Worcester-bosch, baxi, vaillant, ferroli, glowworm, ideal, potterton, ravenheat and vokera we offer a / callout for boiler repair in york! Water conditioning advice from a neighbor, not a franchise. Q how much will a replacement boiler cost? With homeserve heating you'll get. Pipes that are situated within your property boundary (such as beneath your house, garden and driveway), and which take away the flows from only your property to the point where they connect to pipework.