New Boilers
Read the latest new boiler reviews and information. Compare new boilers and find out everything you need to know to make the right choice.
Below are a range of condensing and combi boilers to meet most needs and budgets. If you want to buy a Baxi, Vaillant, British Gas (Scottish Gas) or
any other popular brand we have reviews of all the best models.
When you are planning on spending a lot of money on something which is integral to your day-to-day life, it’s important to understand as much as you can without having to read masses hard to digest information. Lots of sites provide reviews of new boilers and heating systems, but it’s not exactly an everyday subject. Our reviews are as jargon free as possible, but just in case you’re not sure, we’ve taken the liberty of providing a brief outline of some of the terms you’ll come across in some of our new boiler reviews. We find this is the best way to ensure that you know exactly what you’re buying and why.
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BRITISH GAS 330 HE |
Review | £POA | BUY | 5.0 | 5.0 | 5.0 | 5.0 | 4.5 | 5.0 |
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BRITISH GAS 532 Combi |
Review | £POA | BUY | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 4 |
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BAXI Duo-tec Combi 28 HE |
Review | £808 | BUY | 5.0 | 5.0 | 5.0 | 4.5 | 4.5 | 5.0 |
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BAXI Duo-tec Combi HE A |
Review | £POA | BUY | 5.0 | 5.0 | 5.0 | 4.5 | 4.5 | 5.0 |
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VAILLANT ecoTEC plus 630 |
Review | £951 | BUY | 4.5 | 5.0 | 5.0 | 5.0 | 4.5 | 5.0 |
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VAILLANT ecoTEC plus 824 |
Review | £823 | BUY | 4.5 | 5.0 | 5.0 | 5.0 | 4.5 | 5.0 |
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GLOW-WORM Ultrapower sxi   |
Review | £1700 | BUY | 3.0 | 5.0 | 4.5 | 4.0 | 5.0 | 5.0 |
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GLOW-WORM Ultracom hxi |
Review | £700 | BUY | 3.0 | 5.0 | 4.5 | 4.0 | 5.0 | 5.0 |
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GLOW-WORM Ultracom sxi |
Review | £700 | BUY | 3.0 | 5.0 | 4.5 | 4.0 | 5.0 | 5.0 |
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GLOW-WORM Flexicom sx |
Review | £700 | BUY | 3.0 | 5.0 | 4.5 | 4.0 | 5.0 | 5.0 |
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POTTERTON Gold C24 HE  |
Review | £755 | BUY | 5.0 | 5.0 | 5.0 | 4.0 | 4.5 | 5.0 |
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VAILLANT ecoTEC plus 831 |
Review | £912 | BUY | 4.0 | 5.0 | 5.0 | 4.5 | 4.5 | 5.0 |
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VAILLANT ecoTEC pro 28 |
Review | £744 | BUY | 4.5 | 5.0 | 4.5 | 4.0 | 4.5 | 5.0 |
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BG POTTERTON Promax 15/2 HE+ |
Review | £673 | BUY | 3.0 | 5.0 | 5.0 | 4.0 | 5.0 | 5.0 |
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POTTERTON Promax 30 HE+ |
Review | £794 | BUY | 3.0 | 5.0 | 5.0 | 4.0 | 5.0 | 5.0 |
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GLOW-WORM 30hxi |
Review | £676 | BUY | 3.0 | 5.0 | 4.5 | 4.0 | 5.0 | 5.0 |
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POTTERTON Promax Combi 28 HE+ |
Review | £765 | BUY | 4.0 | 5.0 | 5.0 | 4.0 | 3.5 | 5.0 |
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SAUNIER DUVAL Xeon Cond F30E |
Review | £980 | BUY | 4.0 | 4.0 | 4.0 | 4.5 | 5.0 | 5.0 |
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VAILLANT ecoTEC plus 428 |
Review | £736 | BUY | 4.0 | 5.0 | 4.0 | 3.5 | 5.0 | 5.0 |
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GLOW-WORM 24cxi |
Review | £657 | BUY | 4.0 | 5.0 | 5.0 | 3.5 | 3.5 | 5.0 |
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IDEAL Icos HE 30 |
Review | £755 | BUY | 4.0 | 4.0 | 4.0 | 4.0 | 5.0 | 5.0 |
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Ariston CLAS HE Combi |
Review | £748 | BUY | 4.0 | 5.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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Ariston GENUS HE 24 Combi |
Review | £748 | BUY | 4.0 | 5.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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Ariston CLAS HE System |
Review | £748 | BUY | 4.0 | 5.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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BAXI Bermuda BBU HE |
Review | £1255 | BUY | 3.0 | 5.0 | 4.0 | 4.0 | 3.0 | 5.0 |
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BAXI Megaflow System HE A |
Review | £730 | BUY | 3.0 | 5.0 | 4.0 | 4.0 | 3.0 | 5.0 |
