
heating engineers.

No matter what the problem is, we will
determine the cause and find the best
way to repair it.

guarantee on Worcester
Bosch boilers
No matter what the problem is, we will
determine the cause and find the best
way to repair it.



reliable heating engineers?
Look no further.
No matter what the problem is, we will
determine the cause and find the best
way to repair it.

Why choose us?
Complete Gas Heating Services are a domestic and commercial company based in Bath, with over 25 years’ experience including 14 years with British Gas. We specialise and are experts in service and repair of all gas appliances with high fault finding experience, landlords CP12, CP6 etc. We also custom design for energy efficiency of all systems for installation and upgrades of all types.



Our engineers use the latest field service management software that
keeps the customer up to date.


Free site survey
We will conduct a free site survey to ensure you make the best decision.

Free electrical check
We conduct a free minor electrical and earth check on every visit.
Customer reviews
- November 22, 2020Colin MurphyGreat Service, fast response and resolution to boiler problem that previous engineers couldn't fix
- November 18, 2020Owen CollisExcellent service. All work was carried out on time, cleanly and efficiently. Would definitely recommend!Complete Gas Heating ServicesThank you from Complete Gas Heating Services
- October 29, 2020Susan NormanJason’s ability as a gas engineer is excellent. He solved a problem with a complex system. He was very punctual and able to explain situation clearly. He did is absolute best to fix the problem as quickly as possible around our personal circumstances. We would totally recommend Jason as a safe and competent Gas engineer.Complete Gas Heating ServicesThank you from Complete Gas Heating Services
- October 7, 2020Erica FlookJason was very professional and efficient he completed my gas service check and made sure I am compliant as a landlord. He also gave me advice on how to stay up to date on my legal obligations. I would highly recommend his company.Complete Gas Heating ServicesThank you from CGH Services
- July 31, 2020Lizzy CurtisJason was great – came over at short notice and got to the root of the problem quickly. You can be sure he knows his stuff and he’s genuine. He went over and above (even waiting for a parking spot for close by as it’s busy here!) which he didn’t have to do. Talked us through what the problem was and fixed on the day. I’d recommend him.Complete Gas Heating ServicesThank you from CGH Services


We are a Worcester Accredited Installer
Worcester Accredited Installers are recognised domestic and commercial heating companies that meet or exceed the standards of sustained quality of installation, service and customer care.
These installers are accessible through the official Worcester Bosch website.
Worcester Bosch ensure our clients receive a high standard of workmanship and professionalism, our accredited companies are monitored by several recognised trade and industry bodies.
Our services include:
- Boiler serving & repairs
- All gas appliances inc fires, AGAs, ranges, hobs & water heaters
- Boiler install
- Heating, cylinders & upgrades
- Unvented
- Controls inc Smart Controls
- Landlord Certificates
- Gas inspections
- LPG
- Commercial, test & purge, commissioning, service & repair, plantrooms & boiler houses
- Gas leaks
- Carbon Monoxide leaks & fitting
- Smoke alarms testing & fitting
- Minor electrical checks
- Solar
- Underfloor heating
- Air source heat pumps
- Plumbing maintenance
- Disabled facilities
- Building, extensions, kitchens & bathrooms (plumbing & heating)
- Housing associations
- Gas, renewables & heating

Areas we cover
We provide gas, renewables and heating services to homes and businesses across Bath, Bristol and the surrounding areas. Below is a list of some of the many areas we cover: