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.
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.
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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.