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BAXI Solo 24 HE |
Review | £748 | BUY | 3.0 | 4.0 | 5.0 | 3.5 | 5.0 | 5.0 |
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SAUNIER DUVAL Thema Cond F24E |
Review | £800 | BUY | 3.0 | 5.0 | 5.0 | 5.0 | 3.5 | 4.0 |
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WORCESTER Greenstar 30 Si |
Review | £943 | BUY | 4.0 | 5.0 | 4.5 | 4.0 | 4.0 | 4.0 |
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BUDERUS 500 System |
Review | £825 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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BUDERUS 600/28C |
Review | £986 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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BUDERUS 600/24R |
Review | £800 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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BUDERUS 800 System |
Review | £1230 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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HALSTEAD Ace HE 30 |
Review | £653 | BUY | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 5.0 |
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WORCESTER 24Ri |
Review | £738 | BUY | 3.0 | 4.5 | 4.5 | 3.0 | 5.0 | 5.0 |
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WORCESTER Greenstar 30CDi |
Review | £804 | BUY | 5.0 | 4.0 | 3.0 | 4.0 | 4.0 | 5.0 |
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WORCESTER Greenstar 30CDi Conv |
Review | £776 | BUY | 3.0 | 4.0 | 5.0 | 4.0 | 4.0 | 5.0 |
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GLOW-WORM Flexicom 30cx |
Review | £728 | BUY | 3.0 | 5.0 | 4.5 | 4.0 | 4.0 | 4.0 |
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BG WORCESTER 28i HE Combi |
Review | £POA | BUY | 3.0 | 4.0 | 4.0 | 4.0 | 4.0 | 5.0 |
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ALPHA CD13R |
Review | £660 | BUY | 4.0 | 5.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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ALPHA CD18R |
Review | £700 | BUY | 4.0 | 5.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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ALPHA CD24R |
Review | £770 | BUY | 4.0 | 5.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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ALPHA CD12S |
Review | £775 | BUY | 4.0 | 5.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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ALPHA CD20S |
Review | £745 | BUY | 4.0 | 5.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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ALPHA CD28S |
Review | £825 | BUY | 4.0 | 5.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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BAXI Platinum C28 HE |
Review | £939 | BUY | 3.0 | 5.0 | 4.0 | 4.0 | 3.0 | 5.0 |
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Ferroli Econcept 50 |
Review | £1150 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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Ferroli maXima 35s |
Review | £1100 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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Ferroli Optimax 25 OV |
Review | £680 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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Ferroli Optimax HE 18 OV |
Review | £939 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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Ferroli Optimax HE 18S |
Review | £625 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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Ferroli Optimax HE 25S |
Review | £775 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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Ferroli Optimax HE 31S |
Review | £850 | BUY | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
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GLOW-WORM Flexicom 24hx |
Review | £638 | BUY | 3.0 | 5.0 | 3.5 | 3.5 | 4.5 | 4.5 |
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WORCESTER Greenstar 24i Jr |
Review | £703 | BUY | 3.0 | 4.0 | 4.0 | 4.0 | 4.0 | 5.0 |
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ALPHA CD28C |
Review | £865 | BUY | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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ALPHA CD28X |
Review | £715 | BUY | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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ALPHA CD25X |
Review | £637 | BUY | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 3.0 |
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BAXI Combi Instant 80 HE |
