Expert tips, guides and insights on keeping your home warm, safe and energy efficient.
Is your heating struggling? Discover why central heating sludge builds up and how a professional power flush can restore efficiency to your home.
Take control of your energy bills and comfort by understanding how to use Thermostatic Radiator Valves effectively in your home.
From quiet whirring to loud banging, gurgling and grinding — learn which boiler noises are normal, which need an engineer, and what causes them.
Take control of your home heating with these expert tips to optimise your settings, improve comfort, and reduce energy bills in Berkshire and beyond.
Learn how central heating inhibitor prevents sludge and rust buildup in your radiators, extending the lifespan of your boiler system.
Struggling to decide if you should repair or replace your aging boiler? Learn the key signs and cost factors to make an informed decision for your home.
The F.29 fault code means your Vaillant boiler lit but the flame went out during operation. Here's what causes it and what to check.
The F.54 fault code on your Vaillant boiler means insufficient gas supply. Here's what to check and when to call an engineer.
Has your Worcester Bosch boiler locked out? Here's how to safely reset it, what to check first, and when to call a Gas Safe engineer.
The E9 fault code on your Worcester Bosch boiler means the safety temperature limiter has tripped. Here's what causes it and what to check.
The L2 fault code on your Ideal boiler means ignition lockout. Here's what causes it and what to check before calling an engineer.
The F2 fault code on your Ideal boiler means the flame was lost during operation. Here's what causes it and what to check.
The F3 fault code on your Ideal boiler means a fan fault. Here's what causes it and why you need a Gas Safe engineer.
The E118 fault code on your Baxi boiler means the water pressure is too low. Here's how to fix it yourself.
The E128 fault code on your Baxi boiler means frequent loss of flame. Here's what causes it and what to do.
The E160 fault code on your Baxi boiler means a fan fault. Here's what causes it and why you need a Gas Safe engineer.
The F.28 fault code on your Glow-worm boiler means ignition was unsuccessful. Here's what causes it and what to check.
The F.20 fault code on your Glow-worm boiler means the safety thermal cut-out has tripped. Here's what causes it and what to check.
If your boiler keeps running and won't turn off, there's a fault. Here are the common causes and what you can do about it.
No hot water from your boiler? Here are the most common causes — from a faulty diverter valve to a blocked heat exchanger — and what you can do.
The diverter valve is one of the most common components to fail on a combi boiler. Here's how to spot the symptoms and what to do about it.
If your boiler pump keeps running after the heating goes off, it's usually normal — but not always. Here's what pump overrun means and when to worry.
A frozen condensate pipe is one of the most common winter boiler problems — and you can often fix it yourself. Here's how to thaw it and prevent it happening again.
A complete reference guide to fault codes for Vaillant, Worcester Bosch, Ideal, Baxi, and Glow-worm boilers — what each code means and whether you can fix it.
The F.22 fault code on your Vaillant boiler means the water pressure has dropped too low. Here's what it means and how to fix it.
The F.20 fault code on your Vaillant boiler means the temperature limiter has tripped — the boiler was overheating. Here's what to do.
Your Vaillant boiler is showing the F75 fault code? Don't panic. Here's what F75 means, the common causes, and what you can do before calling a Gas Safe engineer.
The F61 fault code on your Vaillant boiler means a gas valve control system fault. Here's what it means, what causes it, and what to do next.
The F28 fault code means your Vaillant boiler has tried to ignite but failed. It's one of the most common Vaillant faults — here's what causes it and what to check.
The E133 error code on your Baxi boiler means a gas supply fault. Here's what it means, what to check, and when to call a Gas Safe engineer.
The EA fault code on your Worcester Bosch boiler means the flame has not been detected or has gone out. Here's what causes it and what to check.
The F1 fault code on your Ideal boiler means low water pressure. The good news? This is one fault you can often fix yourself. Here's how.
The F22 fault code on your Glow-worm boiler means the water pressure has dropped too low. Here's what it means and how to fix it.
No heating? No hot water? Strange noises? Here are the 12 most common boiler problems, what they mean, and what you can do about them.
If your boiler is making a rumbling, banging, or popping noise like a kettle boiling, it's kettling. Here's what causes it, why it's dangerous, and how to fix it.
If you keep having to repressurise your boiler, you have a leak. Here's what causes boilers to lose pressure and what to do about it.
Discover how zoning your heating system can boost comfort and slash energy bills in your Berkshire, Oxfordshire, or Hampshire home.
Is your heating system sluggish? Discover how power flushing can restore heat and efficiency to your home, keeping you warm in Berkshire and beyond.
Join the nation in testing your boiler before the cold snap. Follow Sanju's Heating five-step boiler test to avoid an emergency call-out this winter.
Is your central heating sluggish? Learn how power flushing can restore heat and efficiency to your home in Newbury and surrounding areas.
Discover why your radiators are cold at the top and learn the simple steps to restore your home's warmth today.
Don't let your boiler seize up this summer. Follow our expert tips to keep your heating system in top condition until the colder months return.
Discover why your radiators are cold at the bottom and how professional power flushing can restore your home heating efficiency.
Discover how smart TRVs can transform your home comfort and slash energy bills by giving you room-by-room temperature control.
Is your boiler displaying an error code or showing low pressure? Discover why this happens and how to safely resolve it with our expert guide.
Is your boiler displaying a low-pressure error? Learn why this happens, how to safely top it up, and when to call Sanju's Heating & Plumbing for expert help.
Is your boiler locking out during a cold snap? Learn how to safely thaw your frozen condensate pipe and when to call Sanju's Heating & Plumbing for help.
Is your boiler whistling, banging, or gurgling? Learn what these common noises mean and when it is time to call a professional for help.
From 1 October 2026, gas engineers must follow the new IGEM/UP/1B Edition 4 tightness testing rules. Here's what's changing and how it impacts your boiler installation or service.
From dripping taps to blocked drains, here's a quick guide to the most common plumbing issues and what you can do before calling a professional.
If you're a landlord, a Gas Safety Certificate (CP12) is a legal requirement. Here's everything you need to know about staying compliant.
Not sure which boiler type to choose? We break down the differences between combi, system and regular boilers to help you decide.
Cold spots at the top of your radiators? Here's a simple guide to bleeding your radiators and getting your central heating working efficiently again.
Simple, proven ways to cut your gas and electricity bills without sacrificing comfort — from smart thermostats to draught-proofing.
From strange noises to rising energy bills, here are the top warning signs that it's time to upgrade your old boiler to a modern, efficient model.