Best Boiler for a 3-Bed House: Sizes and Types

In virtually all cases, the best boiler for a 3-bed house will be a combi boiler. Having one of those as the main component of your home’s central heating system will ensure a good balance between power, saving space, and convenience.

Of course, you can always consider other boiler types, but combi boilers are the most common and effective solution for houses with up to 3 bedrooms and 1-2 bathrooms. Whichever boiler type you choose, you’ll also need to consider the different sizes and models available. So, what is the best boiler for a 3-bed house? You will find the answer in this article.

Has this left you wondering what boiler size you need for a 3-bed house? To simplify the often time-consuming task of finding reputable boiler professionals who can give you expert advice on this, here at GreenMatch we can connect you with up to 3 certified local boiler installers by simply completing our short 30-second online form.

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The best boiler for a 3-bedroom house will have an output between 18kW and 34kW. Homes with a single bathroom can utilise a combi boiler of 28-34kW. While those with 2 bathrooms will require a system boiler with 18-26kW.

The best boiler for a 3-bedroom house will need to be powerful enough to meet your home’s heating and hot water demands. This means that if you choose either a combi, system boiler or regular boiler, it must have an adequate output size (measured in kilowatts, kW).

If the output size is too low, the boiler will struggle to run your central heating radiators, and the hot water delivered to your showers and taps might not be hot enough. On the other hand, if it is excessively high, you would pay considerably more for your boiler. Therefore, you might unnecessarily spend a lot of money on energy bills, making it no longer the best boiler for a 3-bed house you could find.

Also, the best boiler for a 3-bed 2-bathroom house will need to be more powerful than models designed to supply hot water for just 1 bathroom.

You can watch our short video below to find out how to calculate the right boiler size for a 3-bed house:

What measurement a boiler ought to be will rely on the variety of radiators inside a 3-bedroom home quite than the variety of bedrooms. In any case, there may be multiple proper reply to the query of what number of kilowatts (kW) a boiler ought to be to fulfill the heating and sizzling water demand of a 3-bed home.

One efficient methodology to deal with the query “How many kW does a boiler for a 3-bedroom home want?” is to estimate round 2kW for every radiator in your residence. For instance, a house with 6 radiators would require a boiler with a central heating (CH) output of roughly 12kW.

Additionally, it’s essential to take into account that combi boilers must be extra highly effective than system and common boilers to realize the identical outcome as a result of they don’t retailer sizzling water for home use. Rather, they warmth it and provide it to your sizzling water shops on demand. This is why combi’s technical specs additionally point out home sizzling water (DHW) output. 

You can verify the desk under to get an concept of what number of kW a boiler ought to be for a 3-bedroom home. It can also be useful if you wish to evaluate a combi boiler vs system boiler or a combi vs a daily boiler.

Whilst all the following pointers and estimates can level you towards the proper measurement, the one method to discover out precisely what’s the most applicable boiler measurement on your 3-bed home is to get professional recommendation from knowledgeable installer. However, discovering the proper installer may take hours of your effort and time in case you decide to do the analysis by your self.

Fortunately, there’s a neater method. We might help you with this by rapidly connecting you with as much as 3 certified installers in your native space hassle-free. You can then evaluate their quotes and select one of the best worth. Click the button under to get your free, non-binding quotes

Generally speaking, a combi boiler with a CH output rating of around 18kW is powerful enough for a 3-bedroom home. Similarly, a 13kW system or regular boiler can comfortably heat this type of property.

Regarding your home’s domestic hot water needs, a combi boiler needs a DHW output of around 40kW to meet the demand of a 3-bedroom house that also has 2 bathrooms. If the property has only 1 bathroom, then a lower DHW would be sufficient.

 On the other hand, system and regular boilers need a separate hot water storage cylinder as they don’t provide hot water on demand. Check the table below for estimated cylinder sizes.

Even though system and regular boilers are suitable options, combis are generally best suited for 3-bedroom houses. As they don’t need external components (e.g. hot water storage cylinders and feed tanks), they can help you save a lot of space around your home. Nevertheless, we recommend a system boiler if your house has more than 2 bathrooms.

