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Last updated: 19th April, 2024

Guides

Glow-worm Boiler Prices

Glow-worm Boiler Prices

With over 80 years of experience behind them, Glow-worm can claim to be some of the earliest heating pioneers within the UK, and continue to manufacture quality, affordable products to this day.

With over 80 years of experience behind them, Glow-worm can claim to be some of the earliest heating pioneers within the UK, and continue to manufacture quality, affordable products to this day.

In this blog we’re going to explore some of Glow-worms best boilers and the prices that accompany them.

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A Little About Glow-worm

Established way back in 1934, in Derbyshire, it’s safe to say Glow-worm knows a thing or two when it comes to domestic property heating.

Glow-worm’s eclectic range of boilers includes the three main model types- combi, system, and heat only, being sure to have a boiler to suit your home.

In 2001, Glow-worm was acquired by the Vaillant group, Europe’s second largest heating company and has only gone from strength to strength.


Glow-worm’s Best Boilers And Their Prices

Compact Combi

Glow-worm’s lightest ever boiler, this model comes mains and LPG compatible and as its name suggests is compact enough to easily fit into a standard kitchen cupboard.

Available outputs

24kW, 28kW

Flow rate (L/min)

9.9, 11.5

ErP (energy rating)

A

Dimensions

Height 626mm x Width 400mm x Depth 270mm

Boasting a user-friendly LCD display and an exceptionally low operating volume, this small but powerful combi boiler is as focused on usability as it is efficiency.

Price range (+VAT and installation) - £1,375 - £1, 875

Ultimate₃Combi

This powerful combi is a highly efficient A rated boiler, and contains a Grundfos modulating pump for further reduced energy use.

Available outputs

30kW, 35kW

Flow rate (L/min)

12.4, 14.4

ErP (energy rating)

A

Dimensions

Height 740mm x Width 418mm x Depth 300mm

The Ultimate₃Combi also contains an integrated filling loop to allow for straightforward maintenance and is fully compatible with the full range of Glo-worm controls, flues and accessories. Another user-friendly feature of this boiler is the fact it can easily be paired up with the innovative MiGo control app.

Price Range (plus VAT and Installation) - £1,500 - £2,000

Energy System

This system boiler comes in a huge range of outputs, ensuring you never have to compromise on your boiler's efficiency and suitability for your property, which only enhances a system boiler's ability to serve multiple bathrooms at once. 

Available Outputs

12kW, 15kW, 18kW, 25kW, 30kW

ErP (energy rating)

A

Dimensions

Height 700mm x Width 390mm x Depth 280mm

This boiler’s compatibility with rear flue options makes it a flexible and simple install, the Energy system is also quiet mark certified (excludes 15 and 30kW models), signalling its almost silent operational volume.

Price Range (plus VAT and Installation) - £1,500 - £2,150

Easicom₃ Regular (Heat Only)

One of Glow-worms celebrated heat only boiler range, the Easicom₃ can comfortably heat larger properties despite its concise package that easily can be accommodated in a small cupboard, perfectly suiting modern and traditional homes.

Available Outputs

25kW

ErP (energy rating)

A

Dimensions

Height 600mm x Width 375mm x Depth 280mm

A high quality automotive grade aluminium heat exchanger and an A rated ErP classification provides this boiler’s owner with guaranteed functionality from a trusted manufacturer. 

Price Range (plus VAT and Installation) - £1,485 - £1,985

Betacom₄ Combi 

This affordable and efficient combi contains brass hydraulics, an integrated filling loop, a hanging bracket and an OpenTherm interface, as well as a modern, bright LCD display.

Available Outputs

24kW, 30kW

Flow Rate (L/min)

10.0, 12.4

ErP (energy rating)

A

Dimensions

Height 740mm x Width 418mm x Depth 300mm

Glow-worm’s Betacom₄ boiler offers a high flow rate for its size, and can be easily paired with the full range of glow-worm accessories, including the MiGo app which can be installed on a smart device or computer.

Price Range (plus VAT and Installation) - £1,400 - £1,944

Need A New Boiler?

At iHeat we stock a massive range of powerful and sleek new boilers, designed to save space and perform at the highest level. 

With sizes to fit any property, now might be the perfect time to replace an old boiler and upgrade. Get a free instant fixed price quote on our huge range, with next day Gas Safe installation available, getting a new boiler has never been so easy!

iHeat New Boiler Costs

Boilers can be a daunting purchase for many people as they’re an appliance with a lot of responsibility, providing heat for you and your family is something you want to get right. Boilers aren’t exactly a quickly disposable item either, potentially lasting you a decade.

Effectively, new boiler cost can be split into two segments: the first is the actual boiler itself (unit price), and the second is the cost of the boiler being installed (set up) in your property by an expert engineer. 

Here at iHeat, we want to remove all of this undue stress and make the decision making process of upgrading to a new central heating system, as easy as possible.

Boiler costs can vary depending on a number of factors including their brand, model, fuel, output, warranty, labour and installation type. Typically a new boiler will cost between £1,845 and £3,500, below is a list of average boiler installations offered by iHeat (guide only).

Installation Type

Price (inc VAT)

Combi to combi swap

£1,845

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System to combi conversion

£2,499

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New boiler install

£2,899

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Back boiler to a combi

£3,299

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System to system

£1,945

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Frequently Asked Questions

How Much is a New Boiler Glow-worm?

The cost of a new Glow-worm boiler varies depending on the model and output size you choose. Generally, prices for Glow-worm boilers range from around £600 to £1,500. High-efficiency models or those with greater heating capacities may cost more. The price generally excludes installation costs, which can vary significantly based on various factors including the complexity of the installation.

How Long Do Glow-worm Boilers Last?

Glow-worm boilers are known for their reliability and typically have a lifespan of around 10 to 15 years. This can be extended with regular maintenance and servicing. Like any boiler brand, the longevity of a Glow-worm boiler will depend on how well it is maintained and the quality of its installation.

Is Glow-worm a Good Boiler Brand?

Glow-worm is considered a good boiler brand, especially in the UK where it is well-established. Known for offering a range of cost-effective and reliable heating solutions, Glow-worm boilers are particularly popular among homeowners looking for a balance between performance and affordability. They are praised for their ease of use and straightforward maintenance.

How Much is a Boiler Replacement Cost?

The overall cost of replacing a boiler in the UK can vary widely, usually between £1,500 and £3,500, which includes the price of the new boiler and the cost of installation. High-efficiency models or complex installations involving significant changes to the system layout or flue modifications can increase the cost.

How Much Does It Cost to Fit New Boiler UK?

Fitting a new boiler in the UK typically costs between £500 and £1,500 in labor, depending on the complexity of the job and whether additional work is required such as updating pipework or installing additional components like a new flue or thermostat. This cost is in addition to the price of the boiler itself.

How Much is a New Boiler on Average in UK?

On average, purchasing and installing a new boiler in the UK costs around £2,500. This estimate can vary based on the type of boiler, the complexity of the installation, and regional differences in labor costs. Combi boilers might be on the lower end of this range, while larger system boilers with new hot water tanks can be more expensive.

How Much is It to Replace a Boiler with a Combi Boiler?

Replacing an existing boiler with a new combi boiler typically costs from £2,000 to £3,000 in the UK. This price includes the removal of the old boiler, the cost of the new combi boiler, and installation fees. If additional work is required to adjust pipework or upgrade the existing central heating system to work efficiently with the new combi boiler, costs can be higher.

Stephen Day profile photo
Article by
Stephen Day | Co-founder
Gas Safe registered and FGAS certified engineer with over 20 years experience in the heating and cooling industry.