Which? Trusted Trader — independently vetted & approvedPractical plumbing and heating advice for West London homes — written by the engineer who actually does the work.
Based in Brentford TW8 — fast response across West London.
Heating on for the first time this autumn and a radiator cold at the top? It probably just needs bleeding. Here is how to do it safely, and when it is a sign of something more.
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Topping the boiler up every few weeks is not normal. Here is what a dropping pressure gauge is actually telling you, and what to do about it before winter.
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Nursing an old boiler through one more winter is the most expensive way to do it. Here's why the warmer months are the smart time to plan a new one.
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Once a year — but here's why that actually matters, and what happens inside a neglected system.
Read more →A warm top and a cold bottom means one thing: sludge. Here's how thermal imaging finds it and a powerflush fixes it.
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No boiler in your new Brentford flat? You have a Heat Interface Unit — and it needs looking after too.
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L1 usually means your boiler has locked itself out to stay safe — often down to circulation, a sensor, or sludge. Here is what is happening and what to do.
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F1, L1, EA... boiler fault codes look alarming, but they are just your boiler telling you what is wrong. Here is how to read them and what to do.
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Banging, humming, gurgling or whistling — each boiler noise means something different. Here is how to tell what yours is trying to say.
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We are Vaillant Advance installers, so we fit and repair them every week. Here is our genuine take on whether they are worth it.
Read more →Gas leak, burst pipe or no heating? Emergencies go straight to the front of our queue. Outside working hours, leave a message or send us a WhatsApp and we'll come back to you first thing.