After reviewing dozens of models, we created a list of the best boilers for 3-bedroom houses. Below, you will find our 3 top picks for each boiler type. We considered high-quality units manufactured by the most reputable boiler manufacturers in the UK.

Worcester Bosch Greenstar 8000 Lifestyle 30kW combi

These are two premium boiler models: Life and Style. They share all the main features, but the Style model is available in high gloss black or white. It is also more expensive. 

These boilers certainly are among the best combi boilers for a 3-bed house. They include wireless connectivity with the Bosch EasyControl. They are also ready to run on a 20% hydrogen blend. Optionally, you can equip them with an Intelligent Filling System. 

Vaillant is among the main boiler producers and an important choice to think about for a 3-bedroom home, boasting a excessive effectivity and central heating (CH) output. Moreover, you’ll be able to belief the reliability of this mannequin as Vaillant gives as much as a 10-year guarantee. Below we have now compiled its primary options:

Viessmann Vitodens 100-W 26kw combi

The Vitodens 100-W is an environment friendly, compact, and quiet combi boiler appropriate for smaller, well-insulated houses. It can also be suitable with a 20% hydrogen mix and comes with good expertise that may assist you to save on power prices. 

Our number of one of the best system boiler for a 3-bedroom home contains the next: 

Viessmann Vitodens 200-W 11kW system

The Vitodens 200-W is a robust fuel condensing boiler. It is suitable with a 20% hydrogen mix and options quiet operation due to its low fan velocity. Additionally, it contains an built-in WiFi interface for web connection and a brand new environmentally accountable MatriX-Plus burner.

Worcester Bosch Greenstar 8000 Lifestyle 30kW system

As within the case of the combi boiler variant, the Greenstar 8000 Lifestyle 30kW system line has two premium boiler fashions: Life and Style. They have the identical advantages and particular options as Greenstar 8000 Lifestyle combis, however, as system boilers, they want storage cylinders to provide sizzling water to your faucets and showers.

Ideal Vogue Max system boilers are made with premium parts and have a high-quality Ideal System Filter, enhancing effectivity.

Whilst common boilers are technically a sound choice for a 3-bed dwelling, we suggest putting in a brand new common boiler provided that you have already got one in every of these put in at dwelling. 

They are extra space-consuming than system boilers and rather more than combis. On the opposite hand, a like-for-like common boiler swap is normally cheaper than altering to a special kind of boiler.

Worcester Bosch Greenstar 8000 Life 30kW common

The Greenstar 8000 Life 30kW common boiler is a extremely dependable condensing common fuel boiler. Besides that includes a contemporary design, its primary unit was designed for compact wall-mounted set up.

This is a high-performance boiler that includes glorious management and effectivity. The primary unit is compact sufficient to slot in a kitchen cabinet. It is suitable with good controls and smartphone apps akin to Vaillant’s vSMART. 

Ideal Logic Max common boilers embody a high-quality Ideal System Filter, enhancing effectivity, and are manufactured within the UK by a British firm, making them extra available.

If you aren’t prepared but to modify however nonetheless wish to make a distinction for the surroundings, take into account putting in a extremely environment friendly boiler.

New boiler prices for a 3-bed home is perhaps excessive too; nevertheless, by changing an previous fuel boiler with a brand new A-rated combi boiler for instance, you could possibly save as much as £385 yearly in your power payments for a semi-detached home. It is essential to notice that financial savings will rely on numerous elements, akin to the present power costs and the dimensions and thermal efficiency of your private home.

Are you able to embark on the journey in the direction of elevated power effectivity, sustainability and annual financial savings in your power payments? Luckily, GreenMatch is right here to assist by sparing you from the ache of spending hours of your time looking for vetted native boiler installers. 

Instead of evaluating and calling installers one after the other, select the simple method and reap the benefits of our free and non-binding service by clicking on the button under. Complete our quick 30-second type, and we’ll join you with as much as 3 native skilled boiler installers.