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Conventional Boiler Prices: Compare Heat Only (Regular) Boilers

Compare Conventional Boiler Prices

Heat-Only boilers are also known by a few other names including open vent, conventional or regular. They have a hot water cylinder, a cold-water storage tank and a feed and expansion tank. Most people choose to replace heat-only boilers, as they are an older style of boiler and are usually replaced with combi boilers which are smaller, therefore saving space.

Heat-only boilers are still a great choice for some households despite being an older boiler type, they can typically cope with a much larger demand for hot water and are often chosen for large homes or commercial properties.

Heat-only boilers, how do they work?

Considering purchasing a new heat only boiler? Sometimes known as a traditional, conventional or regular boiler this is a traditional heating and hot water system that has a seperate cold water storage tank and hot water cylinder that maintains the water level of the central heating.

The heat-only boiler uses a storage cistern with two feeds with one for cold water and one for hot. The water is then pumped through the system into either of the storage tanks and is used as needed. The reason that heat-only boilers are good for larger properties is that they don’t rely on pressure as much as other boiler types.

New Heat-only boiler price range (£442 - £3,426.56*)

If you are looking for a regular boiler then there are several options to choose from no matter the shape or size of your home. There are several brands that you are able to choose from including major names like Vokera, Worcester Bosch, Ideal & more.

Out of all the boiler prices we have found they range in price starting with the 15kW Vokera MyNute 15VHE gas conventional boiler with 2 years warranty at £442 and ranges all the way to the Ferroli Energy Top 125 gas conventional boiler which comes with a 1-year warranty and is priced at £3,426.56.

Why choose a regular boiler

Do you think that a heat-only boiler may be for you? Then here are a few positive points of getting this type of boiler installed in your home to help aid your decision:

Reputation for their reliability

Typically great for homes which require a high demand for hot water

Generally ideal for when there are several bathrooms

Usually easy to maintain as they're simple in design

Usually cheaper to install a Heat-Only boiler if you already have a pre-existing traditional system, than to change to a combi

Water pressure is normally great, even when several hot taps or showers are being used

