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Gas Combi Boiler Prices 2020

This extensive guide on gas combi boiler prices, system boiler prices and back boiler conversion prices is updated regularly with pricing so that you have up to date information on the latest gas boiler prices. This guide will help you with new boiler replacement costs and prices this year.

When you need a new boiler installing, the actual boiler itself is usually only around half the price of what you are paying, sometimes even less depending on the amount of work you are having done. Hopefully, with these guide combi boiler prices, we can shed some light on the price you to have to pay for a brand new boiler installed in your property.

Remember, every home is different so what you pay may be slightly different from your next-door neighbour. The price of your gas combi boiler may differ from anyone else due to each home being unique.

Combi boiler prices and installation rates

There are many boiler manufacturers out there wanting you to buy one of their combi boilers and have varying prices. It can be quite confusing as they all vary in price, size, shape & look. You shouldn’t just buy the first boiler you see.

Definitely shop around! There is tons of information on every boiler on the internet. In this new boiler price and cost guide, we hope to help you choose the right boiler for your home within your budget. Everyone’s budget and needs are different.

It’s like buying a car, do you really need that Ferrari to go to the shops? It would probably be nice, but, if you apply some logic and make an informed decision, you can always get the right boiler at the right price for you. You can pay monthly for a new boiler if you can’t afford the full amount.

Click Here and get a boiler with 0% interest over 2 years

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Click on a manufacturer logo below to view their combi boiler prices:

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Boiler Prices Compare Boiler Quotes
Boiler Prices Compare Boiler Quotes
Boiler Prices Compare Boiler Quotes
Boiler Prices Compare Boiler Quotes
Boiler Prices Compare Boiler Quotes
Boiler Prices Compare Boiler Quotes
Boiler Prices Compare Boiler Quotes

Combi boiler prices overview

Combi boiler prices vary significantly depending on the type of home and any extras that are required to fit the new boiler. If it is a simple combi boiler replacement then the price would be less than that of a system to combi conversion, for example.

This guide gives you clear prices for combi boilers and how much you can expect to pay for your new gas boiler installation. The costs show average prices for the boiler, installation rates and other prices associated.

If you have any questions on the prices of combi boilers then please contact us.

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Combi boiler prices for homes with 1-2 bedrooms

Below are the average prices for combi boilers for homes with 1-2 bedrooms. Generally, these sized homes have a lot of lower hot water demand than a home with more rooms. It will have fewer radiators so the boiler won’t have to work as hard to pump the water around the system and keep the temperature at the chosen setting.

Buying the right sized boiler for a home with 1-2 bedrooms is crucial in ensuring that you don’t spend more money than necessary on your boiler and keeps running costs down by being more economical.

Below is a list of lower output boilers and their prices. We have ordered them in the lowest output to the highest output but you can arrange by boiler price if you require. All of the below combi boiler prices are recommended for homes with 1 to 2 bedrooms.

