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 4.8 stars

1,566 reviews

 4.8 stars

1,566 reviews

Worcester Bosch Greenstar 4000 25kW Combi Gas Boiler

Worcester Bosch Greenstar 4000 25kW Combi Gas Boiler Boiler
Typical Price (inc VAT)
£1,200
Typical installation Cost (inc VAT)*
£500 - £1000
Sundries (Filter, Flue, etc)
£300
Total Cost
£2,000 - £2,500

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Make Worcester Bosch
Model Greenstar 4000 25kW Combi Gas Boiler
Is Condensing Yes
Efficiency Rating 94%
Band Rating A Rating
LPG Compatible Available soon
Standard Warranty Up to 10 years
Central Heating Max. Output 24 kW
Mounting Wall-mounted
Flow Rate 10.2 l/min
Typical Price (inc VAT) £1,200
Typical installation Cost (inc VAT)* £500 - £1000
Sundries (Filter, Flue, etc) £300
Total Cost £2,000 - £2,500
ERP Rating A HEAT A WATER
Hot Water Max. Output 25 kW

* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

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Worcester Bosch Greenstar 4000 25kW combi gas boiler at a glance

  • - Suitable for: properties with up to 10 radiators and a single bathroom
  • - Fuel: Gas / able to run on a 20% hydrogen blend
  • - Type: Combi / Condensing
  • - Central Heating (CH) output: 24kW
  • - Domestic Hot Water (DHW) output: 25kW
  • - Efficiency: 94% efficiency / ErP A-rating for heating and hot water
  • - Typical total cost: £2,000 - £2,500

Is a Greenstar 4000 25kW combi gas boiler suitable for my home?

The Worcester Bosch Greenstar 4000 25kW combi boiler is suitable for properties with up to 10 radiators and a single bathroom.

The other combi boiler in the range, the Greenstar 4000 30kW, can run a similar number of radiators but meets higher demands for hot water. If you are unsure which one best suits your home, use our free boiler comparison tool.

What is the output range on a Worcester Greenstar 4000 25kW combi gas boiler?

Combi boilers have two output ratings: one for central heating (CH) and another for domestic hot water (DHW). The Greenstar 4000 25kW has a CH output of 24kW and a DHW output of 25kW.

What is the size of the Worcester Bosch Greenstar 4000 25kW?

Greenstar 4000 25kW Combi Gas Boiler dimensions Its exact dimensions are 724x400x310mm (HxWxD). The compact size of the Greenstar 4000 25kW will help you save space in your home.

Worcester Bosch Greenstar 4000 25kW combi gas boiler price

The price of the Greenstar 4000 25kW is approximately £1,200, for just the boiler. Including installation and sundries (filter, flue, etc.), the Greenstar 4000 25kW’s price would range from £2,000 to £2,500.

Get the best deals for this combi gas boiler

Comparing offers from multiple installers can help you save a considerable amount of money. For instance, boiler installation cost ranges between £500 and £1000. If you compare different providers and choose the one offering the lowest price for the same product and service, you could save up to £500.

At Boiler Guide, we save you time by finding you up to 3 quotes for Greenstar 4000 25kW combi boilers from local heating companies. Our quote comparison service is free, fast, and highly reliable.

Warranty on the Greenstar 4000 25 kW combi gas boiler

The warranty on the Greenstar 4000 25kW lasts up to 10 years when installed by a Worcester Accredited Installer. However, terms and conditions apply. The boiler must be serviced at least once a year by a Gas Safe registered engineer to keep the warranty valid for the entire period.

Worcester Bosch reviews

Worcester Bosch offers excellent customer service, and its product’s quality is guaranteed. The company is one of the market leaders for boilers in the UK.

They have an average rating of 4.6 out of 5 from over 30,500 reviews on Trustpilot, which shows a high customer satisfaction with Worcester Bosch’s products and services.

FAQ

What is a Greenstar boiler?
Greenstar boilers are highly-efficient gas condensing boilers manufactured by Worcester Bosch. The Greenstar series include combi, system, and regular boilers to meet different needs.

Is Greenstar a good boiler?
All Worcester Bosch Greenstar boilers are excellent in terms of energy efficiency. The Greenstar 4000 25kW combi gas boiler is a highly-efficient unit with a 94% efficiency and ErP A-rating for heating and hot water. It also comes with a long-term warranty of up to 10 years.

Other features include:
  • - Wide power range to reduce gas consumption
  • - Innovative 'Quick Tap' water-saving function
  • - Modern new design and easy-to-use colour display
  • - One of the quietest combi boilers available
  • - Wireless connectivity with the Bosch EasyControl
You can compare Greenstar 4000 combi boilers against other models from the same or a different brand using our free boiler comparison tool.

How long do Greenstar boilers last?
Greenstar boilers should last between 10 and 15 years. That is the average life expectancy of any boiler.

Having your boiler serviced at least once a year will keep it running as efficiently as possible for as long as possible.

How much is a Worcester boiler 4000?
The Worcester Bosch Greenstar 4000 combi boiler’s price is approximately £1,200. The price, including installation and sundries, is, of course, higher.

How many radiators can a Worcester 4000 run?
Worcester Bosch Greenstar 4000 combi boilers (25kW and 30kW) can run up to 10 radiators. Greenstar 4000 system boilers are also good for small to medium-sized homes with one bathroom.

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Excellent 4.8 out of 5

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