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Condensing Boiler Prices

Condensing Combi Boiler Prices range from £540 to £3,000 model dependant without installation.

Condensing Boilers Prices Compare Boiler Quotes

A condensing boiler is a boiler that uses some of the heat generated by the boiler that would normally be released out of the flue to heat the water in your boiler.

This means that the boiler is a lot more efficient and has to use less energy to keep the water hot. There are different types of condensing boilers, the most common one is a gas combi boiler but you can also have heat-only gas boilers too.

All new gas combi and heat-only boilers manufactured are condensing boilers. This helps towards them being super economical and having a boiler with a higher energy efficiency rating will save you money on your gas bill.

You should always choose a boiler that has an energy efficiency rating of A or above.

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Prices of condensing combi boilers without installation

Condensing Boilers Prices Compare Boiler Quotes

Let’s take a look at some of the best condensing gas boilers on the market. There are loads of excellent manufacturers available so competition is strong but there are some better than others.

Choosing the right condensing gas boiler for your home should be your main priority. All these boilers are Boiler Plus compliant.

Condensing combi boiler prices vary depending on their output (KW)

The higher the output, the more that specific boiler will cost in any manufacturers product range. The size of your home will depend on how powerful your condensing combi boiler needs to be.

Condensing Boilers Prices Compare Boiler Quotes

If you have a smaller home with one bathroom you can choose a lower output combi boiler usually up to 30kw. If you have a larger home then you may require a more powerful combi boiler over 30kw.

This is to ensure that it is up to the job of providing hot water to your taps with good pressure whilst keeping all the radiators in your home hot and at the same temperature.

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Here are our top 5 condensing gas combi boilers and their prices without installation.

Viessmann Vitodens 050-W 29kw Combi – £860

Atag Economiser Plus 35kw Combi – £2,359

Wocester Bosch Greenstar 8000 Life 30kw Combi – £1,190

Vaillant ecoTEC Plus Combi 25kw – £1,112

Ideal Logic+ Combi 24kw – £880

These are all boilers from the best boiler brands in the UK right now.  Ensure that you get the best prices on condensing combi boilers by always comparing quotes. Here at Compare Boiler Quotes we only deal in the best combi boilers, system boilers & regular boilers available.

Nearly all new gas condensing boilers are now hydrogen ready boilers too, which means that they escape the gas boiler ban in 2025. The best things about this is that the boilers cost around the same too.


Here is a price list of some of the current condensing combi boilers available to buy from the main manufacturers.

Boiler BrandBoiler ModelBoiler TypeBoiler OutputEnergy RatingBoiler Price
ViessmannVitodens 050-WCombi Boiler (Condensing)29 kWA Rated£860
ViessmannVitodens 100-WCombi Boiler (Condensing)30 kWA Rated£1,049
ViessmannVitodens 200-WCombi Boiler (Condensing)30 kWA Rated£1,226
ViessmannVitodens 050-WCombi Boiler (Condensing)35 kWA Rated£865
ViessmannVitodens 100-WCombi Boiler (Condensing)35 kWA Rated£1,108
Worcester Bosch Greenstar Junior 28iCombi Boiler (Condensing)28kwA Rated£859
Worcester Bosch Greenstar 28 CDi CompactCombi Boiler (Condensing)28kwA Rated£978
Worcester Bosch Greenstar 29 CDI ClassicCombi Boiler (Condensing)29kwA Rated£1,023
Worcester Bosch Greenstar Highflow 440 CDiCombi Boiler (Condensing)29kwA Rated£1,715
Worcester Bosch Greenstar Highflow 29 CDiCombi Boiler (Condensing)29kwA Rated£2,004
Worcester Bosch Greenstar 30SiCombi Boiler (Condensing)30kwA Rated£958
Baxi200Combi Boiler (Condensing)24 kWA Rated£633
Baxi100Combi Boiler (Condensing)24 kWA Rated£689
Baxi600Combi Boiler (Condensing)24 kWA Rated£711
VaillantecoTEC plusCombi Boiler (Condensing)25 kWA Rated£1112
VaillantecoTEC ProCombi Boiler (Condensing)28 kWA Rated£880
VaillantecoTEC ProCombi Boiler (Condensing)28 kWA Rated£1402
VaillantecoFIT PureCombi Boiler (Condensing)30 kWA Rated£1001
IdealLogic MaxCombi Boiler (Condensing)24 kWA Rated£880
IdealLogic+Combi Boiler (Condensing)24 kWA Rated£880
IdealVogueCombi Boiler (Condensing)26 kWA Rated£950
IdealLogic Code ESCombi Boiler (Condensing)26 kWA Rated£1,005
IdealVogue MaxCombi Boiler (Condensing)26 kWA Rated£1,119
PottertonHeatmax HECombi Boiler (Condensing)24 kWA Rated£720
PottertonPromax HE Plus ACombi Boiler (Condensing)24 kWA Rated£775
PottertonTitaniumCombi Boiler (Condensing)24 kWA Rated£808
PottertonPromax UltraCombi Boiler (Condensing)24 kWA Rated£963
PottertonAssureCombi Boiler (Condensing)25 kWA Rated£833
VokeraEasi-Heat Plus 32CCombi Boiler (Condensing)32 KWA Rated£550.00
VokeraEasi-Heat Plus 25CiCombi Boiler (Condensing)25 KWA Rated£449.00
VokeraUnica i32Combi Boiler (Condensing)32 KWA Rated£799.99

Condensing System Boiler Prices

As with combis, all new boilers are condensing. The difference with a system boiler is that they have a separate hot water tank. This doesn’t affect whether or not it is a condensing boiler or not as it is the main unit that pumps the water around your home and to your taps that does this.