Boiler BrandBoiler ModelOutputBoiler TypeEfficiency RatingBoiler Price
IdealLogic ESP 1 24 kWCombi BoilerA Rated£745
IdealLogic Max 24 kWCombi BoilerA Rated£880
IdealLogic+ 24 kWCombi BoilerA Rated£880
IdealVogue26 kWCombi BoilerA Rated£950
IdealLogic Code ES 26 kWCombi BoilerA Rated£1,005
IdealVogue Max26 kWCombi BoilerA Rated£1,119
IdealIndependent30 kWCombi BoilerA Rated£710
IdealLogic ESP1 30 kWCombi BoilerA Rated£835
IdealLogic Max30 kWCombi BoilerA Rated£969
IdealLogic+30 kWCombi BoilerA Rated£979
Baxi100 LPG 24 kWCombi BoilerA Rated£605
Baxi40024 kWCombi BoilerA Rated£621
Baxi20024 kWCombi BoilerA Rated£633
Baxi10024 kWCombi BoilerA Rated£689
Baxi60024 kWCombi BoilerA Rated£711
BaxiNeta-tec Plus Combi GA24 kWCombi BoilerA Rated£829
BaxiEcoBlue + 24 kWCombi BoilerA Rated£835
BaxiPlatinum HE A24 kWCombi BoilerA Rated£888
BaxiEcoBlue Advance 24 kWCombi BoilerA Rated£905
Baxi40028 kWCombi BoilerA Rated£693
Baxi20028 kWCombi BoilerA Rated£703
Baxi10028 kWCombi BoilerA Rated£737
Baxi400 LPG 28 kWCombi BoilerA Rated£738
Baxi100 LPG28 kWCombi BoilerA Rated£789
BaxiNeta-tec Combi GA28 kWCombi BoilerA Rated£819
BaxiDuo-tec GA28 kWCombi BoilerA Rated£875
BaxiEcoblue + 28 kWCombi BoilerA Rated£936
BaxiNeta-tec Plus GA28 kWCombi BoilerA Rated£939
BaxiPlatinum HE A28 kWCombi BoilerA Rated£949
BaxiEcoBlue Advance28 kWCombi BoilerA Rated£955
Baxi60030 kWCombi BoilerA Rated£856
ViessmannVitodens 222-F19 kWCombi BoilerA Rated£2479
ViessmannVitodens 242-F19 kWCombi BoilerA Rated£5990
ViessmannVitodens 100-W26 kWCombi BoilerA Rated£850
ViessmannVitodens 200-W26 kWCombi BoilerA Rated£1157
ViessmannVitodens 111-W26 kWCombi BoilerA Rated£1520
ViessmannVitodens 222-F 26 kWCombi BoilerA Rated£2519
ViessmannVitodens 242-F26 kWCombi BoilerA Rated£6189
ViessmannVitodens 050-W 29 kWCombi BoilerA Rated£860
ViessmannVitodens 100-W30 kWCombi BoilerA Rated£1049
ViessmannVitodens 200-W30 kWCombi BoilerA Rated£1226
Worcester BoschGreenstar Heatslave II 18 kWCombi BoilerA Rated£2210
Worcester BoschGreenstar Heatslave II External 18 kWCombi BoilerA Rated£2450
Worcester BoschGreenstar Junior 24i24 kWCombi BoilerA Rated£770
Worcester BoschGreenstar 25Si25 kWCombi BoilerA Rated£853
Worcester BoschGreenstar Heatslave II 25 kWCombi BoilerA Rated£2450
Worcester BoschGreenstar Heatslave II External 25 kWCombi BoilerA Rated£2560
Worcester BoschGreenstar Junior 28i28 kWCombi BoilerA Rated£859
Worcester BoschGreenstar 28CDi Compact28 kWCombi BoilerA Rated£978
Worcester BoschGreenstar 29CDi Classic29 kWCombi BoilerA Rated£1020
Worcester BoschGreenstar Highflow 440CDi29 kWCombi BoilerA Rated£1714
Worcester Boschgreenstar Highflow 29CDi29 kWCombi BoilerA Rated£2005
Worcester BoschGreenstar 30Si30 kWCombi BoilerA Rated£955
Worcester BoschGreenstar Highflow 550CDi30 kWCombi BoilerA Rated£2035
Worcester Boschgreenstar Highflow 30CDi30 kWCombi BoilerA Rated£2450
Worcester BoschGreenstar 8000 Life30 kWCombi BoilerA rated£1,190
Worcester BoschGreenstar 8000 Life35 kWCombi BoilerA rated£1,360
Worcester BoschGreenstar 8000 Style30 kWCombi BoilerA rated£1,320
Worcester BoschGreenstar 8000 Style35 kWCombi BoilerA rated£1,400

Combi boiler prices for homes with 3 - 5 bedrooms

Here you will find the prices for combi boilers for homes that have 3-5 bedrooms. If you have one of these sized homes, then you will require a more powerful boiler. This is to ensure that the water reaches every radiator and tap at the correct heat and can cope with the demand. Your new boiler should not struggle to keep your home warm.