Review | £649 | BUY | 4.0 | 5.0 | 5.0 | 3.0 | 3.0 | 3.0 |
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GLOW-WORM Ultracom 30 cxi |
Review | £734 | BUY | 4.0 | 4.0 | 3.0 | 4.0 | 4.0 | 4.0 |
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POTTERTON Performa 30HE |
Review | £647 | BUY | 4.0 | 4.0 | 4.0 | 3.0 | 3.0 | 5.0 |
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POTTERTON Promax 30 SL |
Review | £748 | BUY | 3.0 | 4.0 | 4.0 | 3.0 | 5.0 | 4.0 |
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IDEAL Mini HE C24 |
Review | £624 | BUY | 3.0 | 4.0 | 4.0 | 3.0 | 3.0 | 3.0 |
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SAUNIER DUVAL Semia Cond F30E |
Review | £660 | BUY | 5.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 |
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IDEAL Isar HE 30 |
Review | £873 | BUY | 3.0 | 3.0 | 3.0 | 2.0 | 4.0 | 4.0 |
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RAVENHEAT CSI 85 AT |
Review | £654 | BUY | 4.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 |
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IDEAL Excel HE C28 |
Review | £765 | BUY | 3.5 | 3.5 | 3.5 | 2.5 | 2.5 | 2.5 |
New Boiler Reviews
A big consideration when purchasing a new boiler is what size does it have to be and where will it be installed. They come in all different shapes and sizes and they also deliver heat and hot water differently which can have an impact. Combi boilers are great for small homes or flats; they are compact and heat water directly from the mains delivering heat and hot water almost immediately. They aren’t however great for large hot water requirements.
For that system or sealed system boilers are usually used. They are often bigger use an expansion tank and storage cylinder, which are installed in the loft or a big airing cupboard. System boilers are more suitable for homes that use a lot of hot water. Then you have wall or floor mounted, depending on which position is most convenient and on top that you have various weights and dimensions to consider.
If you haven’t already grab a tape measure and do a bit of reconnaissance work to establish what kind of heating system you currently have, where it is positioned and how big it is.
A pre-plumbing jig actually makes the installation process simpler and allows the system to be easily flushed protecting the boiler from any sediment. For on-going maintenance the jig also makes servicing easy too. So look out for models which have this feature because it could save time and money.
When you read our reviews you will see the word “output” manufacturers often create a range of boilers to meet various heat and hot water needs. The higher the output the more heat and hot water it can produce. If you are unsure there are plenty of good output calculators and SEDBUK (Seasonal Efficiency of Domestic Boilers in the UK) has one of their own. However, to give you an idea an average combination boiler with a 29kW output can deliver 12.5 litres/minute of hot water at 35°C.
The SEDBUK efficiency bands range from G which is below 70% efficiency to A which is above 90%. The higher the efficiency the less energy your boiler wastes, it’s as simple as that. The above information should give you a good overview of what you should be looking out for when buying a new boiler.
Are you looking for a new boiler? View our complete list of best boiler manufacturers, including British Gas, Baxi, Worcester, Glow Worm, Vaillant and Potterton. The above table compares the latest models and brands on the market in an easy to understand table. BUYability uses a variety of product features to rate new boilers such as, price, efficiency, installation and emissions which are all important factors to consider when choosing what’s right for your needs. Once you have seen a new boiler which fits your budget and overall specification you can go on to read our easy to understand jargon free review for more information.
Once again when reviewing new boilers there are several things you need to consider. The size of the boiler may not be suitable for your home. Always take measurements or consult a qualified Gas Safe engineer before buying. Some boilers are more efficient than others look at there power consumption and efficiency and compare units.
Prices shown represent the lowest (approximate) base unit price for each boiler obtained from various online retail sources inclusive of VAT but excluding installation. British Gas boilers are normally quoted individually inclusive of installation so they are marked £POA (Price On Application).
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