Drains & Plumbing Advice

Expert drains & plumbing boiler and heating guides from our Gas Safe registered engineers in Milton Keynes.

40 articles in this category.

How to Remove a Radiator for Decorating

Taking a radiator off the wall is a half-hour job if you close both valves properly first. Here's the sequence, and the mistake that floods a carpet.

August 27, 2026

7 min read

Drains & Plumbing

How to Bleed a Towel Radiator

Towel rails trap air more than any other radiator because of their shape. Here's how to bleed one properly, and what to do when it still stays cold.

August 27, 2026

6 min read

Drains & Plumbing

Radiator Valve Types Explained

Thermostatic, lockshield, manual and smart valves all do different jobs. Here's what each one is for, how to tell them apart, and which end they belong on.

August 27, 2026

7 min read

Drains & Plumbing

How to Drain a Central Heating System

Draining down is straightforward if you do it in the right order. Here's the full sequence, plus how to refill without airlocking every radiator.

August 27, 2026

7 min read

Drains & Plumbing

What Size Radiator Do I Need? BTU Guide

Radiator sizing comes down to room volume, heat loss and how the room is used. Here's how to work out the BTU you need without guessing.

August 27, 2026

7 min read

Drains & Plumbing

Thermostatic Radiator Valves: Full Guide

TRVs control room temperature, not radiator heat. Here's what the numbers mean, why one room stays cold, and how to free a seized pin in two minutes.

August 27, 2026

7 min read

Drains & Plumbing

Why Is My Radiator Leaking? Causes & Fixes

A leaking radiator is usually the valve, the spindle or a corroded panel. Here's how to identify which, and what to do while you wait for a repair.

August 27, 2026

6 min read

Drains & Plumbing

How to Fix a Leaking Radiator Valve

Most radiator valve leaks are a loose union or a perished spindle O-ring. Here's how to fix each without draining the system, and when you have to.

August 27, 2026

6 min read

Drains & Plumbing

Hot Water Cylinder Replacement Guide

When a cylinder needs replacing, what vented and unvented actually mean for your home, and the costs and rules that apply to each.

August 27, 2026

7 min read

Drains & Plumbing

Water Hammer: Why Your Pipes Bang

That bang when a tap shuts off is a pressure shockwave, and it damages joints over time. Here's what causes it and the fixes that actually work.

August 27, 2026

6 min read

Drains & Plumbing

How to Read a Water Meter

Reading your water meter takes a minute, and the same reading run twice is the simplest way to prove you have a hidden leak. Here's how to do both.

August 26, 2026

6 min read

Drains & Plumbing

Low Water Pressure in Your Shower?

A weak shower is usually a blocked head, a partly closed valve, or a system that was never going to deliver much. Here's how to tell which.

August 26, 2026

7 min read

Drains & Plumbing

Cold Water Tank in the Loft Explained

What the tank in your loft actually does, why some homes have one and others don't, and the maintenance that stops it becoming a problem.

August 26, 2026

7 min read

Drains & Plumbing

How to Fit an Outside Tap

Fitting an outside tap is a half-day job, but it must include a double check valve to meet the water regulations. Here's the full sequence.

August 26, 2026

7 min read

Drains & Plumbing

Where Is My Stopcock? How to Find It

If water is coming through a ceiling you need the stopcock in seconds. Here are the places it hides and what to do if it will not turn.

August 26, 2026

5 min read

Drains & Plumbing

Immersion Heater Not Working? Fixes

No hot water from the immersion usually means a tripped cut-out, a failed element or a supply fault. Here's how to check each one safely.

August 26, 2026

6 min read

Drains & Plumbing

Shower Pump Not Working? Causes & Fixes

A shower pump that hums, cuts out or will not start is usually airlocked, jammed with scale or has a failed flow switch. Here's how to tell which.

August 26, 2026

6 min read

Drains & Plumbing

Shower Tray Leaking? How to Find It

Water appearing outside a shower is usually failed sealant, a leaking waste or a tray that flexes. Here's how to test each one and find the real source.

August 26, 2026

6 min read

Drains & Plumbing

How to Turn Off Water at the Mains

In a burst or a leak, the first thirty seconds matter. Here's exactly what to do, in what order, and what to do if the stopcock will not turn.

August 26, 2026

5 min read

Drains & Plumbing

How to Find a Water Leak at Home

A leak with no visible source can be traced with the water meter and a few isolation valves. Here's the method that narrows it fastest.

August 26, 2026

7 min read

Drains & Plumbing

Dripping Tap? How to Fix It in an Hour

A dripping tap is nearly always a worn washer or cartridge. Here's how to identify which type of tap you have and fix it properly, in under an hour.