See the list of guide prices for combi boilers over 30kw. These combi boilers are easily powerful enough for homes with 3-5 bedrooms. If you have a home with this many rooms and hot water demand is higher, and you have multiple bathrooms or extra shower rooms that run off the mains, you may want to consider a system boiler or a regular boiler.

The price list of combi boilers is sorted in output order, lowest first. All of the below combi boiler prices are recommended for homes with 3 to 5 bedrooms.

Boiler BrandBoiler ModelOutputBoiler typeEfficiency RatingBoiler Price
IdealVogue Max32 kWCombi BoilerA Rated£1,234
IdealVogue32 kW Combi Boiler A Rated£1,060
IdealLogic Cod ES 33 kWCombi BoilerA Rated£1,310
IdealIndependent35 kWCombi BoilerA Rated£775
IdealLogic ESP1 35 kWCombi BoilerA Rated£945
IdealLogic+ 35 kWCombi BoilerA Rated£1,021
IdealLogic Max35 kWCombi BoilerA Rated£1,079
BaxiNeta-tec GA33 kWCombi BoilerA Rated£859
BaxiDuo-tec HE A33 kWCombi BoilerA Rated£903
BaxiDuo-Tec GA33 kWCombi BoilerA Rated£968
BaxiEcoblue +33 kWCombi BoilerA Rated£,1010
BaxiNeta-tec Plus GA33 kWCombi BoilerA Rated£1,036
BaxiPlatinum HE A33 kWCombi BoilerA Rated£1,050
BaxiEcoBlue Advance33 kWCombi BoilerA Rated£1,055
ViessmannVitodens 050-W 35 kWCombi BoilerA Rated£865
ViessmannVitodens 100-W35 kWCombi BoilerA Rated£1,108
ViessmannVitodens 200-W35 kWCombi BoilerA Rated£1,299
ViessmannVitodens 111-W35 kWCombi BoilerA Rated£1,635
ViessmannVitodens 222-F35 kWCombi BoilerA Rated£2,610
Worcester BoschGreenstar 32CDi Compact32 kWCombi BoilerA Rated£1,089
Worcester BoschGreenstar Heatslave II 32 kWCombi BoilerA Rated£2,510
Worcester BoschGreenstar Heatslave II External 32 kWCombi BoilerA Rated£2760
Worcester BoschGreenstar 34CDi Classic34 kWCombi BoilerA Rated£1069
Worcester BoschGreenstar 36CDi Compact36 kWCombi BoilerA Rated£1209
Worcester BoschGreenstar 8000 Life35 kWCombi BoilerA Rated£1,320
Worcester BoschGreenstar 8000 Style35 kWCombi BoilerA Rated£1,400
Viessmann Vitodens 050 29KW Combi Boiler
If you already have a combi boiler and you are looking to just replace the one you have where it is currently installed at a great price then this Viessmann is for you.


  • Boiler & Installation Price
  • Must already have a combi Boiler
  • Must be staying in the same place
  • Ideal for smaller homes
  • up to 3 bedrooms
  • 1 Bathroom
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Viessmann Vitodens 100 35kw Combi Boiler
If you have a system boiler but want a combi boiler instead so you can get rid of your tank, AND have your boiler in a different place. This Viessmann Combi is for you


  • Boiler & Installation Price
  • Convert to a combi boiler
  • Moving your boiler
  • Ideal for larger homes
  • up to 4 bedrooms
  • 2 Bathrooms
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Worcester Bosch Greenstar 25i
Want a Worcester Bosch combi boiler? Keeping it in the same place? Then check out this fantastic price including installation of a brand new Worcester Bosch combi


  • Boiler & Installation Price
  • Must already have a combi Boiler
  • Must be staying in the same place
  • Ideal for smaller homes
  • up to 3 bedrooms
  • 1 Bathroom
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Combi boiler installation prices

Another factor that can affect new boiler prices is where they are being installed. If you are simply swapping your old boiler for a new one, and it is staying in the same place, this will help to keep installation costs down.

If you fancy a move or are required to move your boiler then you can pretty much guarantee the price will be at least £200 more.

