Compare the Cheapest Combi Boilers and Prices

Summary of the cheapest combi boiler prices
Price range = £100 to £1,010
Average cost = £750
Best/cheapest price = £100 (second hand)

Related Guides: Combi Boiler Prices, New Boiler Cost Guide

Combi boilers are great for small properties because all their components are condensed into a single neat, compact unit. Combi boilers are still a relatively new option, so you might find that purchasing a brand new model can be more expensive than installing a traditional system boiler.  However, you can look into getting the cheapest combi boiler possible simply by expanding your horizons and looking beyond the usual retailers.

The cheapest combi boilers

  • Second-hand combi boilers – on seller sites such as eBay and PreLoved you can usually find a good combi boiler for somewhere between £100 and £400 – that’s less than half what you would pay when purchasing a new unit from most retailers
  • Recently reconditioned / refurbished combi boilers – users on similar sites also showcase recently reconditioned (akin to a full service) combi boilers from around £600 to £900 – still a fair mark off full price models
  • Ex-showroom combi boilers – these can be purchased from many retailers and/or manufacturers for around £450 to £750 and at least come with the comforting knowledge that they are unlikely to have been used for more than thirty to fifty hours

Direct from the manufacturer

If you are a little worried about purchasing a second-hand boiler and would rather spend on the safe side, you can sometimes find great deals and extremely cheap combi boiler prices by avoiding the retailers altogether and going straight to the manufacturer. We compared three of the leading combi boiler brands to see who provides the cheapest prices when you go direct to the guys who make them:

  • Baxi – £650 to £900
  • Worcester Bosch – £730 to £1,010

Remember, anything over £1,000 and you may be able to find a brand new model for a similar or even cheaper price. Second-hand units may not be the most efficient or trustworthy models to opt for, but looking around for the cheapest combi boiler prices you can find might still pay off in the long run.

*Sources: eBay, PreLoved, Baxi, Vaillant, Worcester Bosch. All information is accurate as of January 2012

kirit says:

looling for new combi boiler from direct to manufacture cheapest price model vailent eco teck plus around 100000 btu. thanks kirit soni my contect no mob. 07753573850

ravinder pal says:

i likev new combi boiler supply and fit give me price break down

ablyth says:

Hi Ravi,

To get free quotes for combi boiler supply and installation in your local area, please fill in this form and one of our boiler professionals will contact you.

Roy says:

Looking for a new combi boiler to be installed in Byfleet, Surrey. Need an all inclusive quote. Currently have a potetron combi boiler works fine, but its time to change.


ablyth says:

Hi Roy, to get quotes for your new boiler installation from engineers in Surrey, please fill in this form and a qualified engineer will get back to you as soon as possible.

Lalitha says:


My ancient Worcester looks like it has finally packed in. I would like to find out the cost of a new cheap combi boiler and installation in the LS23 area.


mjackson says:

Hi Lalitha,

Thanks for your post.

Please feel free to fill in our online request form and we will aim to match you with up to 4 local contractors who will call you in order to arrange a convenient time for them to visit you and provide you with a free quote.

We also have a cost guide should you wish to get an idea of price without having to speak to a contractor.

We hope this helps.


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