What's going on with
your boiler?

Your boiler either shows a fault code (like E168) on its digital display, or it's misbehaving without a specific code — no heat, low pressure, odd noises. Either path is fine. Pick the tile that matches, or type the code directly.

Every code has a plain-English summary, a severity indicator, a rough cost to fix, and a short list of the parts most often replaced. If it's DIY-safe, you'll see step-by-step instructions. If it needs a Gas Safe engineer, we'll tell you straight.

If it's a five-minute fix, you'll be back to hot water before the kettle boils. If it's not, we link you straight to the Gas Safe Register to find a qualified engineer near you — or show you boiler cover options if the boiler is old and costing you every winter.