How much it will cost will depend on which room you are planning on moving your new boiler to, or how far away from your old one. It will all depend on the amount of work involved and materials involved in the move. So if you are moving quite far, expect to pay more for the pipes extending just to start with.

If you are moving to a room that doesn’t have an outside wall or into the loft or attic, then you may need a vertical flue. This will be an extra added cost also. The extra piping and the extra work involved will be where the price will add up.

You are looking at around £200 for this extra work. Some boilers have to be fitted to an outside wall so always check with your engineer before you start. Most are capable of using a vertical flue but some aren’t so this is something to take into consideration if you find yourself in this situation.

How much will it cost to move my gas combi boiler?

See the below table for the extra costs involved in moving your boiler. It shows the guide price for a standard ‘swap’, which is basically a quick half day job removing one type of boiler and replacing with the same type in the same place. It also shows this type of boiler install and the cost of relocating your boiler under 5 metres away from where it is currently, and the price of moving it over 5 metres away. The further you move your boiler the higher the cost.

What Type of Combi Boiler You Currently Have Will Affect The Installation Price

The type of boiler that is already in your house can be the main cost factor depending on the type of new boiler you want to have installed. If you have a gas combi boiler and you just want to swap it for another gas combi boiler you are going to save yourself a lot of money.

This is called a combi swap. This is basically the easiest boiler install for any heating engineers. If you currently have a system boiler, one with a tank, and just want another system boiler to replace it then this will also save costs too!

On the other hand, if you fancy a change, say from a system boiler to a combi boiler, this involves a lot more work. View the cost of new combi boilers if this is what you a looking for next. This is called a conversion. Hence, this will incur extra costs. If you are wanting to change to a combi then you are looking at at least £300 extra on top to do the conversion. This will involve changing all the pipework and possible removing any tanks that you currently have.

Examples of costs for swapping or converting your current boiler

If you’re looking at moving your boiler and ‘converting’ to another type then as you can see your costs will be greatly increased. This may be a larger initial outlay but if it means saving you money in the long run by having a more economical boiler it may be worth it.

If you have s system boiler for example and you think your property could run on a combi (get some expert advice if needed) then converting may be for you.

A lot of combi boilers these days can do the job of a system boiler at a much more economical price. And they usually cost less and take up less room!

Viessmann Vitodens 111-W
Super powerful combi storage boiler for demanding households. The benefits of system boiler without a tank. A superb boiler worth every penny.


  • Boiler & Installation Price
  • Must already have a combi boiler
  • Must be staying in the same place
  • Ideal for family homes with high demand
  • 4+ Bedrooms
  • 2+ Bathrooms/ Shower rooms
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Viessmann Vitodens 100-W 26kw System Boiler
If you have a system boiler (one with a tank) and want another system boiler then look no further than the Viessmann 100-W System


  • Boiler & Installation Price
  • Straight system boiler swap
  • Your boiler is staying in the same place
  • Ideal for larger homes
  • up to 4 bedrooms
  • 2 Bathrooms
Get This Price
Worcester Bosch Greenstar 8000 Life
Brand new top of the range Worcester Bosch system boiler. The pinnacle of current boiler engineering and heating technologies.


  • Boiler & Installation Price
  • Must have a system boiler already
  • Must be staying in the same place
  • Ideal for larger family homes
  • 4+ bedrooms
  • 2+ Bathrooms / Shower rooms
Get This Price
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Gas combi boiler prices and costs

The price of installing a new combi boiler can vary from company to company. This is due to different companies charging different prices for labour, parts and other costs that aren’t part of the initial boiler price. There is no hard a fast cost for any of the parts or boiler service so here we look at a guide for different size homes to help you out.


Lower Budget Boiler Installation Prices Guide

House with 4 Bedrooms and 1 Bathroom  – £2,500 – £4,500

House with 2 Bedrooms and 1 Bathroom – £1,700 – £3,000

This is a guide price for the installation of a cheaper brand new combi boiler including parts, labour and a basic radiator in each room. The end price will all depend on the radiators you choose, the cost of labour (expect around £200 per day) and parts required. Some houses will be easier to install a new boiler in so it will take less time to fit meaning lower prices.