Condensing system boilers are more suited to larger homes with higher hot water demand. They can easily provide hot water to 2 or even 3 showers at a time without any drop in water pressure.

Due to the fact that they have a hot water storage tank, a larger home is usually better suited due to the extra space required to house this. If you have a smaller home or have a larger home but want to make some space, you may want to consider a condensing combi boiler for better efficiency.

If you already have system boiler then you may want to just swap your current one for a new one which would cost less than converting to a combi. If you want to change to a combi expect to may a premium to have all this changed over. It may be worth it in the long run as most combi boilers are more economical if used properly.

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System boilers price vary depending how powerful they are

You must ensure you get the correct size condensing system boiler for your home. The larger the home, the higher the output (KW) boiler you would normally need. This means that it can easily send hot water to every radiator in your home at the desired temperature.

If you have a smaller home you may require a system boiler up to 25kw. Larger homes would require an output of 26kw or above. Generally the higher the output, the higher the price in each range.

Take a look at our top 5 condensing system boilers

Viessmann Vitodens 100-W 30kw System – £1,049
Worcester Bosch Greenstar i 18kw System – £890
Vaillant ecoTEC Plus 24kw System – £1,086
Vokera Easi-Heat Plus 25kw System – £480
Ideal Vogue Max 15kw System Boiler – £925

Here is a price list of some of the current condensing system boilers available to buy from the main manufacturers.

Boiler BrandBoiler ModelBoiler TypeOutputEnergy RatingBoiler Price
ViessmannVitodens 100-WSystem Boiler (condensing)26 kWA Rated£1,015
ViessmannVitodens 100-WSystem Boiler (condensing)19 kWA Rated£1,046
ViessmannVitodens 100-WSystem Boiler (condensing)30 kWA Rated£1,049
ViessmannVitodens 100-WSystem Boiler (condensing)35 kWA Rated£1,099
ViessmannVitodens 200-WSystem Boiler (condensing)19 kWA Rated£1,195
ViessmannVitodens 200-WSystem Boiler (condensing)26 kWA Rated£1,298
Worcester BoschGreenstar 12iSystem Boiler (condensing)12kWA Rated£825
Worcester BoschGreenstar 15iSystem Boiler (condensing)15kWA Rated£855
Worcester BoschGreenstar 18iSystem Boiler (condensing)18kWA Rated£890
Worcester BoschGreenstar 8000 LifeSystem Boiler (condensing)30kWA Rated£1,189
Worcester BoschGreenstar 8000 LifeSystem Boiler (condensing)35kWA Rated£1,362
Worcester BoschGreenstar 8000 StyleSystem Boiler (condensing)30kWA Rated£1,323
Worcester BoschGreenstar 8000 StyleSystem Boiler (condensing)35kWA Rated£1,405
VaillantecoFIT PureSystem Boiler (condensing)25 kWA Rated£1059
VaillantecoTEC Plus 624System Boiler (condensing)24 kWA Rated£1086
VaillantecoFIT PureSystem Boiler (condensing)30 kWA Rated£1164
VaillantecoTEC Plus 630System Boiler (condensing)30 kWA Rated£1190
IdealLogic+ SystemSystem Boiler (condensing)15 kWA Rated£790
IdealLogic Max SystemSystem Boiler (condensing)15 kWA Rated£875
IdealVogue SystemSystem Boiler (condensing)15 kWA Rated£910
IdealVogue Max SystemSystem Boiler (condensing)15 kWA Rated£925
BaxiMegaflo Compact GASystem Boiler (condensing)12 kWA Rated£640
BaxiMegaflo HE ASystem Boiler (condensing)15 kWA Rated£669
BaxiEcoBlueSystem Boiler (condensing)18 kWA Rated£993
BaxiEcoBlueSystem Boiler (condensing)24 kWA Rated£1,055

Why choose a condensing boiler and are their prices good?

There are that many condensing boilers to choose from that there will always be a great boiler at a great price for you. Some of the best value boilers are from Viessmann & Ideal.

You’re probably thinking, but what about Worcester Bosch boiler prices, well, they are reasonably priced, just not as good value for money.

Many new build homes in the UK feature condensing boilers. We know that they are super-efficient so they meet the government guidelines regards any carbon emissions moving forward is always good to get a comparable boiler brand to compare new boiler prices of which you can do so with our online boiler quote calculator which will give you fixed prices. We think you will be suprised at how much these new gas boilers cost.

What about condensing boilers heating controls?

There are a wide range of heating controls available for most boilers.

Some options to control the boilers include voice recognition and App powered heating possibilities. Alexa, Google Nest & Hive and more are able to power your home’s heating and hot water.

Alongside voice and App controls, they can have electronic thermostats and touch thermostats that can control your new boiler with ease and save money towards your energy bills.

So, what next?

If you would like to get a fixed online price for your new boiler click here. ✅

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