Heat-Plex

Heat-Plex was founded with a simple mission: to bring honesty and reliability to an industry that desperately needed it. We've grown from a small team to one of South London's most trusted heating and plumbing companies. Our engineers are technical specialists vetted for expertise and professionalism, ensuring no shortcuts, no hidden fees, and no pushy sales tactics.

We believe in doing things properly, standing behind our work with qualified, vetted engineers and a clean, respectful service. We offer transparent, fixed pricing for all services, including boiler installations, heating repairs, plumbing, and HIU servicing. Our services are available 24/7 across all London boroughs, with upfront pricing and no surprises.

We also provide live tracking for our engineers, so you know exactly when they will arrive. Our commitment to transparency is reflected in our detailed pricing structure, which includes no callout fees, no fuel surcharges, and no congestion charges. Heat-Plex is independently accredited and registered, including SafeContractor Approved and NICEIC Approved Contractor.

We have completed over 45,000 jobs and maintain a 5-star average rating. Our expert guides and news section offer practical advice and maintenance tips from our Gas Safe registered engineers to help you get the most from your heating system.