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Last updated: 6th March, 2024

Guides

Worcester Bosch Combi Boiler Costs

Worcester Bosch Combi Boiler Costs

With the colder months quickly approaching (sigh), a new, efficient Worcester Bosch combi boiler could help keep your home warm and toasty going into 2024 (hurray!).

Worcester Bosch

A reputed boiler brand since 1962, Worcester Bosch is synonymous with customer satisfaction, blending high end technology with assured traditional engineering. 

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With no less than eleven Which? Best Buy awards, Worcester Bosch continues to demonstrate the excellence in production and service that has made the brand an industry leader for over 50 years.

Worcester Bosch Combi Boilers

Worcester Bosch produces many types of top quality boilers, but the combi range is their most popular and efficient, highlighting their design expertise and garnering public recognition/industry accolades alike.

What Is A Combi Boiler?

Just in case you aren't 100% sure what a combi boiler is, or how it functions -

Unlike conventional boilers, combi (combination) boilers link a home’s central heating system and water heating. 

A combi takes water directly from the mains and heats it upon usage. After detecting a hot water request, the combi begins to burn gas in a combustion chamber.

The hot gases rise and move through a series of pipes and into a component called a heat exchanger, the hot gas running through the exchanger then heats the surrounding cold water.

In a conventional boiler system, this process is done according to a programme and the water is stored in a separate cylinder until it’s needed. A combi only starts this cycle upon request (initiating the heating or turning on a hot water outlet), therefore the hot water is instant.

Benefits Of A Combi Boiler

  • Compact size

  • Highly efficient

  • Good water flow pressure

  • Clean & safe

  • Instantaneous hot water

Worcester Bosch Combi Boiler Costs

Worcester Bosch Greenstar 2000

The Greenstar 2000 is Worcester Bosch’s economically priced efficient combi, ideal for small to medium sized properties with one bathroom. As the quietest combi Worcester Bosch makes, this compact boiler is guaranteed to save space and reduce potential noise pollution.

Energy efficiency

93%

ErP

A rated

Warranty

6 Years

Dimensions

724mm (Height) x 400mm (Width) x 300mm (Depth)

Available in

30kW

Prices starting from (inc.installation and VAT) - £2,225

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Worcester Bosch Greenstar 4000

Worcester Bosch’s Greenstar 4000 is suitable for heating medium sized properties, operates extremely quietly and even works very well in areas with a lower water pressure.

Energy efficiency

91%

ErP

A rated

Warranty

10 years

Dimensions

724mm (Height) x 400mm (Width) x 310mm (Depth)

Available in

30kW

Prices starting from (inc.installation and VAT) - £2,245

Get a quote

Worcester Bosch Greenstar CDi Compact

Designed to easily fit into a standard kitchen cupboard, this combi is powerful enough to serve small, medium, or large homes with one or two bathrooms. This combi can fill a standard kitchen sink in just 37 seconds!

Energy efficiency

91%

ErP

A rated

Warranty

10 years

Dimensions

680mm (Height) x 390mm (Width) x 280mm (Depth)

Available in

28kW, 32kW, 36kW

Prices starting from (inc.installation and VAT) - £2,185 (28kW), £2,390 (32kW), £2,690 (36kW)

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Worcester Bosch 8000 Life

Suitable for heating larger homes, the 8000 Life is part of Worcester Bosch’s most powerful wall-hung boiler collection. A new design and increased smart tech compatibility mean this combi is as brainy as it is brawny.

Energy efficiency

94%

ErP

A rated

Warranty

10 years 

Dimensions

780mm (Height) x 440mm (Width) x 365mm (Depth)

Available in

30kW, 35kW

Prices starting from (inc.installation and VAT) - £2,595 (30kW), £2,745 (35kW)

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Worcester Bosch 8000 Style

The 8000 style is Worcester Bosch’s latest combi model, stylish and strong, the 8000 is packed with the latest technology to keep you and your home warm, whilst it hardly breaks a sweat.

Energy efficiency

94%

ErP

A rated

Warranty

10 years

Dimensions

780mm (Height) x 440mm (Width) x 365mm (Depth)

Available in

30kW, 35kW

Prices starting from (inc.installation and VAT) - £2,695 (30kW), £2,750 (35kW)

Get a quote

Do You Need A New Combi Boiler?

At iHeat we stock a massive range of powerful and sleek new combi 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 to an efficient combi.

Get a free instant fixed price quote on our combi range, with next day Gas Safe installation available, getting a new boiler has never been so easy.

New Boiler Costs Guide

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.

Boiler costs 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 does it cost to install a Worcester Bosch combi boiler?

The cost to install a Worcester Bosch combi boiler varies depending on the model, the complexity of the installation, and regional labor rates. On average, installation costs range from £1,500 to £3,000. High-end models or complex installations can increase the price.

How much is a Worcester combi?

The price of a Worcester combi boiler ranges from approximately £800 for entry-level models to over £2,500 for top-of-the-line units. Prices vary based on the boiler's capacity and features.

Are Worcester combi boilers any good?

Yes, Worcester combi boilers are highly regarded for their quality, reliability, and efficiency. They are among the most popular boilers in the UK, with a reputation for excellent performance and long-term durability.

What's wrong with my Worcester boiler?

Common issues with Worcester boilers can include low water pressure, blocked condensate pipes, ignition problems, or electronic control faults. The specific problem can often be diagnosed by checking the boiler's fault code displayed on its control panel.

Why does my Worcester boiler keep firing up when heating is off?

If your Worcester boiler fires up when the heating is off, it could be due to several reasons, such as a malfunctioning thermostat, a problem with the diverter valve not properly directing hot water, or the boiler preheating water for taps. Professional diagnosis is recommended.

Why is my Worcester not firing up?

A Worcester boiler may not fire up due to issues such as low water pressure, no gas supply, electrical problems, or a frozen condensate pipe. Check for any fault codes on the display for clues, and ensure that the gas supply and electrical connections are in order. If the issue persists, it may require professional attention.

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.