24/7 Emergency Call-Out Repairs, Available When You Need Us
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We deliver reliable heating services.
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H3GS Heating provides a wide range of professional heating and gas services across London and surrounding areas, delivered by Gas Safe‑registered engineers with more than a decade of experience.
Rated based on 356+ reviews
Great service. Was given options before boiler install and during it was doine well with no mess. Overall it was perfect despite limited space
Jason Leo
Gas Safe Approved
Fully Qualified Engineers
Fast Response
Quality Support
Safety Comes First
Certified And Insured
Boiler Insallations
We provide expert Gas Safe boiler installations with full protection for floors and surfaces. Fast, efficient service, low costs, and up to 12-year warranties give you peace of mind. Benefit from ongoing maintenance and annual servicing for a warm, worry-free home.
We strongly recommend annual boiler servicing to spot issues early, ensure safety, maintain efficiency, and protect your manufacturer warranty. A one-off service can be carried out for a standard charge, helping you avoid costly repairs and save money.
Boiler Repairs
We recommend annual boiler servicing to detect issues early, ensure safe and efficient operation, protect your warranty, and prevent costly repairs. One-off services are available for a standard charge, helping you save money and maintain reliable heating.
Boiler Servicing
We provide top boiler & heating services at your convenience, protecting floors & surfaces.
Emergency Callouts
Central Heating Repair
Landlord Gas Safety Inspections
Our 24/7 emergency call-out service ensures rapid response to heating breakdowns. Gas Safe engineers restore your boiler and central heating safely and efficiently, minimising disruption and keeping your home warm when you need it most.
Central heating repair by Gas Safe registered engineers to diagnose and fix faults quickly and safely. We restore efficient heating, ensure your system works reliably, offer emergency call-outs, and provide ongoing maintenance for worry-free warmth all year round.
H3GS Heating helps landlords meet legal obligations with Gas Safe-registered engineers who service and inspect all gas appliances, provide annual Gas Safety Certificates, and ensure tenants’ safety and property compliance.
Receive a FREE, no-obligation consultation today.
Our fees include 1 hour of labour and exclude any parts required. Additional hours beyond the first inclusive hour will be chargeable.Have an Emergency? Get in touch now for less urgent repair work feel free to contact us using the form on the side of this page.
Booking & Prices
Emergency call out charges are as follows:
We Provide a Professional, High-Quality Service Across the South East
Amazing service, we called at 8:20am and they were with us by 9:30am, getting us out of a real jam. Thank you so much!!
Sean Illing
Fantastic service. Amir was here within an hour of contacting and disabled the current smart system in our new home that we couldn’t operate and installed a Hive system and talked us through how it operated. Can’t recommend enough
Anastasia Wright
Amir and the team from H3GS did a really great job - professional, knowlegeable, and ensuring I was happy throughout the 3 days that it took to complete the work.
Ivan Roche
Happy Customers
Some of the Brands We’ve Worked With
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Our Recent Work
Explore our gallery of recent boiler, heating and repair projects showing quality workmanship and professional results from our Gas Safe engineers.
Our Process
Professional heating services in London by Gas Safe engineers. We offer boiler repairs, installations, & landlord safety checks. Call Us today.
Receive a FREE, no-obligation consultation today.
About H3GS Heating
We are a well-established and fast-growing heating and boiler services company with over a decade of experience delivering professional and dependable solutions to homes across London. We place strong emphasis on building lasting connections with our community while delivering exceptional service from start to finish. Our team of Gas Safe registered engineers provides expert boiler installations, repairs, servicing, central heating work, landlord safety inspections, and smart heating installations tailored to your needs. We pride ourselves on transparent communication, high-quality workmanship and prioritising your safety and satisfaction at every step. With features such as free online estimates, price-match guarantees and 5-star reviews from satisfied customers, we strive to make your experience smooth, reliable and stress-free. Whether you’re upgrading your boiler, need urgent heating repairs or require compliance checks for rental properties, our knowledgeable team is here to help with trusted expertise and a commitment to excellence.
Please complete the form and a member of our team will be in touch to provide any help or advice you may need.
At H3GS Heating
Rated based on 356+ reviews
We deliver reliable heating services.
REQUEST A QUOTE
We deliver professional, reliable services you can trust.
Receive A FREE Quotation Today!
Receive a FREE, no-obligation consultation today.
Alternatively, give us a call for a fast and reliable response.
8am to 4.30pm (Mon - Fri)
1st Floor, Romer House, 132 Lewisham
High Street SE13 6EE