You can check all this before you go ahead as any good boiler company will layout to you what needs to be done and be able to go through it step by step. You should always get more that one quote from several boiler companies to ensure that you get the best price for your new boiler. Installing a new boiler isn’t cheap, but you want to ensure that you get the best deal and best service from any boiler company.

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A guide to top boiler companies & their boiler prices

If your looking for a new boiler and you have managed to narrow down which manufacturer or manufacturers you are leaning towards then you will obviously want to know how much each boiler is going to set you back. If your pocket is going to take a decent hit, you want to make sure you are getting the best value. Buying a boiler that lasts is easy enough, there are plenty out there, is just making sure that you get your monies worth.

Do you really need to spend an extra grand on a boiler that looks good but performs pretty much the same? Not really but each to their own. Anyway, here is a guide to some of the top boiler companies you will no doubt come across on your boiler buying journey.

Viessmann Boiler Prices

Check out the prices for this exceptional German boiler manufacturer. The Vitodens Range is a brilliant choice of boiler for any home.

Worcester Bosch Boiler Prices

UK wide renowned boiler manufacturer with their market-leading Greenstar Boilers. Worcester Bosch will have a perfect boiler for your home.

Vaillant Boiler Prices

Hand made boilers perfect for any UK Home. Ultra-reliable boilers for your peace of mind. See the range now.

Baxi Boiler Prices

British made Baxi boilers are a great cost-effective choice for your home without compromise. Check out their fantastic range now.

Ideal Boiler Prices

Ideal in every sense of the word. Great boilers at great prices for any UK home. Find one here.

Vokera Boiler Prices

Fantastic low-cost boilers. Check out these boilers if you’re on a tight budget. Find your boiler now.

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Need prices for a new gas combi boiler installation?

If you think choosing a boiler is a minefield, then you may now how the added problem of choosing the right person or company to come and put it on your wall. The boiler installation price is probably going to cost you more than your actual boiler, but in most cases, it is more than acceptable.

Installing a boiler is a big and complicated job, not to mention dangerous due to gas and electricity being involved. This means you need to make sure you choose the right people to do the job. Make sure you check previous work from reviews and do your research.

This extra work beforehand will pay dividends in the long run and save you having any problems or issues in the future. Always use a Gas Safe registered engineer. Most large boiler companies will not employ anyone who isn’t but it doesn’t harm to check.

Which boiler installation company has the best prices…

When taking into consideration new boiler prices, getting a cheap combi boiler isn’t always the best way to go. There are many boiler companies out there but buying the right one can make the difference. This is even more apparent when choosing boilers on finance. A lot of boiler companies nowadays offer great new boiler finance deals.

These companies let you spread the cost of your new boiler by paying monthly. This can sometimes mean your boiler can cost a little more due to low-interest rates, but it also means you can buy a better boiler.

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Should you get a fixed online price for your boiler installation??

If you have been looking at replacing your boiler, you may have come across some installation companies that offer fixed online prices. These are relatively new in the world of boiler installation but they are definitely the way that everything is going.

We imagine that in about 5 years time, most boilers will be ordered and booked in for installation totally online. It just works and it keeps boiler prices low due to not having to pay salespeople their commission and other costs.

Fast & free combi boiler prices

If you choose to use an online buying service then you will see just how efficient and cost-effective it will be, rather than spending time on the phone or booking time off work to wait for an engineer to come round at an inconvenient time.

You can choose any gas boiler price you like, and you will get a range of choices suitable for you home starting with a budget option, right up to the top of the range expensive one. All in all the service will not of the cost you any more than what it would have done if you had used a ‘real person’.

All prices quoted are a guide price. Prices are constantly changing so ensure that you check before you buy. Also these prices do not include installation. If you want to check how much installation will cost, either have a quick read of our information above or contact us now for a quick free quote.

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Boiler Prices Compare Boiler Quotes

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