to Stop It
Banging pipes are usually water hammer, loose pipe clips, or trapped air — often fixable yourself.
Read guideBoiler Losing Pressure? Why It Happens and How to Fix It
A boiler losing pressure is almost always a small leak, an open valve, or trapped air.
Read guideHow to Unblock a Sink
Most blocked sinks clear in under 20 minutes with a plunger, U-bend clean-out or drain snake.
Read guideHow to Unblock a Shower Drain
Most blocked shower drains clear in under ten minutes once you pull the trap and clear the hair.
Read guideHow to Reseal a Shower
Resealing means stripping the old bead back to bare tile, cleaning the joint, and laying a fresh one.
Read guideHow to Remove Mould from Shower Silicone
Surface mould usually lifts with bleach or a silicone mould gel — deeper staining needs a new bead.
Read guideNot Sure If You Need a Guide or a Plumber?
If water is actively leaking, a pipe has burst, or you've lost water or heating entirely, skip the guide and call us straight away — those are genuine emergencies. Everything else on this page — a dripping tap, a slow drain, a noisy pipe — is safe to try yourself first, and each guide tells you exactly when to stop and call instead.
FAQs
Are these plumbing guides free to use?
Yes — every guide on this page is free, with no sign-up needed. They cover the same fixes our engineers use on site, so you can try the safe DIY steps first and know exactly when it's worth calling a plumber instead.
Can I fix these plumbing problems myself?
Many of the issues covered here — a dripping tap, a blocked sink, a noisy pipe — are safe to try yourself with basic tools. Each guide is honest about where DIY stops being sensible and calling a plumber starts, particularly for anything involving gas, hidden leaks or a stopcock that won't move.
What should I do if a guide doesn't fix my problem?
If you've worked through a guide and the problem hasn't cleared, or it's made you unsure it's safe to continue, call us on 07460 824073. We give free, no-obligation quotes for most jobs; for a same-day emergency call-out, a fixed call-out fee applies and you'll know about it upfront.
Do these guides apply to London homes specifically?
Yes — they're written with London's housing stock in mind, including the Victorian terraces, conversions and new-build flats common across Tower Hamlets, Hackney, Islington, Newham and Southwark, where pipework, stopcock locations and common faults differ from a generic national guide.
Guide didn't fix it? Call us.
Free, no-obligation quotes for most jobs — call now and we'll talk you through next steps.
Call 07460 824073