August 25, 2026

7 min read

Drains & Plumbing

How to Change a Tap Washer: Full Guide

Changing a tap washer is a twenty-minute job with basic tools. Here's the full sequence, the sizes to buy, and what to do when the seat underneath is worn too.

August 25, 2026

6 min read

Drains & Plumbing

Toilet Keeps Running? Five Common Causes

A toilet that runs constantly can waste hundreds of litres a day. Here are the five things that cause it and how to identify which one you have in minutes.

August 25, 2026

7 min read

Drains & Plumbing

New Bathroom Cost UK 2026: Real Prices

What a new bathroom actually costs in 2026, broken down by size, spec and the jobs that quietly add the most. Includes where quotes usually differ.

August 25, 2026

8 min read

Drains & Plumbing

Leaking Toilet Cistern: Causes and Fixes

Water pooling behind the toilet usually means a perished doughnut washer, a failed inlet connection or a hairline crack. Here's how to find which.

August 25, 2026

6 min read

Drains & Plumbing

How to Replace a Toilet Seat Properly

Replacing a toilet seat takes ten minutes once you have measured correctly. Here's how to measure, what to do about seized fixings, and how to stop it going wonky.

August 25, 2026

5 min read

Drains & Plumbing

Bathroom Installation Cost: What to Pay

What bathroom fitters actually charge for labour, how day rates and fixed prices compare, and which jobs are quoted separately. A guide to reading the labour line.

August 25, 2026

7 min read

Drains & Plumbing

How to Fix a Running Toilet: Step-by-Step

Once you know which part is failing, fixing a running toilet is a half-hour job. Here's the repair sequence for each fault, with the tools and parts you need.

August 25, 2026

7 min read

Drains & Plumbing

Shower Installation Cost 2026

What it costs to fit a shower in 2026, by type — electric, mixer, power and digital — plus the electrical and pressure factors that decide which you can have.

August 25, 2026

7 min read

Drains & Plumbing

How to Fit a Toilet: Complete Guide

Fitting a toilet is a half-day job if the waste lines up. Here's the full sequence, the pan connector choices, and how to avoid the leaks that show up a week later.

August 25, 2026

8 min read

Drains & Plumbing

How to Unblock a Toilet: 6 Methods That Work

A blocked toilet can usually be cleared in ten minutes without a plumber. Here are six methods that actually work, in the order a professional would try them, plus the warning signs that mean you should stop.

August 24, 2026

8 min read

Drains & Plumbing

How to Unblock a Sink Without Chemicals

Most blocked sinks are caused by fat and food waste in the U-bend, and clear without chemicals. Here is the order to try things in, and how to clean the trap properly in under fifteen minutes.

August 24, 2026

7 min read

Drains & Plumbing

Washing Machine Not Draining? Causes & Fixes

A washing machine full of water usually means a blocked filter, a kinked hose or a blocked standpipe. Here is how to work through the causes safely, and which ones are a plumbing problem rather than an appliance fault.

August 24, 2026

7 min read

Drains & Plumbing

Blocked Outside Drain: How to Clear It

An overflowing outside drain usually means a blockage between your property and the sewer. Here is how to lift the cover safely, use drain rods properly, and work out whether the blockage is yours to fix or the water company's.

August 24, 2026

8 min read

Drains & Plumbing

Smelly Drains: Causes and How to Stop Them

A drain that smells of sewage usually means a dried-out trap, a build-up of waste in the pipe, or a failed seal — not a blockage. Here is how to identify which one you have and fix it properly.

August 24, 2026

7 min read

Drains & Plumbing

Toilet Not Flushing Properly? Here's Why

A weak or incomplete flush is nearly always a cistern problem, not a blockage. Here is how to check the water level, flush valve and siphon, and fix the most common causes yourself.

August 24, 2026

7 min read

Drains & Plumbing

How to Unblock a Bath: Step-by-Step

A slow-draining bath is almost always hair and soap in the trap or waste. Here is how to clear it properly, including the overflow trick that makes plunging actually work.

August 24, 2026

6 min read

Drains & Plumbing

Airlock in Your Pipes? How to Clear It

Spluttering taps, banging pipes and no flow from one outlet usually mean trapped air. Here is how to identify an airlock and clear it, including the hose method that works when nothing else does.

August 24, 2026

6 min read

Drains & Plumbing

Why Is My Water Brown? What It Means

Brown or orange tap water is usually iron from disturbed mains sediment or corroding pipework. Here is how to tell which, whether it is safe, and what to do about it.

August 24, 2026

6 min read

Drains & Plumbing

Waste Pipe Leaking Under the Sink? Fix It

A drip under the kitchen sink is usually a loose collar or a twisted washer, not a cracked pipe. Here is how to find the exact source and fix it, and when the leak means something more serious.

August 24, 2026

6 min read

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