Quick Answer If you’re short on time: a Stoke Newington homeowner’s 14-year-old combi had been banging when the heating kicked in, losing pressure every couple of days, and throwing a fault code that kept clearing itself. That combination pointed to a scaled-up heat exchanger and a dying expansion vessel, not something worth patching again. We … Read more
Quick answer: Hard water is not usually the direct reason a Vaillant boiler loses pressure. If your boiler pressure keeps dropping, the more likely explanation is water escaping from the heating system, a pressure related component fault, or another problem affecting the sealed system. Hard water can still matter because repeated topping up introduces fresh mains of water, and limescale can affect … Read more
So, your boiler has finally given up, or your engineer has just told you it’s borrowed time. Now you’re staring at three names, Worcester Bosch, Baxi and Ideal, and every website seems to say something slightly different about which one to pick. Here’s the short version. Worcester Bosch is the boiler most London engineers would put in their own home if money weren’t a factor. … Read more
Quick answer: London is running warm and largely dry right now. Highs sit near 27 to 28°C, UV is at a very high level, and humidity is climbing through the day. The Met Office’s own long-range outlook for London points to that dry spell breaking over the coming days. Rain chances are rising toward the weekend and into next week. That shift, muggy … Read more
When was the last time you watched a heating engineer service your boiler? Most London homeowners don’t. The engineer arrives, spends sometime in the kitchen or utility room, hands over a service record, and the job is done. Everything appears straightforward, so it’s easy to assume every boiler service follows the same process. It doesn’t. We’ve visited homes across London where … Read more
Quick answer: London is heading into a genuine heatwave this week, with highs of 33°C forecast and temperatures staying in the high 20s through early August, before the usual seasonal cooling begins later in the year. That makes right now the smartest window to book your annual boiler service in London. Your heating is off, heating engineers … Read more
Quick answer: A new boiler installation in London typically costs £1,800–£4,500 fully fitted, depending on boiler type, property access, and whether pipework or flue work is needed. A straightforward like-for-like combi swap in a flat sits at the lower end; system boiler installs or full conversions in period houses sit at the upper end. London labour rates run roughly 20–30% … Read more
Quick answer: If you’ve typed boiler needs servicing London into a search bar tonight, you’ve probably already noticed one of the twelve signs below. Kettling. A pressure gauge that keeps dropping. A pilot flame that has turned from blue to orange. None of these are cosmetic. Our engineers find every one of them on emergency call-outs each December and January. An annual … Read more
Quick answer: London is currently in a dry, warm spell with highs of 25 to 27°C and less than a 15% chance of rain this week. Your heating is switched off, which is exactly the window a Gas Safe engineer needs to run a full diagnostic on your system without disrupting your hot water. Booking your annual … Read more
Search “boiler not heating radiators” and you’ll find the same handful of causes repeated across dozens of sites: trapped air, low pressure, a stuck diverter valve, sludge. They’re not wrong. They’re just written as a checklist to scroll through rather than the way an engineer approaches the job, which is to start from what you’re observing and rule things out in a specific order, … Read more