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WORCESTER
ACCREDITED
As a Worcester Accredited Installer, we offer exclusive benefits that go beyond a standard installation.
We are Worcester Accredited Installers
We are proud to be Worcester Accredited Installers (WAI).
We are specially selected and trained to install Worcester Bosch boilers to the highest industry standards.

Extended Guarantees
While standard Worcester product guarantees are typically 2 years, as accredited installers we can offer extended guarantees ranging from 5 to 12 years, depending on the boiler model and parts used.
Worcester Bosch also runs seasonal promotions—ask us about the latest offers or check their website for current deals.
Why Choose A Worcester Accredited Installer?
- Free, no-obligation quotes
- Expert installations, servicing & repairs
- Extended guarantees of up to 12 years
- Friendly, honest advice tailored to your needs
- Gas Safe and OFTEC registered engineers for peace of mind
Our credentials are regularly reviewed, and we recommend homeowners verify membership status through the official certification body websites.
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Fantastic Service
I would have no hesitation with recommending Advanced Gas. They are fantastic the service from the girls in the office to the professional gas engineers. The fitting of my new boiler was excellent. I would not use anyone else.
Highly Recommend
Matty replaced the Immersion Heater while we were waiting for a new boiler to be fitted so that we had hot water. Mark and Liam fitted the boiler, they were all very professional and respectful of our property. This is the second boiler we have had fitted (one at my In- Laws house) and we would highly recommend this company.
New gas boiler
From my first contact with the engineers at Advanced Gas gave me confidence in their capability, transparency and honesty. They arrived when they said they would and worked hard and efficiently. Completing the job on time including a couple of additional requests I had on the day. This did not phase them and then completed the addition work too. All of the engineers were helpful and friendly. Would definitely use again.
First class job
Combi boiler fitted in new location, engineers arrived on time and worked hard to complete a first class job. Neat and tidy and a pleasure to have in the house. Marks boiler installation looks great all pipes and fittings perfectly lined up. Mark , Chris and Finley represented Advanced Gas in a very professional manner.