Latest Articles

Seeing an EA, E9, A7 or C6 code on your Worcester boiler? Find out what it may mean, what to check safely and when to call an engineer.

No hot water can have a simple cause. Learn what to check on your boiler, cylinder, controls and immersion heater before calling for help.

Is just one radiator cold? Follow these safe checks for a stuck TRV, closed lockshield, trapped air, sludge or restricted pipework.

Boiler installation timescales depend on far more than the boiler itself. We explain how your property, heating system, pipework and access affect the work involved.

Boiler keeps locking out with gurgling or trickling noises? It could be a blocked condensate pipe. See the main causes, simple checks you can do, and fixes that stop repeat faults.

Stuck between a combi and a system boiler? Get a clear, no‑nonsense comparison focused on performance, space and day‑to‑day comfort in typical London homes.

Not sure if you need to bleed or balance your radiators? Learn how to tell the difference and follow a simple, step‑by‑step balancing method for a warmer, more even home.

Spotted water under your boiler? Learn what it usually means, the first safety steps to take, common causes, red flags to watch for and when to call in a Gas Safe engineer.

Got hot water but no heating and your pressure looks fine? Learn how combi and system boilers fail differently, what those symptoms point to, and what an engineer checks.

Find out why your boiler is banging — kettling, trapped air, limescale or circulation faults — plus safe checks to try before calling a Gas Safe engineer.

Step-by-step guide to checking and topping up pressure on a sealed (pressurised) heating system. Learn target pressure ranges, safety tips and when to call a Gas Safe-registered engineer.

Quick, safe steps to defrost a frozen condensate pipe, identify fault signs and prevent re-freezing. Ideal for homeowners wanting to restore heating without an engineer call-out.

Practical guide explaining why boilers lose pressure, what normal pressure looks like, quick safe visual checks, and when to top up or call a Gas Safe engineer.

If a radiator's hot at the top but cold at the bottom, the issue is usually sludge, blocked valves or poor system balancing. Try safe DIY checks to diagnose before calling an engineer.

Low boiler pressure can cause reduced heating or no hot water on combi boilers. Learn common causes, simple safe checks you can do, and when to contact a qualified engineer.

Discover why Gas Safe-registered engineers start at your gas meter and how let-by and tightness tests find leaks and verify internal pipework before boiler or safety work proceeds.

Fix cold tops and restore even heat — learn how to vent (bleed) a radiator safely with simple tools, clear steps and basic safety tips.

Boiler repair is not determined by the badge on the front alone. We explain how boiler age, parts availability, system design and your property affect the right repair decision.

A boiler service is more than a quick visual check. We explain what our engineers examine, measure and clean, and what each stage tells us about the safety and condition of your heating system.