City & Guilds Qualified - Level 3

Gas Safe Register

Mr. David Knowles

Welcome to Gas Secure Ltd.We are David and James of Gas Secure Limited and we are highly qualified and experienced Gas Technical Engineers .Together, we have over 60 years experience working for the UK’s largest central heating company, where we both began our long careers from young apprentices to experienced and qualified engineers.We are now the business partners of Gas Secure Limited and provide gas service, repair, installation, and certificates.We are insured with full public liability insurance and are Gas Safe Registered (659838).No job is too big or too small for us, so don’t hesitate to get in touch and let us know how we can be of help to you. We provide a reliable service that you can trust and be assured that with our experience and extensive knowledge- you are in safe hands.Our aim is to get your heating problems fixed in a safe, efficient, and cost-effective manner and to provide you with a free quote followed by an excellent service and 100% customer satisfaction.

Vaillant  Ecofit Install 

Gas Stove

Vaillant full heating system installation 

New Vaillant system 

Flavel Emberglow 

New boiler installed 

System flush

Hive heating controls

Replacement radiator 

Replacement Unvented hot water cylinder 

Gas Secure

Gas Secure Team (Dave & Jim)

Gas Secure Team , Dave & Jim 

Gas Secure Ltd

19/3/2026 Had a new gas boiler fitted today . Very impressed with the work carried out by Dave  and Jim . They are very professional , helpful and experienced in their line  of work.  .

Excellent job - new gas boiler fitted

Can't recommend this firm enough. We needed all new gas pipes and Dave and Jim gave a very fair quote for the job They arrived at the time agreed and were very friendly and efficient, explaining everything as they went along. Wonderful neat job and they cleaned up after themselves too.They were a pleasure to have in the house and we wouldn't hesitate to use them again.

Reliable,friendly and professional.

Would highly recommend gas secure. I have used this company for a few years now and they’re reliable, knowledgeable and extremely professional.

Highly recommend gas secure

Super efficient service from reviewing the job, providing a quote and booking a date for job completion. Reliable and professional team. They made a stressful period of house renovations so much easier. Highly recommend.

Reliable and efficient

Amazing company. Boiler arrived when they said. Engineers arrived when they said. Great price. Engineers never stopped working, cleaned up after themselves and took away all the rubbish. They gave loads of helpful advice. Equipment installed top quality. Couldn’t be happier with the boiler install and can’t recommend the firm highly enough.

Top notch boiler installation

Had a new boiler fitted yesterday and today 
The work carried out was first class.
The fellows were great and very little mess 
Highly recommended

Excellent service 

Average score based on 8 reviews in the last 12 months

Gas Secure Ltd | LIVERPOOL | Checkatrade

Welcome to Gas Secure Ltd.We are David and James of Gas Secure Limited and we are highly qualified and experienced Gas Technical Engineers .Together, we have over 60 years experience working for the UK’s largest central heating company, where we both began our long careers from young apprentices to experienced and qualified engineers.We are now the business partners of Gas Secure Limited and provide gas service, repair, installation, and certificates.We are insured with full public liability insurance and are Gas Safe Registered (659838).No job is too big or too small for us, so don’t hesitate to get in touch and let us know how we can be of help to you.We provide a reliable service that you can trust and be assured that with our experience and extensive knowledge- you are in safe hands.Our aim is to get your heating problems fixed in a safe, efficient, and cost-effective manner and to provide you with a free quote followed by an excellent service and 100% customer satisfaction.

Welcome to Gas Secure Ltd.We are David and James of Gas Secure Limited and we are highly qualified and experienced Gas Technical Engineers .Together, we have over 60 years experience working for...

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