Seeing a fault code on your boiler display? This complete guide explains the most common error codes for Worcester Bosch, Baxi, Vaillant and Ideal boilers — and tells you exactly when to reset, when to repressurise, and when to call a Gas Safe engineer.
Average boiler repair costs in the UK range from £80 to £350+. This guide covers callout fees, what affects the price, and how to avoid being overcharged.