A new boiler, sized properly and fitted to last.
Josh is an approved Vaillant Advance and Glow-worm Club Energy installer. That means quality boilers, longer manufacturer warranties, and a fitter who sizes the boiler to your home instead of selling you the biggest one in the van.

What’s covered
- A free survey and a written fixed quote
- Combi, system and regular boilers, including conversions
- Boiler moves, new flues and gas supply upgrades
- System cleanse and a magnetic filter to protect the new boiler
- Smart or programmable controls set up on your phone
- Registration with Gas Safe, building control and the manufacturer warranty
Get a guide price in 60 seconds
Five questions about your home, then Vaillant and Glow-worm options with warranties and prices.
Vaillant or Glow-worm?
German-engineered, quiet and highly efficient, with Vaillant’s own smart controls. Josh is a Vaillant Advance installer.
Made in the UK by the same group as Vaillant. It’s reliable, compact and well priced. Josh is a Club Energy installer.
When to call Josh
- 01Your boiler is over 12–15 years old and needs regular repairs
- 02Parts for your model are getting hard to find
- 03Bills keep rising or the radiators take ages to warm up
- 04You’re running out of hot water or the pressure is weak
- 05You’re remodelling and want the boiler moved or out of sight


How long does a boiler swap take?
A like-for-like combi swap is usually done in a day. Conversions, for example from a regular system with tanks to a combi, normally take two to three days.
Which is better, Vaillant or Glow-worm?
Both are made by the same group and both are reliable. Vaillant’s ecoTEC range is the premium choice. Glow-worm is excellent value. Josh will tell you honestly which suits your home and budget.
What warranty will I get?
As an accredited installer, Josh can offer extended manufacturer warranties of up to 10 years on selected models, provided the boiler is serviced every year.
Other services
Let’s get your heating sorted.
Call Josh for anything urgent, text a photo of the problem, or get a boiler price online in a minute.