Compare Heat-only boiler prices

BrandModel NameTypeFuelkWWarrantyExample Price*
(Including VAT)
VokeraMyNute 15VHEHeat-OnlyGas15kW2£442
VokeraEasi-Heat 18VHeat-OnlyGas20kW5£479
VokeraMyNute 20VHEHeat-OnlyGas20kW2£492
IdealLogic 12Heat-OnlyGas12kW2£689.05
PottertonPromax SL 12Heat-OnlyGas12kW2£701.32
PottertonTitanium 12Heat-OnlyGas12kW7£705.12
IdealLogic 15Heat-OnlyGas15kW2£724.34
Glow-WormEnergy 12Heat-OnlyGas12kW2£726.35
PottertonTitanium 15Heat-OnlyGas15kW7£742.56
Glow-WormEnergy 15Heat-OnlyGas15kW2£744.64
IdealLogic Plus 12Heat-OnlyGas12kW7£748.34
VaillantecoTEC plus 412Heat-OnlyGas12kW5£749.07
BaxiEcoBlue Heat 12Heat-OnlyGas12kW2£751.31
IdealLogic 18Heat-OnlyGas18kW2£757.43
IdealLogic Heat 24Heat-OnlyGas24kW2£770.51
Glow-WormEnergy 18Heat-OnlyGas18kW2£778.94
Baxi224 Heat 24Heat-OnlyGas24kW3£779.81
PottertonTitanium 18Heat-OnlyGas18kW7£780
IdealLogic Plus 15Heat-OnlyGas15kW7£782.41
IdealLogic 24Heat-OnlyGas24kW2£790.5
BaxiEcoBlue Advance Heat 13Heat-OnlyGas13kW7£797.01
BaxiEcoBlue Heat 15Heat-OnlyGas15kW2£798.75
Glow-WormEnergy 25Heat-OnlyGas25kW2£813.15
IdealLogic Plus 18Heat-OnlyGas18kW7£814.21
PottertonTitanium 24Heat-OnlyGas24kW7£817.44
Worcester-BoschGreenstar 12RiHeat-OnlyGas12kW5£823.43
VaillantecoTEC plus 415 15Heat-OnlyGas15kW5£824.74
PottertonTitanium 30Heat-OnlyGas30kW7£842.4
IdealLogic Plus 24Heat-OnlyGas24kW7£847.14
Glow-WormEnergy 30Heat-OnlyGas30kW2£852.24
Worcester-BoschGreenstar 15RiHeat-OnlyGas15kW5£857.9
ViessmannWB1B Vitodens 100-W 13Heat-OnlyGas13kW5£871.62
IdealLogic Heat 30Heat-OnlyGas30kW2£890.52
VaillantecoTEC plus 418Heat-OnlyGas18kW5£895.43
IdealLogic 30Heat-OnlyGas30kW2£899.64
BaxiEcoBlue Heat 21Heat-OnlyGas21kW2£905.19
ViessmannVitodens 100-WHeat-OnlyGas16kW5£915.6
ViessmannWB1B Vitodens 100-W 19Heat-OnlyGas19kW5£915.81
BaxiEcoBlue Heat 24Heat-OnlyGas24kW2£916.18
Worcester-BoschGreenstar 18RiHeat-OnlyGas18kW5£920.39
IdealLogic Plus 30Heat-OnlyGas30kW7£951.61
BaxiEcoBlue Advance Heat 25Heat-OnlyGas25kW7£955.52
VaillantecoTEC plus 424 24Heat-OnlyGas24kW5£961.62
Worcester-BoschGreenstar 24RiHeat-OnlyGas24kW5£975.34
ViessmannWB1B Vitodens 100-W 26Heat-OnlyGas26kW5£975.51
BaxiEcoBlue Advance Heat 30Heat-OnlyGas30kW7£989.64
VaillantecoTEC plus 430Heat-OnlyGas30kW5£1026.36
IdealMexico HE15Heat-OnlyGas15kW2£1072
Worcester-BoschGreenstar 27RiHeat-OnlyGas27kW5£1073.39
Worcester-BoschGreenstar 30RiHeat-OnlyGas30kW5£1116.48
Worcester-BoschGreenstar 30CDi ClassicHeat-OnlyGas30kW5£1149.10
IdealMexico HE18Heat-OnlyGas18kW2£1159.26
Worcester-BoschGreenstar Danesmoor Utility 12-18Heat-OnlyOil12-18kW2£1320.44
ViessmannVitodens 100-WHeat-OnlyGas35kW5£1446.9
Worcester-BoschGreenstar Fs 30CDiHeat-OnlyGas30kW5£1509.63
Worcester-BoschGreenstar 40CDiHeat-OnlyGas40kW5£1571.69
IdealMexico HE24Heat-OnlyGas24kW2£1602.94
Worcester-BoschGreenstar Danesmoor External 18-25Heat-OnlyOil18-25kW2£1781.97
IdealMexico HE30Heat-OnlyGas30kW2£1969.88
Worcester-BoschGreenstar Danesmoor Utility 25-32Heat-OnlyOil25-32kW2£2037.53
Worcester-BoschGreenstar Danesmoor External 25-32Heat-OnlyOil25-32kW2£2197.77
Worcester-BoschGreenstar Fs 42CDiHeat-OnlyGas42kW5£2223.68
Worcester-BoschGreenstar Danesmoor Utility 50-70Heat-OnlyOil50-70kW2£2261.88
IdealMexico HE36Heat-OnlyGas36kW2£2780.56
FerroliEnergy Top 125Heat-OnlyGas116kW1£3426.56

Heat-only boiler installation price

Having a new conventional boiler installed can change in price significantly dependant on what system you currently have in place and loads of other factors. The best way to determine the cost of installation is by having a surveyor visit your home as it’s impossible to provide you with a price without asking a lot of technical questions.

Here are just a few of the factors that determine how much your installation could cost:

• There may be extra parts that are required as part of the installation which will bring up the overall price, there could also be building work.

• Some regular boilers can be easier to install than others.

• Installation price can also be determined by where you live, as the location may have a high demand and installers may be limited.

• If you’re planning on chaning where your boiler is located or any of the tanks, then it will usually cost you more.

• If the swap is a like for like heat-only boiler swap, then it should be a lot cheaper due to the other elements like the water tanks which are required.

What Heat-only boiler do I need?

Regular boilers are typically for larger homes, but can also be supplied and fitted in smaller homes. The most important thing to look at when looking for a new boiler for your house is the kW output which determines the ability the boiler has to cope with the demand for hot water. The main factor that determines the kW output you require is the number of bathrooms & radiators.

We have put together a small guide of what kW output you may require based on the size of your property:

1-2 bedroom3-4 bedroom4+ bedrooms
10 radiators15 radiators20 radiators
1 bathroom1-2 bathrooms2+ bathrooms

(This information has been supplied by Help-Link UK limited and has been produced for information purposes only and should not be used or relied upon as a substitute for professional advice by a suitably qualified engineer.)

* Prices correct as of 3rd September 2018 from the list of suppliers