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Worcester Bosch Greenstar Danesmoor System Boilers

The Worcester Bosch Greenstar Danesmoor System uses oil to heat homes and is ideal for properties that are not connected to mains gas.

Available in central heating outputs of 18kW, 25kW and 32kW, the Greenstar Danesmoor System by Worcester Bosch is designed to suit most households and lifestyles. It’s a high-performance oil-fired boiler that can help you to lower your carbon footprint and reduce the amount of energy you use, ensuring you save money on your fuel bills. This model is also part of Worcester Bosch’s award-winning range of Greenstar boilers that has achieved Which? Best Buy status.

How Much Does this Boiler Cost?

Worcester Bosch’s Greenstar Danesmoor system has a typical price tag between £1,600 and £2,300 including VAT. We can’t give you an exact figure because the price will depend on which heat output (size) you need. In general, the higher the kW output, the more costly the boiler. The price will also vary from one supplier to the next, which is why it’s important to shop around in order to find the most competitive deal. In addition to the upfront cost of the boiler, you also have to pay for the installation, so be sure to ask about fitting costs when you talk to each supplier.

How will I know if this Boiler is Suitable for My Home?

The Greenstar Danesmoor System is an oil-fired system boiler. All system boilers must be installed together with a separate hot water storage cylinder which is usually placed in an airing cupboard. Although this means you’ll lose some space, having a cylinder is actually a good thing because it will provide a constant supply of hot water to all of your taps, even if you want to run them all at the same time. Because of this, system boilers are a great option for homes with more than one bathroom.

As this model comes in three heat (kW) outputs, you must ask an OFTEC registered engineer to assess your home and needs to find out if you’ll be best with either the 18kW, 25kW or 35kW unit. If you select a boiler that is too big or too small for your property, you’ll end up spending more money on your bills than necessary or be left with a boiler that is incapable of providing your home with enough heat and hot water.

Is it a High Efficiency Boiler?

It certainly is a high-efficiency oil boiler with an ‘A’ ErP efficiency rating. What’s more, the Greenstar Danesmoor System can be used with Worcester Bosch Greenstore hot water cylinders that offer significant energy savings. The boiler and these cylinders are designed to work with Greenskies solar panels, which can help to reduce your bills by up to a whopping 60%.

Does this Boiler have a Good Range of Controls and Features?

The controls and features aren’t bad, that’s for sure. Worcester Bosch’s Greenstar Danesmoor System has a control panel that is situated on the front face of the boiler and includes simple buttons and dials. If you want to enhance efficiency and comfort levels, you can add an optional 7-day programmer to the control area. This oil-fired model also has an easy to remove cross firing burner and one-piece baffle to make life easy for your engineer when they carry out an annual service. If you like the idea of being able to control your heating and hot water from your smartphone or tablet, the Greenstar Danesmoor System will not disappoint because it’s Bosch EasyControl compatible as well.

How long is the Warranty on this Boiler?

If you purchase the Worcester Bosch Greenstar System, you’ll be given a 2-year warranty as standard. Every now and then, Worcester Bosch run extended warranty promotions, which can be found on the brand’s website.

Summary of Important Information

  • Priced between £1,600 and £2,300
  • Heating output of 18kW, 25kW or 32kW
  • Dimensions of 855mm (H) x 370mm (W) x 600mm (D)
  • Uses oil as its fuel source
  • A-rated for efficiency
  • Solar compatible
  • Smart compatible
  • 2-year warranty as standard

Greenstar Danesmoor Utility Regular Size and Prices

ModelTypeDimensionsMaximum Flow RateOutputEfficiency RatingTypical Price
Greenstar Danesmoor System 18SystemH – 855 mm
W – 370 mm
D – 600 mm
N/A18 kWA 90% and above£1600
Greenstar Danesmoor System 25SystemH – 855 mm
W – 370 mm
D – 600 mm
N/A25 kWA 90% and above£2000
Greenstar Danesmoor System 32SystemH – 855 mm
W – 370 mm
D – 600 mm
N/A32 kWA 90% and above£2300

Pros and Cons

The Worcester Bosch Greenstar Danesmoor System is a cracking oil boiler that has been deemed reliable by many homeowners and engineers across the UK. You can check out the full list of our pros and cons below.


  • Awarded Which? Best Buy with a score of 87%
  • Can be installed in a kitchen or utility room
  • Suited to small, medium and large homes without a mains gas supply
  • Extremely quiet in operation
  • Provides maximum energy efficiency – reduce fuel bills and carbon emissions
  • Compatible with solar thermal – additional savings
  • Compatible with Bosch EasyControl – can tailor hot water times and heating temperatures from your smartphone or tablet, even when you’re not at home
  • 5-year guarantee on the primary heat exchanger
  • 10-year guarantee on the plate heat exchanger


  • Requires separate cylinder
  • 2-year warranty – would prefer a longer standard guarantee
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