JJK Gas Services is a trusted, Gas Safe registered heating and gas engineering company based in Wigan, serving homeowners and landlords across Wigan and Greater Manchester. We specialise in boiler installations, boiler repairs, annual servicing, gas safety certificates (CP12), central heating systems, and emergency call-outs. Our focus is on honest pricing, reliable workmanship, and fast response times. Whether it’s a full boiler replacement, a routine service, or urgent no-heating repairs, we ...